HEADER    MEMBRANE PROTEIN                        03-OCT-98   1BXW               
TITLE     OUTER MEMBRANE PROTEIN A (OMPA) TRANSMEMBRANE DOMAIN                   
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: PROTEIN (OUTER MEMBRANE PROTEIN A);                         
COMPND   3 CHAIN: A;                                                             
COMPND   4 FRAGMENT: TRANSMEMBRANE DOMAIN;                                       
COMPND   5 ENGINEERED: YES;                                                      
COMPND   6 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI BL21(DE3);                      
SOURCE   3 ORGANISM_TAXID: 469008;                                               
SOURCE   4 STRAIN: BL21DE3;                                                      
SOURCE   5 GENE: OMPA;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                        
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 469008;                                      
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21DE3;                                    
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET3B-171                                  
KEYWDS    OUTER MEMBRANE, TRANSMEMBRANE PROTEIN, MEMBRANE PROTEIN                
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    G.E.SCHULZ,A.PAUTSCH                                                   
REVDAT   6   15-FEB-23 1BXW    1       REMARK SEQADV LINK                        
REVDAT   5   14-MAR-18 1BXW    1       SEQADV                                    
REVDAT   4   29-NOV-17 1BXW    1       REMARK                                    
REVDAT   3   24-FEB-09 1BXW    1       VERSN                                     
REVDAT   2   22-DEC-99 1BXW    4       HEADER COMPND REMARK JRNL                 
REVDAT   2 2                   4       ATOM   SOURCE SEQRES                      
REVDAT   1   14-OCT-98 1BXW    0                                                 
JRNL        AUTH   A.PAUTSCH,G.E.SCHULZ                                          
JRNL        TITL   STRUCTURE OF THE OUTER MEMBRANE PROTEIN A TRANSMEMBRANE       
JRNL        TITL 2 DOMAIN.                                                       
JRNL        REF    NAT.STRUCT.BIOL.              V.   5  1013 1998               
JRNL        REFN                   ISSN 1072-8368                                
JRNL        PMID   9808047                                                       
JRNL        DOI    10.1038/2983                                                  
REMARK   2                                                                       
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                        
REMARK   3                                                                       
REMARK   3 REFINEMENT.                                                           
REMARK   3   PROGRAM     : REFMAC                                                
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,               
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                              
REMARK   3                                                                       
REMARK   3  DATA USED IN REFINEMENT.                                             
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                            
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 50.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 89.0                            
REMARK   3   NUMBER OF REFLECTIONS             : 8328                            
REMARK   3                                                                       
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                      
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                       
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                           
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                             
REMARK   3   R VALUE            (WORKING SET) : 0.189                            
REMARK   3   FREE R VALUE                     : 0.235                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 404                              
REMARK   3                                                                       
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                     
REMARK   3   PROTEIN ATOMS            : 1330                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                        
REMARK   3   HETEROGEN ATOMS          : 21                                       
REMARK   3   SOLVENT ATOMS            : 39                                       
REMARK   3                                                                       
REMARK   3  B VALUES.                                                            
REMARK   3   FROM WILSON PLOT           (A**2) : 49.20                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 60.40                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                        
REMARK   3    B11 (A**2) : NULL                                                  
REMARK   3    B22 (A**2) : NULL                                                  
REMARK   3    B33 (A**2) : NULL                                                  
REMARK   3    B12 (A**2) : NULL                                                  
REMARK   3    B13 (A**2) : NULL                                                  
REMARK   3    B23 (A**2) : NULL                                                  
REMARK   3                                                                       
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                  
REMARK   3   ESU BASED ON R VALUE                            (A): NULL           
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL           
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL           
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.640          
REMARK   3                                                                       
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                    
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA                
REMARK   3    BOND LENGTH                     (A) : 0.015 ; NULL                 
REMARK   3    ANGLE DISTANCE                  (A) : 0.030 ; NULL                 
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                 
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                 
REMARK   3                                                                       
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                 
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                 
REMARK   3                                                                       
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                      
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                 
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                 
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                 
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                 
REMARK   3                                                                       
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                            
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                 
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                 
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                 
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                 
REMARK   3                                                                       
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                 
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                  
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                  
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                  
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                  
REMARK   3                                                                       
REMARK   3  OTHER REFINEMENT REMARKS:                                            
REMARK   3  DISORDERED REGIONS ARE FROM GLY22-GLY28, GLY65-GLU68 AND             
REMARK   3   ILE147-PRO147 WERE MODELED STEREOCHEMICALLY                         
REMARK   4                                                                       
REMARK   4 1BXW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                          
REMARK 100                                                                       
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB.                                
REMARK 100 THE DEPOSITION ID IS D_1000008140.                                    
REMARK 200                                                                       
REMARK 200 EXPERIMENTAL DETAILS                                                  
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                   
REMARK 200  DATE OF DATA COLLECTION        : 15-JAN-98                           
REMARK 200  TEMPERATURE           (KELVIN) : 298                                 
REMARK 200  PH                             : 5.0                                 
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                   
REMARK 200                                                                       
REMARK 200  SYNCHROTRON              (Y/N) : N                                   
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                      
REMARK 200  BEAMLINE                       : NULL                                
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                        
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                   
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                              
REMARK 200  MONOCHROMATOR                  : NI FILTER                           
REMARK 200  OPTICS                         : NULL                                
REMARK 200                                                                       
REMARK 200  DETECTOR TYPE                  : AREA DETECTOR                       
REMARK 200  DETECTOR MANUFACTURER          : SIEMENS                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                 
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                        
REMARK 200                                                                       
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 8328                                
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                                
REMARK 200                                                                       
REMARK 200 OVERALL.                                                              
REMARK 200  COMPLETENESS FOR RANGE     (%) : 89.0                                
REMARK 200  DATA REDUNDANCY                : 2.100                               
REMARK 200  R MERGE                    (I) : NULL                                
REMARK 200  R SYM                      (I) : 0.02800                             
REMARK 200   FOR THE DATA SET  : 16.8000                             
REMARK 200                                                                       
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                      
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.64                      
REMARK 200  COMPLETENESS FOR SHELL     (%) : 53.0                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.20                                
REMARK 200  R MERGE FOR SHELL          (I) : NULL                                
REMARK 200  R SYM FOR SHELL            (I) : 0.11000                             
REMARK 200   FOR SHELL         : 6.600                               
REMARK 200                                                                       
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                               
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS                         
REMARK 200 SOFTWARE USED: SHARP                                                  
REMARK 200 STARTING MODEL: NULL                                                  
REMARK 200                                                                       
REMARK 200 REMARK: NULL                                                          
REMARK 280                                                                       
REMARK 280 CRYSTAL                                                               
REMARK 280 SOLVENT CONTENT, VS   (%): 66.70                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.70                      
REMARK 280                                                                       
REMARK 280 CRYSTALLIZATION CONDITIONS: 10 % PEG-8000 10 % MPD 0.05 M             
REMARK 280  POTASSIUM PHOSPHATE PH 5.0                                           
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                             
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                           
REMARK 290                                                                       
REMARK 290      SYMOP   SYMMETRY                                                 
REMARK 290     NNNMMM   OPERATOR                                                 
REMARK 290       1555   X,Y,Z                                                    
REMARK 290       2555   -X,Y,-Z                                                  
REMARK 290       3555   X+1/2,Y+1/2,Z                                            
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                          
REMARK 290                                                                       
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                      
REMARK 290           MMM -> TRANSLATION VECTOR                                   
REMARK 290                                                                       
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                             
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM              
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                 
REMARK 290 RELATED MOLECULES.                                                    
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000             
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000             
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000             
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       34.59000             
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.97500             
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000             
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       34.59000             
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       38.97500             
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000             
REMARK 290                                                                       
REMARK 290 REMARK: NULL                                                          
REMARK 300                                                                       
REMARK 300 BIOMOLECULE: 1                                                        
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                 
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                   
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON                
REMARK 300 BURIED SURFACE AREA.                                                  
REMARK 350                                                                       
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN            
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                 
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS           
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                           
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                                
REMARK 350                                                                       
REMARK 350 BIOMOLECULE: 1                                                        
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                          
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                      
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000             
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000             
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000             
REMARK 470                                                                       
REMARK 470 MISSING ATOM                                                          
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;            
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;           
REMARK 470 I=INSERTION CODE):                                                    
REMARK 470   M RES CSSEQI  ATOMS                                                 
REMARK 470     HIS A  31    CG   ND1  CD2  CE1  NE2                              
REMARK 475                                                                       
REMARK 475 ZERO OCCUPANCY RESIDUES                                               
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.              
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                 
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                       
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)           
REMARK 475   M RES C  SSEQI                                                      
REMARK 475     GLY A    22                                                       
REMARK 475     LEU A    23                                                       
REMARK 475     ILE A    24                                                       
REMARK 475     ASN A    25                                                       
REMARK 475     ASN A    26                                                       
REMARK 475     ASN A    27                                                       
REMARK 475     GLY A    28                                                       
REMARK 475     GLY A    65                                                       
REMARK 475     SER A    66                                                       
REMARK 475     VAL A    67                                                       
REMARK 475     GLU A    68                                                       
REMARK 475     ILE A   147                                                       
REMARK 475     GLY A   148                                                       
REMARK 475     ASP A   149                                                       
REMARK 475     ALA A   150                                                       
REMARK 475     HIS A   151                                                       
REMARK 475     THR A   152                                                       
REMARK 475     ILE A   153                                                       
REMARK 475     GLY A   154                                                       
REMARK 475     THR A   155                                                       
REMARK 475     ARG A   156                                                       
REMARK 475     PRO A   157                                                       
REMARK 480                                                                       
REMARK 480 ZERO OCCUPANCY ATOM                                                   
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                   
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                 
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;               
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):          
REMARK 480   M RES C SSEQI ATOMS                                                 
REMARK 480     LYS A   64   CB   CG   CD   CE   NZ                               
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                              
REMARK 500                                                                       
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC              
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15           
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A            
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375              
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE                
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.             
REMARK 500                                                                       
REMARK 500 DISTANCE CUTOFF:                                                      
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS               
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                   
REMARK 500                                                                       
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE           
REMARK 500   OD1  ASN A    26     CA   PRO A    29     2556     1.44             
REMARK 500   OD1  ASN A    26     C    PRO A    29     2556     1.68             
REMARK 500   OD1  ASN A    26     N    PRO A    29     2556     1.72             
REMARK 500   OD1  ASN A     5     CD1  ILE A   147     2657     2.03             
REMARK 500   OD1  ASN A    26     O    PRO A    29     2556     2.08             
REMARK 500   CG   ASN A    26     N    PRO A    29     2556     2.11             
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                       
REMARK 500                                                                       
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES               
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE                
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN                
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                  
REMARK 500                                                                       
REMARK 500 STANDARD TABLE:                                                       
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)                
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                         
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                      
REMARK 500                                                                       
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                      
REMARK 500    GLY A  28   C     PRO A  29   N       0.125                        
REMARK 500    GLY A 148   N     GLY A 148   CA      0.090                        
REMARK 500    ARG A 156   CA    ARG A 156   C       0.206                        
REMARK 500    PRO A 157   N     PRO A 157   CA     -0.251                        
REMARK 500    PRO A 157   CD    PRO A 157   N      -0.368                        
REMARK 500    PRO A 157   CA    PRO A 157   C      -0.164                        
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                        
REMARK 500                                                                       
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES               
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE                
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN                
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                  
REMARK 500                                                                       
REMARK 500 STANDARD TABLE:                                                       
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)               
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                         
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                      
REMARK 500                                                                       
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                      
REMARK 500    ASP A   4   CA  -  C   -  N   ANGL. DEV. =  18.3 DEGREES           
REMARK 500    GLY A  22   O   -  C   -  N   ANGL. DEV. =  11.3 DEGREES           
REMARK 500    ASN A  25   C   -  N   -  CA  ANGL. DEV. = -16.5 DEGREES           
REMARK 500    ASN A  25   CA  -  C   -  N   ANGL. DEV. = -14.2 DEGREES           
REMARK 500    ASN A  25   O   -  C   -  N   ANGL. DEV. =  14.8 DEGREES           
REMARK 500    GLY A  28   O   -  C   -  N   ANGL. DEV. = -11.6 DEGREES           
REMARK 500    PRO A  29   C   -  N   -  CA  ANGL. DEV. =  17.4 DEGREES           
REMARK 500    PRO A  29   C   -  N   -  CD  ANGL. DEV. = -18.1 DEGREES           
REMARK 500    ARG A  60   CD  -  NE  -  CZ  ANGL. DEV. =   9.8 DEGREES           
REMARK 500    ARG A  60   NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES           
REMARK 500    ARG A  60   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES           
REMARK 500    GLU A  68   C   -  N   -  CA  ANGL. DEV. = -16.3 DEGREES           
REMARK 500    GLN A  75   CB  -  CA  -  C   ANGL. DEV. =  13.1 DEGREES           
REMARK 500    ASP A  90   CB  -  CG  -  OD1 ANGL. DEV. =   5.7 DEGREES           
REMARK 500    SER A 120   N   -  CA  -  CB  ANGL. DEV. =  -9.2 DEGREES           
REMARK 500    VAL A 122   CB  -  CA  -  C   ANGL. DEV. = -12.2 DEGREES           
REMARK 500    ILE A 135   CA  -  CB  -  CG2 ANGL. DEV. =  15.6 DEGREES           
REMARK 500    ARG A 138   CA  -  CB  -  CG  ANGL. DEV. =  14.8 DEGREES           
REMARK 500    ARG A 138   CD  -  NE  -  CZ  ANGL. DEV. =  10.7 DEGREES           
REMARK 500    ARG A 138   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES           
REMARK 500    ALA A 150   CA  -  C   -  N   ANGL. DEV. = -16.2 DEGREES           
REMARK 500    ALA A 150   O   -  C   -  N   ANGL. DEV. =  17.6 DEGREES           
REMARK 500    HIS A 151   CB  -  CA  -  C   ANGL. DEV. = -38.2 DEGREES           
REMARK 500    HIS A 151   CA  -  C   -  N   ANGL. DEV. = -38.2 DEGREES           
REMARK 500    HIS A 151   O   -  C   -  N   ANGL. DEV. =  43.4 DEGREES           
REMARK 500    THR A 152   C   -  N   -  CA  ANGL. DEV. =  30.0 DEGREES           
REMARK 500    THR A 155   O   -  C   -  N   ANGL. DEV. = -14.6 DEGREES           
REMARK 500    ARG A 156   C   -  N   -  CA  ANGL. DEV. = -16.4 DEGREES           
REMARK 500    ARG A 156   CB  -  CA  -  C   ANGL. DEV. =  12.4 DEGREES           
REMARK 500    ARG A 156   N   -  CA  -  CB  ANGL. DEV. = -15.9 DEGREES           
REMARK 500    ARG A 156   NH1 -  CZ  -  NH2 ANGL. DEV. =  -6.6 DEGREES           
REMARK 500    ARG A 156   NE  -  CZ  -  NH2 ANGL. DEV. =   3.7 DEGREES           
REMARK 500    PRO A 157   C   -  N   -  CA  ANGL. DEV. = -16.9 DEGREES           
REMARK 500    PRO A 157   C   -  N   -  CD  ANGL. DEV. = -16.7 DEGREES           
REMARK 500    PRO A 157   CA  -  N   -  CD  ANGL. DEV. = -25.9 DEGREES           
REMARK 500    PRO A 157   N   -  CA  -  CB  ANGL. DEV. = -26.1 DEGREES           
REMARK 500    PRO A 157   CB  -  CG  -  CD  ANGL. DEV. = -25.7 DEGREES           
REMARK 500    PRO A 157   N   -  CD  -  CG  ANGL. DEV. = -34.0 DEGREES           
REMARK 500    PRO A 157   N   -  CA  -  C   ANGL. DEV. =  19.1 DEGREES           
REMARK 500    PRO A 157   CA  -  C   -  O   ANGL. DEV. = -17.2 DEGREES           
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: TORSION ANGLES                                              
REMARK 500                                                                       
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:             
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;                
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                              
REMARK 500                                                                       
REMARK 500 STANDARD TABLE:                                                       
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                     
REMARK 500                                                                       
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-            
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400             
REMARK 500                                                                       
REMARK 500  M RES CSSEQI        PSI       PHI                                    
REMARK 500    ASN A   5       57.62   -113.00                                    
REMARK 500    TYR A  18      120.18    166.90                                    
REMARK 500    ASP A  20     -140.62   -156.38                                    
REMARK 500    LEU A  23      150.39     68.74                                    
REMARK 500    ASN A  25      -90.55     -9.26                                    
REMARK 500    ASN A  26      121.49    -29.94                                    
REMARK 500    HIS A  31      175.58    173.40                                    
REMARK 500    TYR A  63      102.76   -169.58                                    
REMARK 500    SER A  66       52.30    128.49                                    
REMARK 500    VAL A  67       90.53     49.93                                    
REMARK 500    VAL A 110      -72.06    -67.54                                    
REMARK 500    ALA A 150     -164.72    173.09                                    
REMARK 500    HIS A 151      -97.21     35.47                                    
REMARK 500    THR A 152     -139.61   -128.76                                    
REMARK 500    THR A 155     -137.22   -149.83                                    
REMARK 500    ARG A 156     -162.43   -178.66                                    
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                          
REMARK 500                                                                       
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH           
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED            
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND                
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                   
REMARK 500                                 MODEL     OMEGA                       
REMARK 500 ARG A  156     PRO A  157                 -147.47                     
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 500                                                                       
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                          
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                        
REMARK 500                                                                       
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                        
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                  
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                             
REMARK 500 I=INSERTION CODE).                                                    
REMARK 500                                                                       
REMARK 500  M RES CSSEQI        ANGLE                                            
REMARK 500    ARG A 156        -11.76                                            
REMARK 500                                                                       
REMARK 500 REMARK: NULL                                                          
REMARK 800                                                                       
REMARK 800 SITE                                                                  
REMARK 800 SITE_IDENTIFIER: AC1                                                  
REMARK 800 EVIDENCE_CODE: SOFTWARE                                               
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C8E A 172                  
DBREF  1BXW A    0   171  UNP    P0A910   OMPA_ECOLI      21    192              
SEQADV 1BXW MET A    0  UNP  P0A910    ALA    21 SEE REMARK 999                  
SEQADV 1BXW LEU A   23  UNP  P0A910    PHE    44 ENGINEERED MUTATION             
SEQADV 1BXW LYS A   34  UNP  P0A910    GLN    55 ENGINEERED MUTATION             
SEQADV 1BXW TYR A  107  UNP  P0A910    LYS   128 ENGINEERED MUTATION             
SEQRES   1 A  172  MET ALA PRO LYS ASP ASN THR TRP TYR THR GLY ALA LYS           
SEQRES   2 A  172  LEU GLY TRP SER GLN TYR HIS ASP THR GLY LEU ILE ASN           
SEQRES   3 A  172  ASN ASN GLY PRO THR HIS GLU ASN LYS LEU GLY ALA GLY           
SEQRES   4 A  172  ALA PHE GLY GLY TYR GLN VAL ASN PRO TYR VAL GLY PHE           
SEQRES   5 A  172  GLU MET GLY TYR ASP TRP LEU GLY ARG MET PRO TYR LYS           
SEQRES   6 A  172  GLY SER VAL GLU ASN GLY ALA TYR LYS ALA GLN GLY VAL           
SEQRES   7 A  172  GLN LEU THR ALA LYS LEU GLY TYR PRO ILE THR ASP ASP           
SEQRES   8 A  172  LEU ASP ILE TYR THR ARG LEU GLY GLY MET VAL TRP ARG           
SEQRES   9 A  172  ALA ASP THR TYR SER ASN VAL TYR GLY LYS ASN HIS ASP           
SEQRES  10 A  172  THR GLY VAL SER PRO VAL PHE ALA GLY GLY VAL GLU TYR           
SEQRES  11 A  172  ALA ILE THR PRO GLU ILE ALA THR ARG LEU GLU TYR GLN           
SEQRES  12 A  172  TRP THR ASN ASN ILE GLY ASP ALA HIS THR ILE GLY THR           
SEQRES  13 A  172  ARG PRO ASP ASN GLY MET LEU SER LEU GLY VAL SER TYR           
SEQRES  14 A  172  ARG PHE GLY                                                   
HET    C8E  A 172      21                                                        
HETNAM     C8E (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE                              
FORMUL   2  C8E    C16 H34 O5                                                    
FORMUL   3  HOH   *39(H2 O)                                                      
SHEET    1  S1 1 THR A   6  SER A  16  0                                         
SHEET    1  S2 1 LYS A  34  VAL A  45  0                                         
SHEET    1  S3 1 VAL A  49  ARG A  60  0                                         
SHEET    1  S4 1 TYR A  72  PRO A  86  0                                         
SHEET    1  S5 1 LEU A  91  THR A 106  0                                         
SHEET    1  S6 1 ASN A 114  ALA A 130  0                                         
SHEET    1  S7 1 ILE A 135  TRP A 143  0                                         
SHEET    1  S8 1 MET A 161  PHE A 170  0                                         
SITE     1 AC1  4 TYR A  43  PHE A  51  LEU A  79  GLY A  99                     
CRYST1   69.180   77.950   50.930  90.00  91.52  90.00 C 1 2 1       4           
ORIGX1      1.000000  0.000000  0.000000        0.00000                          
ORIGX2      0.000000  1.000000  0.000000        0.00000                          
ORIGX3      0.000000  0.000000  1.000000        0.00000                          
SCALE1      0.014455  0.000000  0.000383        0.00000                          
SCALE2      0.000000  0.012829  0.000000        0.00000                          
SCALE3      0.000000  0.000000  0.019642        0.00000                          
END