AS2TS intermediate model information! 

MOLECULE  1gqn_A  
HEADER    LYASE                                   26-NOV-01   1GQN               
TITLE     NATIVE 3-DEHYDROQUINASE FROM SALMONELLA TYPHI                          
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: 3-DEHYDROQUINATE DEHYDRATASE;                               
COMPND   3 CHAIN: A;                                                             
COMPND   4 SYNONYM: 3-DEHYDROQUINASE;                                            
COMPND   5 EC: 4.2.1.10;                                                         
COMPND   6 ENGINEERED: YES                                                       
SOURCE    MOL_ID: 1;                                                             
SOURCE   2 ORGANISM_SCIENTIFIC: SALMONELLA TYPHI;                                
SOURCE   3 ORGANISM_TAXID: 601;                                                  
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                  
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                         
SOURCE   6 EXPRESSION_SYSTEM_PLASMID: TRC PROMOTER;                              
SOURCE   7 EXPRESSION_SYSTEM_GENE: AROD                                          
KEYWDS    LYASE, 3-DEHYDROQUINATE DEHYDRATASE, SHIKIMATE PATHWAY, A/B BARREL     
EXPDTA    X-RAY DIFFRACTION                                                      
AUTHOR    W.-H.LEE,L.A.PERLES,R.A.P.NAGEM,I.POLIKARPOV,L.SAWYER                  
REVDAT   5   13-DEC-23 1GQN    1       REMARK                                    
REVDAT   4   24-JUL-19 1GQN    1       REMARK                                    
REVDAT   3   24-FEB-09 1GQN    1       VERSN                                     
REVDAT   2   05-MAY-05 1GQN    1       JRNL                                      
REVDAT   1   20-NOV-03 1GQN    0                                                 
JRNL        AUTH   W.-H.LEE,L.A.PERLES,A.K.SHRIVE,A.HAWKINS,L.SAWYER,            
JRNL        AUTH 2 I.POLIKARPOV                                                  
JRNL        TITL   COMPARISON OF DIFFERENT CRYSTAL FORMS OF 3-DEHYDROQUINASE     
JRNL        TITL 2 FROM SALMONELLA TYPHI AND ITS IMPLICATIONS FOR ENZYME         
JRNL        TITL 3 ACTIVITY                                                      
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  58   798 2002               
JRNL        REFN                   ISSN 0907-4449                                
JRNL        PMID   11976491                                                      
JRNL        DOI    10.1107/S0907444902003918                                     
REMARK   2 RESOLUTION.    1.78 ANGSTROMS.                                        
DBREF  1GQN A    1   252  UNP    P24670   AROD_SALTI       1    252              
SEQRES   1 A  252  MET LYS THR VAL THR VAL LYS ASN LEU ILE ILE GLY GLU           
SEQRES   2 A  252  GLY MET PRO LYS ILE ILE VAL SER LEU MET GLY ARG ASP           
SEQRES   3 A  252  ILE ASN SER VAL LYS ALA GLU ALA LEU ALA TYR ARG GLU           
SEQRES   4 A  252  ALA THR PHE ASP ILE LEU GLU TRP ARG VAL ASP HIS PHE           
SEQRES   5 A  252  MET ASP ILE ALA SER THR GLN SER VAL LEU THR ALA ALA           
SEQRES   6 A  252  ARG VAL ILE ARG ASP ALA MET PRO ASP ILE PRO LEU LEU           
SEQRES   7 A  252  PHE THR PHE ARG SER ALA LYS GLU GLY GLY GLU GLN THR           
SEQRES   8 A  252  ILE THR THR GLN HIS TYR LEU THR LEU ASN ARG ALA ALA           
SEQRES   9 A  252  ILE ASP SER GLY LEU VAL ASP MET ILE ASP LEU GLU LEU           
SEQRES  10 A  252  PHE THR GLY ASP ALA ASP VAL LYS ALA THR VAL ASP TYR           
SEQRES  11 A  252  ALA HIS ALA HIS ASN VAL TYR VAL VAL MET SER ASN HIS           
SEQRES  12 A  252  ASP PHE HIS GLN THR PRO SER ALA GLU GLU MET VAL SER           
SEQRES  13 A  252  ARG LEU ARG LYS MET GLN ALA LEU GLY ALA ASP ILE PRO           
SEQRES  14 A  252  LYS ILE ALA VAL MET PRO GLN SER LYS HIS ASP VAL LEU           
SEQRES  15 A  252  THR LEU LEU THR ALA THR LEU GLU MET GLN GLN HIS TYR           
SEQRES  16 A  252  ALA ASP ARG PRO VAL ILE THR MET SER MET ALA LYS GLU           
SEQRES  17 A  252  GLY VAL ILE SER ARG LEU ALA GLY GLU VAL PHE GLY SER           
SEQRES  18 A  252  ALA ALA THR PHE GLY ALA VAL LYS GLN ALA SER ALA PRO           
SEQRES  19 A  252  GLY GLN ILE ALA VAL ASN ASP LEU ARG SER VAL LEU MET           
SEQRES  20 A  252  ILE LEU HIS ASN ALA                                           
FORMUL   2  HOH   *181(H2 O)                                                     
CRYST1   48.780  112.330   42.940  90.00  90.00  90.00 P 21 21 2     4           
END  

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