AS2TS intermediate model information! 

MOLECULE  2v40_A  
HEADER    LIGASE                                  27-JUN-07   2V40               
TITLE     HUMAN ADENYLOSUCCINATE SYNTHETASE ISOZYME 2 IN COMPLEX WITH GDP        
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: ADENYLOSUCCINATE SYNTHETASE ISOZYME 2;                      
COMPND   3 CHAIN: A;                                                             
COMPND   4 FRAGMENT: RESIDUES 21-456;                                            
COMPND   5 SYNONYM: ADENYLOSUCCINATE SYNTHETASE ACIDIC ISOZYME, IMP-ASPARTATE    
COMPND   6 LIGASE 2, ADSS 2, AMPSASE 2;                                          
COMPND   7 EC: 6.3.4.4;                                                          
COMPND   8 ENGINEERED: YES;                                                      
COMPND   9 OTHER_DETAILS: THE PROTEIN CHAIN CONTAINS A HEXAHISTIDINE TAIL IN THE 
COMPND  10 N-TERMINUS                                                            
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                    
SOURCE   3 ORGANISM_COMMON: HUMAN;                                               
SOURCE   4 ORGANISM_TAXID: 9606;                                                 
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                      
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                  
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PNIC-BSA4                                  
KEYWDS    LIGASE, PURINE BIOSYNTHESIS, ADENYLOSUCCINATE SYNTHETASE, METAL-       
KEYWDS   2 BINDING, PURINE METABOLISM, NUCLEOTIDE-BINDING, GDP, ADSS2,           
KEYWDS   3 MAGNESIUM, GTP-BINDING                                                
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    M.WELIN,M.MOCHE,C.ARROWSMITH,H.BERGLUND,R.BUSAM,R.COLLINS,             
AUTHOR   2 L.G.DAHLGREN,A.EDWARDS,S.FLODIN,A.FLORES,S.GRASLUND,M.HAMMARSTROM,    
AUTHOR   3 B.M.HALLBERG,L.HOLMBERG-SCHIAVONE,I.JOHANSSON,A.KALLAS,T.KARLBERG,    
AUTHOR   4 T.KOTENYOVA,L.LEHTIO,T.NYMAN,D.OGG,C.PERSSON,J.SAGEMARK,P.STENMARK,   
AUTHOR   5 M.SUNDSTROM,A.G.THORSELL,L.TRESAUGUES,S.VAN DEN BERG,J.WEIGELT,       
AUTHOR   6 P.NORDLUND,STRUCTURAL GENOMICS CONSORTIUM (SGC)                       
REVDAT   4   13-DEC-23 2V40    1       REMARK                                    
REVDAT   3   13-DEC-17 2V40    1       JRNL                                      
REVDAT   2   24-FEB-09 2V40    1       VERSN                                     
REVDAT   1   10-JUL-07 2V40    0                                                 
JRNL        AUTH   M.WELIN,M.MOCHE,C.ARROWSMITH,H.BERGLUND,R.BUSAM,R.COLLINS,    
JRNL        AUTH 2 L.G.DAHLGREN,A.EDWARDS,S.FLODIN,A.FLORES,S.GRASLUND,          
JRNL        AUTH 3 M.HAMMARSTROM,B.M.HALLBERG,L.HOLMBERG-SCHIAVONE,I.JOHANSSON,  
JRNL        AUTH 4 A.KALLAS,T.KARLBERG,T.KOTENYOVA,L.LEHTIO,T.NYMAN,D.OGG,       
JRNL        AUTH 5 C.PERSSON,J.SAGEMARK,P.STENMARK,M.SUNDSTROM,A.G.THORSELL,     
JRNL        AUTH 6 S.VAN DEN BERG,J.WEIGELT,P.NORDLUND                           
JRNL        TITL   HUMAN ADENYLOSUCCINATE SYNTHETASE ISOZYME 2 IN COMPLEX WITH   
JRNL        TITL 2 GDP                                                           
JRNL        REF    TO BE PUBLISHED                                               
JRNL        REFN                                                                 
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                        
DBREF  2V40 A   -2    20  PDB    2V40     2V40            -2     20              
DBREF  2V40 A   21   456  UNP    P30520   PURA2_HUMAN     21    456              
SEQRES   1 A  459  MET HIS HIS HIS HIS HIS HIS SER SER GLY VAL ASP LEU           
SEQRES   2 A  459  GLY THR GLU ASN LEU TYR PHE GLN SER MET PRO ARG ALA           
SEQRES   3 A  459  ARG PRO GLY GLY ASN ARG VAL THR VAL VAL LEU GLY ALA           
SEQRES   4 A  459  GLN TRP GLY ASP GLU GLY LYS GLY LYS VAL VAL ASP LEU           
SEQRES   5 A  459  LEU ALA GLN ASP ALA ASP ILE VAL CYS ARG CYS GLN GLY           
SEQRES   6 A  459  GLY ASN ASN ALA GLY HIS THR VAL VAL VAL ASP SER VAL           
SEQRES   7 A  459  GLU TYR ASP PHE HIS LEU LEU PRO SER GLY ILE ILE ASN           
SEQRES   8 A  459  PRO ASN VAL THR ALA PHE ILE GLY ASN GLY VAL VAL ILE           
SEQRES   9 A  459  HIS LEU PRO GLY LEU PHE GLU GLU ALA GLU LYS ASN VAL           
SEQRES  10 A  459  GLN LYS GLY LYS GLY LEU GLU GLY TRP GLU LYS ARG LEU           
SEQRES  11 A  459  ILE ILE SER ASP ARG ALA HIS ILE VAL PHE ASP PHE HIS           
SEQRES  12 A  459  GLN ALA ALA ASP GLY ILE GLN GLU GLN GLN ARG GLN GLU           
SEQRES  13 A  459  GLN ALA GLY LYS ASN LEU GLY THR THR LYS LYS GLY ILE           
SEQRES  14 A  459  GLY PRO VAL TYR SER SER LYS ALA ALA ARG SER GLY LEU           
SEQRES  15 A  459  ARG MET CYS ASP LEU VAL SER ASP PHE ASP GLY PHE SER           
SEQRES  16 A  459  GLU ARG PHE LYS VAL LEU ALA ASN GLN TYR LYS SER ILE           
SEQRES  17 A  459  TYR PRO THR LEU GLU ILE ASP ILE GLU GLY GLU LEU GLN           
SEQRES  18 A  459  LYS LEU LYS GLY TYR MET GLU LYS ILE LYS PRO MET VAL           
SEQRES  19 A  459  ARG ASP GLY VAL TYR PHE LEU TYR GLU ALA LEU HIS GLY           
SEQRES  20 A  459  PRO PRO LYS LYS ILE LEU VAL GLU GLY ALA ASN ALA ALA           
SEQRES  21 A  459  LEU LEU ASP ILE ASP PHE GLY THR TYR PRO PHE VAL THR           
SEQRES  22 A  459  SER SER ASN CYS THR VAL GLY GLY VAL CYS THR GLY LEU           
SEQRES  23 A  459  GLY MET PRO PRO GLN ASN VAL GLY GLU VAL TYR GLY VAL           
SEQRES  24 A  459  VAL LYS ALA TYR THR THR ARG VAL GLY ILE GLY ALA PHE           
SEQRES  25 A  459  PRO THR GLU GLN ASP ASN GLU ILE GLY GLU LEU LEU GLN           
SEQRES  26 A  459  THR ARG GLY ARG GLU PHE GLY VAL THR THR GLY ARG LYS           
SEQRES  27 A  459  ARG ARG CYS GLY TRP LEU ASP LEU VAL LEU LEU LYS TYR           
SEQRES  28 A  459  ALA HIS MET ILE ASN GLY PHE THR ALA LEU ALA LEU THR           
SEQRES  29 A  459  LYS LEU ASP ILE LEU ASP MET PHE THR GLU ILE LYS VAL           
SEQRES  30 A  459  GLY VAL ALA TYR LYS LEU ASP GLY GLU ILE ILE PRO HIS           
SEQRES  31 A  459  ILE PRO ALA ASN GLN GLU VAL LEU ASN LYS VAL GLU VAL           
SEQRES  32 A  459  GLN TYR LYS THR LEU PRO GLY TRP ASN THR ASP ILE SER           
SEQRES  33 A  459  ASN ALA ARG ALA PHE LYS GLU LEU PRO VAL ASN ALA GLN           
SEQRES  34 A  459  ASN TYR VAL ARG PHE ILE GLU ASP GLU LEU GLN ILE PRO           
SEQRES  35 A  459  VAL LYS TRP ILE GLY VAL GLY LYS SER ARG GLU SER MET           
SEQRES  36 A  459  ILE GLN LEU PHE                                               
HET    GDP  A1457      28                                                        
HETNAM     GDP GUANOSINE-5'-DIPHOSPHATE                                          
FORMUL   2  GDP    C10 H15 N5 O11 P2                                             
FORMUL   3  HOH   *538(H2 O)                                                     
CRYST1  155.410  155.410   82.120  90.00  90.00 120.00 P 63 2 2     12           
END  

FATAL: There is no PDB entry  ( 2v40_A ) in the database!