AS2TS intermediate model information! 

MOLECULE  1j3s_A  
HEADER    ELECTRON TRANSPORT                      12-FEB-03   1J3S               
TITLE     SOLUTION STRUCTURE OF REDUCED RECOMBINANT HUMAN CYTOCHROME C           
COMPND    MOL_ID: 1;                                                             
COMPND   2 MOLECULE: CYTOCHROME C;                                               
COMPND   3 CHAIN: A;                                                             
COMPND   4 SYNONYM: FERROCYTOCHROME C;                                           
COMPND   5 ENGINEERED: YES                                                       
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: 562;                                         
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: B1-21 (DE3);                                
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                               
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-21A(+)                                 
KEYWDS    FERROCYTOCHROME C, ELECTRON TRANSPORT                                  
EXPDTA    SOLUTION NMR                                                           
AUTHOR    W.-Y.JENG,J.-H.SHIU,Y.-H.TSAI,W.-J.CHUANG                              
REVDAT   4   27-DEC-23 1J3S    1       REMARK                                    
REVDAT   3   23-FEB-22 1J3S    1       REMARK LINK                               
REVDAT   2   24-FEB-09 1J3S    1       VERSN                                     
REVDAT   1   18-MAY-04 1J3S    0                                                 
JRNL        AUTH   W.-Y.JENG,J.-H.SHIU,Y.-H.TSAI,W.-J.CHUANG                     
JRNL        TITL   SOLUTION STRUCTURE OF REDUCED RECOMBINANT HUMAN CYTOCHROME C  
JRNL        REF    TO BE PUBLISHED                                               
JRNL        REFN                                                                 
REMARK   2 RESOLUTION. NOT APPLICABLE.                                           
DBREF  1J3S A    1   104  UNP    P99999   CYC_HUMAN        1    104              
SEQRES   1 A  104  GLY ASP VAL GLU LYS GLY LYS LYS ILE PHE ILE MET LYS           
SEQRES   2 A  104  CYS SER GLN CYS HIS THR VAL GLU LYS GLY GLY LYS HIS           
SEQRES   3 A  104  LYS THR GLY PRO ASN LEU HIS GLY LEU PHE GLY ARG LYS           
SEQRES   4 A  104  THR GLY GLN ALA PRO GLY TYR SER TYR THR ALA ALA ASN           
SEQRES   5 A  104  LYS ASN LYS GLY ILE ILE TRP GLY GLU ASP THR LEU MET           
SEQRES   6 A  104  GLU TYR LEU GLU ASN PRO LYS LYS TYR ILE PRO GLY THR           
SEQRES   7 A  104  LYS MET ILE PHE VAL GLY ILE LYS LYS LYS GLU GLU ARG           
SEQRES   8 A  104  ALA ASP LEU ILE ALA TYR LEU LYS LYS ALA THR ASN GLU           
HET    HEC  A 105      75                                                        
HETNAM     HEC HEME C                                                            
FORMUL   2  HEC    C34 H34 FE N4 O4                                              
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1           
MODEL        1                                                                   
END  

FATAL: There is no PDB entry  ( 1j3s_A ) in the database!