AS2TS intermediate model information! 

MOLECULE  1i1a_C  
HEADER    IMMUNE SYSTEM                           31-JAN-01   1I1A               
TITLE     CRYSTAL STRUCTURE OF THE NEONATAL FC RECEPTOR COMPLEXED WITH A         
TITLE    2 HETERODIMERIC FC                                                      
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: NEONATAL FC RECEPTOR A;                                     
COMPND   3 CHAIN: A;                                                             
COMPND   4 FRAGMENT: EXTRACELLULAR DOMAIN;                                       
COMPND   5 SYNONYM: IGG RECEPTOR FCRN LARGE SUBUNIT P51, FCRN;                   
COMPND   6 ENGINEERED: YES;                                                      
COMPND   7 MOL_ID: 2;                                                            
COMPND   8 MOLECULE: BETA-2-MICROGLOBULIN;                                       
COMPND   9 CHAIN: B;                                                             
COMPND  10 FRAGMENT: FC FRAGMENT;                                                
COMPND  11 SYNONYM: HDFC;                                                        
COMPND  12 ENGINEERED: YES;                                                      
COMPND  13 MOL_ID: 3;                                                            
COMPND  14 MOLECULE: IG GAMMA-2A CHAIN C REGION;                                 
COMPND  15 CHAIN: C;                                                             
COMPND  16 FRAGMENT: WILD-TYPE FC FRAGMENT;                                      
COMPND  17 SYNONYM: WTFC;                                                        
COMPND  18 ENGINEERED: YES;                                                      
COMPND  19 MOL_ID: 4;                                                            
COMPND  20 MOLECULE: IG GAMMA-2A CHAIN C REGION;                                 
COMPND  21 CHAIN: D;                                                             
COMPND  22 FRAGMENT: NON-FCRN-BINDING FC FRAGMENT;                               
COMPND  23 SYNONYM: NBFC;                                                        
COMPND  24 ENGINEERED: YES;                                                      
COMPND  25 MUTATION: YES                                                         
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                               
SOURCE   3 ORGANISM_COMMON: NORWAY RAT;                                          
SOURCE   4 ORGANISM_TAXID: 10116;                                                
SOURCE   5 EXPRESSION_SYSTEM: CRICETULUS GRISEUS;                                
SOURCE   6 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 10029;                                       
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: CHO-K1;                                     
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PBJ-5GS;                                   
SOURCE  11 MOL_ID: 2;                                                            
SOURCE  12 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                               
SOURCE  13 ORGANISM_COMMON: NORWAY RAT;                                          
SOURCE  14 ORGANISM_TAXID: 10116;                                                
SOURCE  15 EXPRESSION_SYSTEM: CRICETULUS GRISEUS;                                
SOURCE  16 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER;                            
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 10029;                                       
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: CHO-K1;                                     
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: PBJ-5GS;                                   
SOURCE  21 MOL_ID: 3;                                                            
SOURCE  22 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                               
SOURCE  23 ORGANISM_COMMON: NORWAY RAT;                                          
SOURCE  24 ORGANISM_TAXID: 10116;                                                
SOURCE  25 EXPRESSION_SYSTEM: CRICETULUS GRISEUS;                                
SOURCE  26 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER;                            
SOURCE  27 EXPRESSION_SYSTEM_TAXID: 10029;                                       
SOURCE  28 EXPRESSION_SYSTEM_STRAIN: CHO-K1;                                     
SOURCE  29 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE  30 EXPRESSION_SYSTEM_PLASMID: PBJ-5GS;                                   
SOURCE  31 MOL_ID: 4;                                                            
SOURCE  32 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS;                               
SOURCE  33 ORGANISM_COMMON: NORWAY RAT;                                          
SOURCE  34 ORGANISM_TAXID: 10116;                                                
SOURCE  35 EXPRESSION_SYSTEM: CRICETULUS GRISEUS;                                
SOURCE  36 EXPRESSION_SYSTEM_COMMON: CHINESE HAMSTER;                            
SOURCE  37 EXPRESSION_SYSTEM_TAXID: 10029;                                       
SOURCE  38 EXPRESSION_SYSTEM_STRAIN: CHO-K1;                                     
SOURCE  39 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE  40 EXPRESSION_SYSTEM_PLASMID: PBJ-5GS                                    
KEYWDS    MHC CLASS I FOLD, IG CONSTANT DOMAINS, IMMUNE SYSTEM                   
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    W.L.MARTIN,A.P.WEST JR.,L.GAN,P.J.BJORKMAN                             
REVDAT   8   13-DEC-23 1I1A    1       SSBOND LINK                               
REVDAT   7   27-OCT-21 1I1A    1       REMARK SEQADV HETSYN                      
REVDAT   6   29-JUL-20 1I1A    1       CAVEAT COMPND REMARK SEQADV               
REVDAT   6 2                   1       HETNAM LINK   SITE   ATOM                 
REVDAT   5   25-SEP-13 1I1A    1       REMARK                                    
REVDAT   4   13-JUL-11 1I1A    1       VERSN                                     
REVDAT   3   24-FEB-09 1I1A    1       VERSN                                     
REVDAT   2   09-MAY-01 1I1A    1       JRNL                                      
REVDAT   1   14-FEB-01 1I1A    0                                                 
JRNL        AUTH   W.L.MARTIN,A.P.WEST JR.,L.GAN,P.J.BJORKMAN                    
JRNL        TITL   CRYSTAL STRUCTURE AT 2.8 A OF AN FCRN/HETERODIMERIC FC        
JRNL        TITL 2 COMPLEX: MECHANISM OF PH-DEPENDENT BINDING.                   
JRNL        REF    MOL.CELL                      V.   7   867 2001               
JRNL        REFN                   ISSN 1097-2765                                
JRNL        PMID   11336709                                                      
JRNL        DOI    10.1016/S1097-2765(01)00230-1                                 
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                        
DBREF  1I1A A    1   269  UNP    P13599   FCGN_RAT        23    291              
DBREF  1I1A B    1    99  UNP    P07151   B2MG_RAT        21    119              
DBREF  1I1A C  223   447  UNP    P20760   GCA_RAT         98    322              
DBREF  1I1A D  223   447  UNP    P20760   GCA_RAT         98    322              
SEQRES   1 A  269  ALA GLU PRO ARG LEU PRO LEU MET TYR HIS LEU ALA ALA           
SEQRES   2 A  269  VAL SER ASP LEU SER THR GLY LEU PRO SER PHE TRP ALA           
SEQRES   3 A  269  THR GLY TRP LEU GLY ALA GLN GLN TYR LEU THR TYR ASN           
SEQRES   4 A  269  ASN LEU ARG GLN GLU ALA ASP PRO CYS GLY ALA TRP ILE           
SEQRES   5 A  269  TRP GLU ASN GLN VAL SER TRP TYR TRP GLU LYS GLU THR           
SEQRES   6 A  269  THR ASP LEU LYS SER LYS GLU GLN LEU PHE LEU GLU ALA           
SEQRES   7 A  269  ILE ARG THR LEU GLU ASN GLN ILE ASN GLY THR PHE THR           
SEQRES   8 A  269  LEU GLN GLY LEU LEU GLY CYS GLU LEU ALA PRO ASP ASN           
SEQRES   9 A  269  SER SER LEU PRO THR ALA VAL PHE ALA LEU ASN GLY GLU           
SEQRES  10 A  269  GLU PHE MET ARG PHE ASN PRO ARG THR GLY ASN TRP SER           
SEQRES  11 A  269  GLY GLU TRP PRO GLU THR ASP ILE VAL GLY ASN LEU TRP           
SEQRES  12 A  269  MET LYS GLN PRO GLU ALA ALA ARG LYS GLU SER GLU PHE           
SEQRES  13 A  269  LEU LEU THR SER CYS PRO GLU ARG LEU LEU GLY HIS LEU           
SEQRES  14 A  269  GLU ARG GLY ARG GLN ASN LEU GLU TRP LYS GLU PRO PRO           
SEQRES  15 A  269  SER MET ARG LEU LYS ALA ARG PRO GLY ASN SER GLY SER           
SEQRES  16 A  269  SER VAL LEU THR CYS ALA ALA PHE SER PHE TYR PRO PRO           
SEQRES  17 A  269  GLU LEU LYS PHE ARG PHE LEU ARG ASN GLY LEU ALA SER           
SEQRES  18 A  269  GLY SER GLY ASN CYS SER THR GLY PRO ASN GLY ASP GLY           
SEQRES  19 A  269  SER PHE HIS ALA TRP SER LEU LEU GLU VAL LYS ARG GLY           
SEQRES  20 A  269  ASP GLU HIS HIS TYR GLN CYS GLN VAL GLU HIS GLU GLY           
SEQRES  21 A  269  LEU ALA GLN PRO LEU THR VAL ASP LEU                           
SEQRES   1 B   99  ILE GLN LYS THR PRO GLN ILE GLN VAL TYR SER ARG HIS           
SEQRES   2 B   99  PRO PRO GLU ASN GLY LYS PRO ASN PHE LEU ASN CYS TYR           
SEQRES   3 B   99  VAL SER GLN PHE HIS PRO PRO GLN ILE GLU ILE GLU LEU           
SEQRES   4 B   99  LEU LYS ASN GLY LYS LYS ILE PRO ASN ILE GLU MET SER           
SEQRES   5 B   99  ASP LEU SER PHE SER LYS ASP TRP SER PHE TYR ILE LEU           
SEQRES   6 B   99  ALA HIS THR GLU PHE THR PRO THR GLU THR ASP VAL TYR           
SEQRES   7 B   99  ALA CYS ARG VAL LYS HIS VAL THR LEU LYS GLU PRO LYS           
SEQRES   8 B   99  THR VAL THR TRP ASP ARG ASP MET                               
SEQRES   1 C  225  VAL PRO ARG GLU CYS ASN PRO CYS GLY CYS THR GLY SER           
SEQRES   2 C  225  GLU VAL SER SER VAL PHE ILE PHE PRO PRO LYS THR LYS           
SEQRES   3 C  225  ASP VAL LEU THR ILE THR LEU THR PRO LYS VAL THR CYS           
SEQRES   4 C  225  VAL VAL VAL ASP ILE SER GLN ASN ASP PRO GLU VAL ARG           
SEQRES   5 C  225  PHE SER TRP PHE ILE ASP ASP VAL GLU VAL HIS THR ALA           
SEQRES   6 C  225  GLN THR HIS ALA PRO GLU LYS GLN SER ASN SER THR LEU           
SEQRES   7 C  225  ARG SER VAL SER GLU LEU PRO ILE VAL HIS ARG ASP TRP           
SEQRES   8 C  225  LEU ASN GLY LYS THR PHE LYS CYS LYS VAL ASN SER GLY           
SEQRES   9 C  225  ALA PHE PRO ALA PRO ILE GLU LYS SER ILE SER LYS PRO           
SEQRES  10 C  225  GLU GLY THR PRO ARG GLY PRO GLN VAL TYR THR MET ALA           
SEQRES  11 C  225  PRO PRO LYS GLU GLU MET THR GLN SER GLN VAL SER ILE           
SEQRES  12 C  225  THR CYS MET VAL LYS GLY PHE TYR PRO PRO ASP ILE TYR           
SEQRES  13 C  225  THR GLU TRP LYS MET ASN GLY GLN PRO GLN GLU ASN TYR           
SEQRES  14 C  225  LYS ASN THR PRO PRO THR MET ASP THR ASP GLY SER TYR           
SEQRES  15 C  225  PHE LEU TYR SER LYS LEU ASN VAL LYS LYS GLU THR TRP           
SEQRES  16 C  225  GLN GLN GLY ASN THR PHE THR CYS SER VAL LEU HIS GLU           
SEQRES  17 C  225  GLY LEU HIS ASN HIS HIS THR GLU LYS SER LEU SER HIS           
SEQRES  18 C  225  SER PRO GLY LYS                                               
SEQRES   1 D  239  VAL PRO ARG GLU CYS ASN PRO CYS GLY CYS THR GLY SER           
SEQRES   2 D  239  GLU VAL SER SER VAL PHE ILE PHE PRO PRO LYS THR LYS           
SEQRES   3 D  239  ASP VAL LEU GLY GLY GLY LEU THR PRO LYS VAL THR CYS           
SEQRES   4 D  239  VAL VAL VAL ASP ILE SER GLN ASN ASP PRO GLU VAL ARG           
SEQRES   5 D  239  PHE SER TRP PHE ILE ASP ASP VAL GLU VAL HIS THR ALA           
SEQRES   6 D  239  GLN THR HIS ALA PRO GLU LYS GLN SER ASN SER THR LEU           
SEQRES   7 D  239  ARG SER VAL SER GLU LEU PRO ILE VAL GLU ARG ASP TRP           
SEQRES   8 D  239  LEU ASN GLY LYS THR PHE LYS CYS LYS VAL ASN SER GLY           
SEQRES   9 D  239  ALA PHE PRO ALA PRO ILE GLU LYS SER ILE SER LYS PRO           
SEQRES  10 D  239  GLU GLY THR PRO ARG GLY PRO GLN VAL TYR THR MET ALA           
SEQRES  11 D  239  PRO PRO LYS GLU GLU MET THR GLN SER GLN VAL SER ILE           
SEQRES  12 D  239  THR CYS MET VAL LYS GLY PHE TYR PRO PRO ASP ILE TYR           
SEQRES  13 D  239  THR GLU TRP LYS MET ASN GLY GLN PRO GLN GLU ASN TYR           
SEQRES  14 D  239  LYS ASN THR PRO PRO THR MET ASP THR ASP GLY SER TYR           
SEQRES  15 D  239  PHE LEU TYR SER LYS LEU ASN VAL LYS LYS GLU THR TRP           
SEQRES  16 D  239  GLN GLN GLY ASN THR PHE THR CYS SER VAL LEU HIS GLU           
SEQRES  17 D  239  GLY LEU GLU ASN GLU HIS THR GLU LYS SER LEU SER HIS           
SEQRES  18 D  239  SER PRO GLY LYS GLY ILE GLU GLY ARG GLY SER SER HIS           
SEQRES  19 D  239  HIS HIS HIS HIS HIS                                           
HET    NAG  E   1      14                                                        
HET    FUC  E   2      10                                                        
HET    NAG  F   1      14                                                        
HET    NAG  F   2      14                                                        
HET    BMA  F   3      11                                                        
HET    MAN  F   4      11                                                        
HET    NDG  F   5      14                                                        
HET    FUC  F   6      10                                                        
HET    NAG  G   1      14                                                        
HET    NAG  G   2      14                                                        
HET    BMA  G   3      11                                                        
HET    MAN  G   4      11                                                        
HET    NAG  G   5      14                                                        
HET    MAN  G   6      11                                                        
HET    NAG  G   7      14                                                        
HET    FUL  G   8      10                                                        
HET    NAG  H   1      14                                                        
HET    NAG  H   2      14                                                        
HET    BMA  H   3      11                                                        
HET    MAN  H   4      11                                                        
HET    NAG  H   5      14                                                        
HET    MAN  H   6      11                                                        
HET    NAG  H   7      14                                                        
HET    FUC  H   8      10                                                        
HET    NAG  A 601      14                                                        
HET    NAG  A 751      14                                                        
HET    CYS  A 901       7                                                        
HET    CYS  A 951       7                                                        
HETNAM     NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE                          
HETNAM     FUC ALPHA-L-FUCOPYRANOSE                                              
HETNAM     BMA BETA-D-MANNOPYRANOSE                                              
HETNAM     MAN ALPHA-D-MANNOPYRANOSE                                             
HETNAM     NDG 2-ACETAMIDO-2-DEOXY-ALPHA-D-GLUCOPYRANOSE                         
HETNAM     FUL BETA-L-FUCOPYRANOSE                                               
HETNAM     CYS CYSTEINE                                                          
HETSYN     NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA-            
HETSYN   2 NAG  D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO-           
HETSYN   3 NAG  2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE                          
HETSYN     FUC ALPHA-L-FUCOSE; 6-DEOXY-ALPHA-L-GALACTOPYRANOSE; L-               
HETSYN   2 FUC  FUCOSE; FUCOSE                                                   
HETSYN     BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE                                
HETSYN     MAN ALPHA-D-MANNOSE; D-MANNOSE; MANNOSE                               
HETSYN     NDG N-ACETYL-ALPHA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-                
HETSYN   2 NDG  ALPHA-D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-               
HETSYN   3 NDG  ACETAMIDO-2-DEOXY-GLUCOSE; 2-(ACETYLAMINO)-2-DEOXY-A-            
HETSYN   4 NDG  D-GLUCOPYRANOSE                                                  
HETSYN     FUL BETA-L-FUCOSE; 6-DEOXY-BETA-L-GALACTOPYRANOSE; L-                 
HETSYN   2 FUL  FUCOSE; FUCOSE; 6-DEOXY-BETA-L-GALACTOSE                         
FORMUL   5  NAG    13(C8 H15 N O6)                                               
FORMUL   5  FUC    3(C6 H12 O5)                                                  
FORMUL   6  BMA    3(C6 H12 O6)                                                  
FORMUL   6  MAN    5(C6 H12 O6)                                                  
FORMUL   6  NDG    C8 H15 N O6                                                   
FORMUL   7  FUL    C6 H12 O5                                                     
FORMUL  11  CYS    2(C3 H7 N O2 S)                                               
FORMUL  13  HOH   *6(H2 O)                                                       
CRYST1   68.358   74.213  196.604  90.00  90.00  90.00 P 21 21 21    4           
END  

FATAL: There is no PDB entry  ( 1i1a_C ) in the database!