HEADER    RIBOSOME BINDING                        16-APR-97   1AH9              
TITLE     THE STRUCTURE OF THE TRANSLATIONAL INITIATION FACTOR IF1 FROM         
TITLE    2 ESCHERICHIA COLI, NMR, 19 STRUCTURES                                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INITIATION FACTOR 1;                                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: IF1;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: JM109;                                     
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PXR201                                    
KEYWDS    RIBOSOME BINDING, PROTEIN-RNA INTERACTION, OB FOLD                    
EXPDTA    SOLUTION NMR                                                          
NUMMDL    19                                                                    
AUTHOR    M.SETTE,P.VAN TILBORG,R.SPURIO,R.KAPTEIN,M.PACI,C.O.GUALERZI,         
AUTHOR   2 R.BOELENS                                                            
REVDAT   5   22-MAY-24 1AH9    1       REMARK                                   
REVDAT   4   16-FEB-22 1AH9    1       REMARK                                   
REVDAT   3   24-FEB-09 1AH9    1       VERSN                                    
REVDAT   2   01-APR-03 1AH9    1       JRNL                                     
REVDAT   1   07-JUL-97 1AH9    0                                                
JRNL        AUTH   M.SETTE,P.VAN TILBORG,R.SPURIO,R.KAPTEIN,M.PACI,             
JRNL        AUTH 2 C.O.GUALERZI,R.BOELENS                                       
JRNL        TITL   THE STRUCTURE OF THE TRANSLATIONAL INITIATION FACTOR IF1     
JRNL        TITL 2 FROM E.COLI CONTAINS AN OLIGOMER-BINDING MOTIF.              
JRNL        REF    EMBO J.                       V.  16  1436 1997              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   9135158                                                      
JRNL        DOI    10.1093/EMBOJ/16.6.1436                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : DISCOVER                                             
REMARK   3   AUTHORS     : BIOSYM TECHNOLOGIES, INC.                            
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: REFINEMENT DETAILS CAN BE FOUND IN THE    
REMARK   3  JRNL CITATION ABOVE.                                                
REMARK   4                                                                      
REMARK   4 1AH9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170813.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 300                                
REMARK 210  PH                             : 5.1                                
REMARK 210  IONIC STRENGTH                 : NULL                               
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NOESY; TOCSY; 3D NOESY-HSQC; 3D    
REMARK 210                                   TOCSY-HSQC; 3D HNHA; 3D HMQC-      
REMARK 210                                   NOESY-HSQC; ROESY                  
REMARK 210  SPECTROMETER FIELD STRENGTH    : 600 MHZ; 750 MHZ                   
REMARK 210  SPECTROMETER MODEL             : AMXT600; UNITY PLUS 750            
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER; VARIAN                     
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : DG-II, DISCOVER (BIOSYM            
REMARK 210                                   TECHNOLOGIES INC.) INC.)           
REMARK 210   METHOD USED                   : DISTANCE GEOMETRY, MOLECULAR       
REMARK 210                                   DYNAMICS                           
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 40                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 19                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : LEAST RESTRAINT VIOLATIONS         
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
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: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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  1 GLU A   3   CD    GLU A   3   OE2     0.107                       
REMARK 500  1 GLU A   7   CD    GLU A   7   OE2     0.107                       
REMARK 500  1 GLU A  14   CD    GLU A  14   OE2     0.108                       
REMARK 500  1 GLU A  24   CD    GLU A  24   OE2     0.106                       
REMARK 500  1 GLU A  26   CD    GLU A  26   OE2     0.107                       
REMARK 500  1 GLU A  55   CD    GLU A  55   OE2     0.108                       
REMARK 500  1 ARG A  71   C     ARG A  71   OXT     0.133                       
REMARK 500  2 GLU A   3   CD    GLU A   3   OE2     0.108                       
REMARK 500  2 GLU A   7   CD    GLU A   7   OE2     0.105                       
REMARK 500  2 GLU A  14   CD    GLU A  14   OE2     0.108                       
REMARK 500  2 GLU A  24   CD    GLU A  24   OE2     0.108                       
REMARK 500  2 GLU A  26   CD    GLU A  26   OE2     0.110                       
REMARK 500  2 GLU A  55   CD    GLU A  55   OE2     0.108                       
REMARK 500  2 ARG A  71   C     ARG A  71   OXT     0.132                       
REMARK 500  3 GLU A   3   CD    GLU A   3   OE2     0.109                       
REMARK 500  3 GLU A   7   CD    GLU A   7   OE2     0.107                       
REMARK 500  3 GLU A  14   CD    GLU A  14   OE2     0.107                       
REMARK 500  3 GLU A  24   CD    GLU A  24   OE2     0.106                       
REMARK 500  3 GLU A  26   CD    GLU A  26   OE2     0.106                       
REMARK 500  3 GLU A  55   CD    GLU A  55   OE2     0.108                       
REMARK 500  3 ARG A  71   C     ARG A  71   OXT     0.136                       
REMARK 500  4 GLU A   3   CD    GLU A   3   OE2     0.107                       
REMARK 500  4 GLU A   7   CD    GLU A   7   OE2     0.107                       
REMARK 500  4 GLU A  14   CD    GLU A  14   OE2     0.108                       
REMARK 500  4 GLU A  24   CD    GLU A  24   OE2     0.107                       
REMARK 500  4 GLU A  26   CD    GLU A  26   OE2     0.108                       
REMARK 500  4 GLU A  55   CD    GLU A  55   OE2     0.109                       
REMARK 500  4 ARG A  71   C     ARG A  71   OXT     0.135                       
REMARK 500  5 GLU A   3   CD    GLU A   3   OE2     0.107                       
REMARK 500  5 GLU A   7   CD    GLU A   7   OE2     0.107                       
REMARK 500  5 GLU A  14   CD    GLU A  14   OE2     0.108                       
REMARK 500  5 GLU A  24   CD    GLU A  24   OE2     0.107                       
REMARK 500  5 GLU A  26   CD    GLU A  26   OE2     0.107                       
REMARK 500  5 GLU A  55   CD    GLU A  55   OE2     0.109                       
REMARK 500  5 ARG A  71   C     ARG A  71   OXT     0.132                       
REMARK 500  6 GLU A   3   CD    GLU A   3   OE2     0.108                       
REMARK 500  6 GLU A   7   CD    GLU A   7   OE2     0.107                       
REMARK 500  6 GLU A  14   CD    GLU A  14   OE2     0.108                       
REMARK 500  6 GLU A  24   CD    GLU A  24   OE2     0.106                       
REMARK 500  6 GLU A  26   CD    GLU A  26   OE2     0.109                       
REMARK 500  6 GLU A  55   CD    GLU A  55   OE2     0.108                       
REMARK 500  6 ARG A  71   C     ARG A  71   OXT     0.134                       
REMARK 500  7 GLU A   3   CD    GLU A   3   OE2     0.107                       
REMARK 500  7 GLU A   7   CD    GLU A   7   OE2     0.108                       
REMARK 500  7 GLU A  14   CD    GLU A  14   OE2     0.106                       
REMARK 500  7 GLU A  24   CD    GLU A  24   OE2     0.107                       
REMARK 500  7 GLU A  26   CD    GLU A  26   OE2     0.107                       
REMARK 500  7 HIS A  29   CG    HIS A  29   CD2     0.058                       
REMARK 500  7 GLU A  55   CD    GLU A  55   OE2     0.108                       
REMARK 500  7 ARG A  71   C     ARG A  71   OXT     0.137                       
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     137 BOND DEVIATIONS.                              
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 ASP A   4   CB  -  CG  -  OD1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500  1 ASP A   4   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500  1 GLN A   9   CA  -  CB  -  CG  ANGL. DEV. =  18.1 DEGREES          
REMARK 500  1 LEU A  16   CB  -  CA  -  C   ANGL. DEV. =  14.5 DEGREES          
REMARK 500  1 ARG A  22   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500  1 HIS A  29   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  1 HIS A  34   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  1 ARG A  40   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500  1 ARG A  45   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500  1 ASP A  50   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500  1 ASP A  50   CB  -  CG  -  OD2 ANGL. DEV. =  -6.0 DEGREES          
REMARK 500  1 VAL A  54   CG1 -  CB  -  CG2 ANGL. DEV. = -10.4 DEGREES          
REMARK 500  1 VAL A  54   CA  -  CB  -  CG2 ANGL. DEV. =  12.3 DEGREES          
REMARK 500  1 ASP A  60   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500  1 ASP A  60   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500  1 ARG A  65   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500  1 ARG A  65   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500  1 ARG A  69   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500  1 ARG A  71   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500  2 ASP A   4   CB  -  CG  -  OD1 ANGL. DEV. =   5.4 DEGREES          
REMARK 500  2 ASP A   4   CB  -  CG  -  OD2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500  2 GLN A   9   CA  -  CB  -  CG  ANGL. DEV. =  15.4 DEGREES          
REMARK 500  2 VAL A  12   CA  -  CB  -  CG2 ANGL. DEV. =  14.0 DEGREES          
REMARK 500  2 LEU A  16   N   -  CA  -  CB  ANGL. DEV. = -15.3 DEGREES          
REMARK 500  2 PHE A  21   CB  -  CG  -  CD1 ANGL. DEV. =  -4.3 DEGREES          
REMARK 500  2 ARG A  22   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500  2 HIS A  29   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  2 HIS A  34   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.6 DEGREES          
REMARK 500  2 ARG A  40   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500  2 ARG A  40   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500  2 ARG A  45   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500  2 VAL A  54   CA  -  CB  -  CG2 ANGL. DEV. =  11.2 DEGREES          
REMARK 500  2 ASP A  60   CB  -  CG  -  OD1 ANGL. DEV. =   6.2 DEGREES          
REMARK 500  2 ASP A  60   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500  2 ARG A  65   NE  -  CZ  -  NH1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500  2 ARG A  65   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500  2 ARG A  69   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500  2 ARG A  71   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500  3 ASP A   4   CB  -  CG  -  OD1 ANGL. DEV. =   5.8 DEGREES          
REMARK 500  3 ASP A   4   CB  -  CG  -  OD2 ANGL. DEV. =  -6.1 DEGREES          
REMARK 500  3 GLN A   9   CA  -  CB  -  CG  ANGL. DEV. =  17.4 DEGREES          
REMARK 500  3 VAL A  12   CA  -  CB  -  CG2 ANGL. DEV. =  12.1 DEGREES          
REMARK 500  3 LEU A  16   N   -  CA  -  CB  ANGL. DEV. = -14.6 DEGREES          
REMARK 500  3 ARG A  22   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500  3 HIS A  29   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  3 HIS A  34   ND1 -  CE1 -  NE2 ANGL. DEV. =   8.5 DEGREES          
REMARK 500  3 ARG A  40   NE  -  CZ  -  NH1 ANGL. DEV. =   4.1 DEGREES          
REMARK 500  3 ARG A  45   NE  -  CZ  -  NH1 ANGL. DEV. =   4.3 DEGREES          
REMARK 500  3 VAL A  52   CA  -  CB  -  CG2 ANGL. DEV. =  10.0 DEGREES          
REMARK 500  3 VAL A  54   CG1 -  CB  -  CG2 ANGL. DEV. =  -9.7 DEGREES          
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     383 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 LYS A   2      -87.03   -123.72                                   
REMARK 500  1 MET A   8       82.96   -168.46                                   
REMARK 500  1 GLN A   9     -153.03    -98.47                                   
REMARK 500  1 LEU A  16     -124.89    -79.65                                   
REMARK 500  1 PRO A  17      -70.50    -73.36                                   
REMARK 500  1 ASN A  18      -70.31    -78.67                                   
REMARK 500  1 THR A  19       75.89   -159.33                                   
REMARK 500  1 SER A  36       25.24    -79.90                                   
REMARK 500  1 ARG A  40      -39.02    -38.44                                   
REMARK 500  1 ASN A  42       53.25    -93.46                                   
REMARK 500  1 TYR A  43       98.11    -45.74                                   
REMARK 500  1 VAL A  54       86.36   -157.35                                   
REMARK 500  1 ARG A  65      115.86   -162.69                                   
REMARK 500  1 ILE A  66       90.97    -38.99                                   
REMARK 500  1 VAL A  67      -87.33    -77.19                                   
REMARK 500  1 ARG A  69       99.86    -60.64                                   
REMARK 500  2 MET A   8       85.08   -170.34                                   
REMARK 500  2 GLN A   9     -149.24   -105.16                                   
REMARK 500  2 ASN A  18     -100.78    -79.74                                   
REMARK 500  2 THR A  19       72.77   -152.97                                   
REMARK 500  2 ARG A  40      -35.66    -37.93                                   
REMARK 500  2 LYS A  41       33.58    -94.47                                   
REMARK 500  2 ASN A  42      -69.93   -150.93                                   
REMARK 500  2 ILE A  44      -73.55    -74.83                                   
REMARK 500  2 VAL A  54       89.55   -158.44                                   
REMARK 500  2 ILE A  66       91.86    -35.64                                   
REMARK 500  2 VAL A  67      -71.33    -77.94                                   
REMARK 500  2 PHE A  68      -84.25     61.69                                   
REMARK 500  3 GLU A   3       66.11   -104.33                                   
REMARK 500  3 MET A   8       81.20   -168.34                                   
REMARK 500  3 GLN A   9     -149.86    -96.04                                   
REMARK 500  3 ASN A  18      -93.21    -80.49                                   
REMARK 500  3 THR A  19       75.38   -159.50                                   
REMARK 500  3 ARG A  40      -35.54    -39.60                                   
REMARK 500  3 LYS A  41       34.06    -92.79                                   
REMARK 500  3 ASN A  42      -71.63   -150.23                                   
REMARK 500  3 ILE A  44      -70.96    -74.01                                   
REMARK 500  3 VAL A  54       84.55   -158.44                                   
REMARK 500  3 ARG A  65      113.65   -161.63                                   
REMARK 500  3 ILE A  66       94.03    -36.45                                   
REMARK 500  3 VAL A  67      -64.48    -90.33                                   
REMARK 500  3 PHE A  68      -54.84     63.90                                   
REMARK 500  3 SER A  70      -34.45   -168.96                                   
REMARK 500  4 MET A   8      -12.22   -155.15                                   
REMARK 500  4 GLN A   9     -173.02    -69.68                                   
REMARK 500  4 ASN A  18      -93.83    -85.72                                   
REMARK 500  4 THR A  19       74.89   -156.23                                   
REMARK 500  4 LEU A  25      178.07    -58.40                                   
REMARK 500  4 ASN A  42      -71.58    -96.57                                   
REMARK 500  4 ARG A  45      174.62    -44.66                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     236 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLU A    7     MET A    8          3      -149.84                    
REMARK 500 GLU A    7     MET A    8          5      -148.60                    
REMARK 500 GLU A    7     MET A    8          6      -147.65                    
REMARK 500 GLU A    7     MET A    8          9      -148.26                    
REMARK 500 GLU A    7     MET A    8         11      -149.03                    
REMARK 500 GLU A    7     MET A    8         12      -148.12                    
REMARK 500 GLU A    7     MET A    8         14      -149.92                    
REMARK 500 ARG A   45     ILE A   46         19      -138.90                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500  1 TYR A  43         0.10    SIDE CHAIN                              
REMARK 500  2 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500  2 TYR A  43         0.09    SIDE CHAIN                              
REMARK 500  3 PHE A  21         0.15    SIDE CHAIN                              
REMARK 500  3 TYR A  43         0.07    SIDE CHAIN                              
REMARK 500  4 PHE A  21         0.14    SIDE CHAIN                              
REMARK 500  5 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500  5 TYR A  43         0.09    SIDE CHAIN                              
REMARK 500  6 PHE A  21         0.15    SIDE CHAIN                              
REMARK 500  6 TYR A  43         0.10    SIDE CHAIN                              
REMARK 500  7 PHE A  21         0.15    SIDE CHAIN                              
REMARK 500  8 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500  9 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500 10 PHE A  21         0.15    SIDE CHAIN                              
REMARK 500 11 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500 12 PHE A  21         0.18    SIDE CHAIN                              
REMARK 500 13 PHE A  21         0.15    SIDE CHAIN                              
REMARK 500 13 TYR A  43         0.13    SIDE CHAIN                              
REMARK 500 14 PHE A  21         0.13    SIDE CHAIN                              
REMARK 500 14 TYR A  43         0.10    SIDE CHAIN                              
REMARK 500 15 PHE A  21         0.14    SIDE CHAIN                              
REMARK 500 15 TYR A  43         0.07    SIDE CHAIN                              
REMARK 500 16 PHE A  21         0.16    SIDE CHAIN                              
REMARK 500 17 PHE A  21         0.17    SIDE CHAIN                              
REMARK 500 18 PHE A  21         0.14    SIDE CHAIN                              
REMARK 500 19 PHE A  21         0.14    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1AH9 A    1    71  UNP    P69222   IF1_ECOLI        1     71             
SEQRES   1 A   71  ALA LYS GLU ASP ASN ILE GLU MET GLN GLY THR VAL LEU          
SEQRES   2 A   71  GLU THR LEU PRO ASN THR MET PHE ARG VAL GLU LEU GLU          
SEQRES   3 A   71  ASN GLY HIS VAL VAL THR ALA HIS ILE SER GLY LYS MET          
SEQRES   4 A   71  ARG LYS ASN TYR ILE ARG ILE LEU THR GLY ASP LYS VAL          
SEQRES   5 A   71  THR VAL GLU LEU THR PRO TYR ASP LEU SER LYS GLY ARG          
SEQRES   6 A   71  ILE VAL PHE ARG SER ARG                                      
HELIX    1   1 LYS A   38  ILE A   44  5                                   7    
SHEET    1   A 5 ILE A   6  LEU A  16  0                                        
SHEET    2   A 5 THR A  19  GLU A  26 -1                                        
SHEET    3   A 5 HIS A  29  SER A  36 -1                                        
SHEET    4   A 5 SER A  62  ILE A  66  1                                        
SHEET    5   A 5 ASP A  50  LEU A  56 -1                                        
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