HEADER    TOXIN                                   22-NOV-99   1DFY              
TITLE     NMR STRUCTURE OF CONTRYPHAN-SM CYCLIC PEPTIDE (MAJOR FORM-CIS)        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CONTRYPHAN-SM;                                             
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CONUS STERCUSMUSCARUM;                          
SOURCE   3 ORGANISM_TAXID: 89452                                                
KEYWDS    CYCLIC PEPTIDE, DISULFIDE BRIDGE, D-TRYPTOPHAN, CIS-TRANS ISOMERISM,  
KEYWDS   2 CONTRYPHAN, TOXIN                                                    
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    P.K.PALLAGHY,W.HE,E.C.JIMENEZ,B.M.OLIVERA,R.S.NORTON                  
REVDAT   3   24-JUN-20 1DFY    1       SOURCE REMARK DBREF  LINK                
REVDAT   2   24-FEB-09 1DFY    1       VERSN                                    
REVDAT   1   01-MAY-02 1DFY    0                                                
JRNL        AUTH   P.K.PALLAGHY,W.HE,E.C.JIMENEZ,B.M.OLIVERA,R.S.NORTON         
JRNL        TITL   STRUCTURES OF THE CONTRYPHAN FAMILY OF CYCLIC PEPTIDES. ROLE 
JRNL        TITL 2 OF ELECTROSTATIC INTERACTIONS IN CIS-TRANS ISOMERISM.        
JRNL        REF    BIOCHEMISTRY                  V.  39 12845 2000              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   11041849                                                     
JRNL        DOI    10.1021/BI0010930                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : XWINNMR 1.3, X-PLOR 3                                
REMARK   3   AUTHORS     : BRUKER (XWINNMR), BRUNGER (X-PLOR)                   
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: EM IN CHARMM-19 FORCE-FIELD WITH          
REMARK   3  EXPLICIT BOX OF H2O TREATED WITH PBC                                
REMARK   4                                                                      
REMARK   4 1DFY COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-NOV-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000010050.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 278                                
REMARK 210  PH                             : 2.9                                
REMARK 210  IONIC STRENGTH                 : 0                                  
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 5.0 MM                             
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 2D NOESY; DQF-COSY; E-COSY;        
REMARK 210                                   TOCSY                              
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ                            
REMARK 210  SPECTROMETER MODEL             : DRX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : XEASY 1.3.13                       
REMARK 210   METHOD USED                   : SIMULATED ANNEALING & ENERGY       
REMARK 210                                   MINIMIZATION                       
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 200                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: NULL                                                         
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 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  7 DTR A   4   CG    DTR A   4   CD2    -0.103                       
REMARK 500 17 DTR A   4   CG    DTR A   4   CD2    -0.107                       
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  1 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.7 DEGREES          
REMARK 500  1 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500  1 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.1 DEGREES          
REMARK 500  1 DTR A   4   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500  1 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.3 DEGREES          
REMARK 500  1 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   9.6 DEGREES          
REMARK 500  1 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.7 DEGREES          
REMARK 500  1 TRP A   7   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500  2 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500  2 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.9 DEGREES          
REMARK 500  2 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  2 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500  2 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.6 DEGREES          
REMARK 500  2 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500  3 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.8 DEGREES          
REMARK 500  3 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  3 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.4 DEGREES          
REMARK 500  3 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500  3 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.4 DEGREES          
REMARK 500  3 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.1 DEGREES          
REMARK 500  4 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500  4 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.2 DEGREES          
REMARK 500  4 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.8 DEGREES          
REMARK 500  4 DTR A   4   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.2 DEGREES          
REMARK 500  4 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500  4 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.9 DEGREES          
REMARK 500  4 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.1 DEGREES          
REMARK 500  4 TRP A   7   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500  5 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500  5 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500  5 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  5 DTR A   4   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.8 DEGREES          
REMARK 500  5 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.4 DEGREES          
REMARK 500  5 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500  5 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.7 DEGREES          
REMARK 500  6 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.9 DEGREES          
REMARK 500  6 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500  6 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =  10.3 DEGREES          
REMARK 500  6 DTR A   4   NE1 -  CE2 -  CD2 ANGL. DEV. =  -7.0 DEGREES          
REMARK 500  6 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500  6 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.6 DEGREES          
REMARK 500  6 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.0 DEGREES          
REMARK 500  7 DTR A   4   CG  -  CD1 -  NE1 ANGL. DEV. =  -7.7 DEGREES          
REMARK 500  7 DTR A   4   CD1 -  NE1 -  CE2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500  7 DTR A   4   NE1 -  CE2 -  CZ2 ANGL. DEV. =   9.8 DEGREES          
REMARK 500  7 DTR A   4   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.6 DEGREES          
REMARK 500  7 TRP A   7   CG  -  CD1 -  NE1 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500  7 TRP A   7   CD1 -  NE1 -  CE2 ANGL. DEV. =   7.8 DEGREES          
REMARK 500  7 TRP A   7   NE1 -  CE2 -  CZ2 ANGL. DEV. =   8.3 DEGREES          
REMARK 500  7 TRP A   7   NE1 -  CE2 -  CD2 ANGL. DEV. =  -6.5 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     150 ANGLE DEVIATIONS.                             
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  1 HYP A   3     -168.40    -65.10                                   
REMARK 500  2 HYP A   3     -167.01    -64.98                                   
REMARK 500  3 HYP A   3     -174.98    -62.04                                   
REMARK 500  4 HYP A   3     -169.56    -70.24                                   
REMARK 500  6 HYP A   3     -169.11    -62.65                                   
REMARK 500  8 HYP A   3     -178.13    -60.65                                   
REMARK 500 10 HYP A   3     -168.16    -67.55                                   
REMARK 500 10 PRO A   6       -9.95    -55.90                                   
REMARK 500 12 HYP A   3     -171.10    -64.98                                   
REMARK 500 14 HYP A   3      176.45    -59.79                                   
REMARK 500 14 PRO A   6       -6.04    -58.93                                   
REMARK 500 15 HYP A   3     -178.35    -57.42                                   
REMARK 500 20 HYP A   3     -172.75    -60.70                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1DFZ   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF ALTERNATIVE FORM OF CONTRYPHAN-SM (MINOR FORM - TRANS)  
REMARK 900 RELATED ID: 1DG0   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF DES[GLY1]-CONTRYPHAN-R                                  
REMARK 900 RELATED ID: 1QFB   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF CONTRYPHAN-R                                            
DBREF  1DFY A    1     8  PDB    1DFY     1DFY             1      8             
SEQRES   1 A    8  GLY CYS HYP DTR GLN PRO TRP CY3                              
MODRES 1DFY HYP A    3  PRO  4-HYDROXYPROLINE                                   
MODRES 1DFY DTR A    4  TRP  D-TRYPTOPHAN                                       
MODRES 1DFY CY3 A    8  CYS  2-AMINO-3-MERCAPTO-PROPIONAMIDE                    
HET    HYP  A   3      15                                                       
HET    DTR  A   4      24                                                       
HET    CY3  A   8      13                                                       
HETNAM     HYP 4-HYDROXYPROLINE                                                 
HETNAM     DTR D-TRYPTOPHAN                                                     
HETNAM     CY3 2-AMINO-3-MERCAPTO-PROPIONAMIDE                                  
HETSYN     HYP HYDROXYPROLINE                                                   
FORMUL   1  HYP    C5 H9 N O3                                                   
FORMUL   1  DTR    C11 H12 N2 O2                                                
FORMUL   1  CY3    C3 H8 N2 O S                                                 
LINK         C   CYS A   2                 N   HYP A   3     1555   1555  1.31  
LINK         SG  CYS A   2                 SG  CY3 A   8     1555   1555  2.02  
LINK         C   HYP A   3                 N   DTR A   4     1555   1555  1.30  
LINK         C   DTR A   4                 N   GLN A   5     1555   1555  1.31  
LINK         C   TRP A   7                 N   CY3 A   8     1555   1555  1.31  
CISPEP   1 CYS A    2    HYP A    3          1        -9.76                     
CISPEP   2 CYS A    2    HYP A    3          2       -10.76                     
CISPEP   3 CYS A    2    HYP A    3          3       -10.16                     
CISPEP   4 CYS A    2    HYP A    3          4        -3.62                     
CISPEP   5 CYS A    2    HYP A    3          5         1.50                     
CISPEP   6 CYS A    2    HYP A    3          6        -8.27                     
CISPEP   7 CYS A    2    HYP A    3          7        -0.91                     
CISPEP   8 CYS A    2    HYP A    3          8        -6.35                     
CISPEP   9 CYS A    2    HYP A    3          9         2.21                     
CISPEP  10 CYS A    2    HYP A    3         10        -2.44                     
CISPEP  11 CYS A    2    HYP A    3         11        -3.31                     
CISPEP  12 CYS A    2    HYP A    3         12        -9.19                     
CISPEP  13 CYS A    2    HYP A    3         13         1.44                     
CISPEP  14 CYS A    2    HYP A    3         14        -1.45                     
CISPEP  15 CYS A    2    HYP A    3         15       -10.21                     
CISPEP  16 CYS A    2    HYP A    3         16         7.36                     
CISPEP  17 CYS A    2    HYP A    3         17         4.49                     
CISPEP  18 CYS A    2    HYP A    3         18         0.66                     
CISPEP  19 CYS A    2    HYP A    3         19       -11.05                     
CISPEP  20 CYS A    2    HYP A    3         20       -11.82                     
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1