HEADER    INORGANIC PYROPHOSPHATASE               10-JAN-96   2EIP              
TITLE     INORGANIC PYROPHOSPHATASE                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SOLUBLE INORGANIC PYROPHOSPHATASE;                         
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 EC: 3.6.1.1                                                          
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562                                                  
KEYWDS    HYDROLASE, MAGNESIUM, INORGANIC PYROPHOSHATASE, INORGANIC             
KEYWDS   2 PYROPHOSPHATASE                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.A.KANKARE,T.SALMINEN,A.GOLDMAN                                      
REVDAT   4   14-FEB-24 2EIP    1       REMARK                                   
REVDAT   3   13-JUL-11 2EIP    1       VERSN                                    
REVDAT   2   24-FEB-09 2EIP    1       VERSN                                    
REVDAT   1   08-NOV-96 2EIP    0                                                
SPRSDE     08-NOV-96 2EIP      1EIP                                             
JRNL        AUTH   J.KANKARE,T.SALMINEN,R.LAHTI,B.S.COOPERMAN,A.A.BAYKOV,       
JRNL        AUTH 2 A.GOLDMAN                                                    
JRNL        TITL   STRUCTURE OF ESCHERICHIA COLI INORGANIC PYROPHOSPHATASE AT   
JRNL        TITL 2 2.2 A RESOLUTION.                                            
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  52   551 1996              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   15299678                                                     
JRNL        DOI    10.1107/S0907444996000376                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   P.HEIKINHEIMO,T.SALMINEN,B.COOPERMAN,R.LAHTI,A.GOLDMAN       
REMARK   1  TITL   NEW CRYSTAL FORMS OF ESCHERICHIA COLI AND SACCHAROMYCES      
REMARK   1  TITL 2 CEREVISIAE SOLUBLE INORGANIC PYROPHOSPHATASE                 
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  51   399 1995              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.KANKARE,G.S.NEAL,T.SALMINEN,T.GLUMHOFF,B.S.COOPERMAN,      
REMARK   1  AUTH 2 R.LAHTI,A.GOLDMAN                                            
REMARK   1  TITL   THE STRUCTURE OF E.COLI SOLUBLE INORGANIC PYROPHOSPHATASE AT 
REMARK   1  TITL 2 2.7 A RESOLUTION                                             
REMARK   1  REF    PROTEIN ENG.                  V.   7   823 1994              
REMARK   1  REFN                   ISSN 0269-2139                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 86.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 15787                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.183                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2690                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 141                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 30.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2EIP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000178029.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 16178                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 86.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.08200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: X-PLOR 3.1                                            
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       55.10000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       31.81200            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       52.00000            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       55.10000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       31.81200            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       52.00000            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       55.10000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       31.81200            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       52.00000            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       55.10000            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       31.81200            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       52.00000            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       55.10000            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       31.81200            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       52.00000            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       55.10000            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       31.81200            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       52.00000            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       63.62400            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      104.00000            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       63.62400            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      104.00000            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       63.62400            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      104.00000            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       63.62400            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      104.00000            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       63.62400            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      104.00000            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       63.62400            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      104.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
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 300 REMARK: THE ACTIVE ENZYME IS A HEXAMER.  THE ASYMMETRIC UNIT OF      
REMARK 300 THIS CRYSTAL FORM CONTAINS TWO MONOMERS OF THE ACTIVE                
REMARK 300 HEXAMER.  THE WHOLE HEXAMER CAN BE GENERATED BY APPLYING             
REMARK 300 TWICE THE CRYSTALLOGRAPHIC THREE-FOLD ROTATIONS AROUND               
REMARK 300 C-AXIS.  THE TWO MONOMERS IN THE ASYMMETRIC UNIT ARE                 
REMARK 300 RELATED BY A LOCAL TWO-FOLD OPERATOR PARALLEL TO THE                 
REMARK 300 CRYSTALLOGRAPHIC TWO-FOLD.                                           
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: HEXAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 12780 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 39210 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -108.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLU A    98                                                      
REMARK 465     ALA A    99                                                      
REMARK 465     LYS A   146                                                      
REMARK 465     GLY A   147                                                      
REMARK 465     LYS A   148                                                      
REMARK 465     ASN A   174                                                      
REMARK 465     LYS A   175                                                      
REMARK 465     ASN B   174                                                      
REMARK 465     LYS B   175                                                      
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    PRO B  89   C   -  N   -  CA  ANGL. DEV. =  11.5 DEGREES          
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    ASP A  10       80.54   -156.80                                   
REMARK 500    PRO B  27       45.46    -61.10                                   
REMARK 500    ARG B  43      164.90    179.35                                   
REMARK 500    SER B 114      149.41   -173.61                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  2EIP A    1   175  UNP    P0A7A9   IPYR_ECOLI       1    175             
DBREF  2EIP B    1   175  UNP    P0A7A9   IPYR_ECOLI       1    175             
SEQRES   1 A  175  SER LEU LEU ASN VAL PRO ALA GLY LYS ASP LEU PRO GLU          
SEQRES   2 A  175  ASP ILE TYR VAL VAL ILE GLU ILE PRO ALA ASN ALA ASP          
SEQRES   3 A  175  PRO ILE LYS TYR GLU ILE ASP LYS GLU SER GLY ALA LEU          
SEQRES   4 A  175  PHE VAL ASP ARG PHE MET SER THR ALA MET PHE TYR PRO          
SEQRES   5 A  175  CYS ASN TYR GLY TYR ILE ASN HIS THR LEU SER LEU ASP          
SEQRES   6 A  175  GLY ASP PRO VAL ASP VAL LEU VAL PRO THR PRO TYR PRO          
SEQRES   7 A  175  LEU GLN PRO GLY SER VAL ILE ARG CYS ARG PRO VAL GLY          
SEQRES   8 A  175  VAL LEU LYS MET THR ASP GLU ALA GLY GLU ASP ALA LYS          
SEQRES   9 A  175  LEU VAL ALA VAL PRO HIS SER LYS LEU SER LYS GLU TYR          
SEQRES  10 A  175  ASP HIS ILE LYS ASP VAL ASN ASP LEU PRO GLU LEU LEU          
SEQRES  11 A  175  LYS ALA GLN ILE ALA HIS PHE PHE GLU HIS TYR LYS ASP          
SEQRES  12 A  175  LEU GLU LYS GLY LYS TRP VAL LYS VAL GLU GLY TRP GLU          
SEQRES  13 A  175  ASN ALA GLU ALA ALA LYS ALA GLU ILE VAL ALA SER PHE          
SEQRES  14 A  175  GLU ARG ALA LYS ASN LYS                                      
SEQRES   1 B  175  SER LEU LEU ASN VAL PRO ALA GLY LYS ASP LEU PRO GLU          
SEQRES   2 B  175  ASP ILE TYR VAL VAL ILE GLU ILE PRO ALA ASN ALA ASP          
SEQRES   3 B  175  PRO ILE LYS TYR GLU ILE ASP LYS GLU SER GLY ALA LEU          
SEQRES   4 B  175  PHE VAL ASP ARG PHE MET SER THR ALA MET PHE TYR PRO          
SEQRES   5 B  175  CYS ASN TYR GLY TYR ILE ASN HIS THR LEU SER LEU ASP          
SEQRES   6 B  175  GLY ASP PRO VAL ASP VAL LEU VAL PRO THR PRO TYR PRO          
SEQRES   7 B  175  LEU GLN PRO GLY SER VAL ILE ARG CYS ARG PRO VAL GLY          
SEQRES   8 B  175  VAL LEU LYS MET THR ASP GLU ALA GLY GLU ASP ALA LYS          
SEQRES   9 B  175  LEU VAL ALA VAL PRO HIS SER LYS LEU SER LYS GLU TYR          
SEQRES  10 B  175  ASP HIS ILE LYS ASP VAL ASN ASP LEU PRO GLU LEU LEU          
SEQRES  11 B  175  LYS ALA GLN ILE ALA HIS PHE PHE GLU HIS TYR LYS ASP          
SEQRES  12 B  175  LEU GLU LYS GLY LYS TRP VAL LYS VAL GLU GLY TRP GLU          
SEQRES  13 B  175  ASN ALA GLU ALA ALA LYS ALA GLU ILE VAL ALA SER PHE          
SEQRES  14 B  175  GLU ARG ALA LYS ASN LYS                                      
FORMUL   3  HOH   *141(H2 O)                                                    
HELIX    1   1 LEU A    2  ASN A    4  5                                   3    
HELIX    2   2 VAL A  123  ASP A  125  5                                   3    
HELIX    3   3 GLU A  128  HIS A  140  1                                  13    
HELIX    4   4 ALA A  158  ALA A  172  1                                  15    
HELIX    5   5 LEU B    2  ASN B    4  5                                   3    
HELIX    6   6 VAL B  123  ASP B  125  5                                   3    
HELIX    7   7 GLU B  128  HIS B  140  1                                  13    
HELIX    8   8 ALA B  158  ARG B  171  1                                  14    
SHEET    1   A 7 VAL A  84  CYS A  87  0                                        
SHEET    2   A 7 ILE A  15  ILE A  21 -1  N  VAL A  17   O  ILE A  85           
SHEET    3   A 7 ASN A  54  TYR A  57 -1  N  TYR A  57   O  VAL A  18           
SHEET    4   A 7 ASP A  70  PRO A  74 -1  N  VAL A  73   O  ASN A  54           
SHEET    5   A 7 ASP A 102  PRO A 109  1  N  LEU A 105   O  LEU A  72           
SHEET    6   A 7 CYS A  87  THR A  96 -1  N  MET A  95   O  ASP A 102           
SHEET    7   A 7 LYS A 151  GLU A 156 -1  N  GLU A 156   O  VAL A  92           
SHEET    1   B 7 VAL B  84  CYS B  87  0                                        
SHEET    2   B 7 ILE B  15  ILE B  21 -1  N  VAL B  17   O  ILE B  85           
SHEET    3   B 7 ASN B  54  TYR B  57 -1  N  TYR B  57   O  VAL B  18           
SHEET    4   B 7 ASP B  70  PRO B  74 -1  N  VAL B  73   O  ASN B  54           
SHEET    5   B 7 GLY B 100  PRO B 109  1  N  LEU B 105   O  LEU B  72           
SHEET    6   B 7 CYS B  87  ASP B  97 -1  N  ASP B  97   O  GLY B 100           
SHEET    7   B 7 VAL B 150  GLU B 156 -1  N  GLU B 156   O  VAL B  92           
SHEET    1   C 2 ILE A  28  ILE A  32  0                                        
SHEET    2   C 2 LEU A  39  PHE A  44 -1  N  ARG A  43   O  LYS A  29           
SHEET    1   D 2 ILE B  28  ILE B  32  0                                        
SHEET    2   D 2 LEU B  39  PHE B  44 -1  N  ARG B  43   O  LYS B  29           
CISPEP   1 LEU A   11    PRO A   12          0        -0.32                     
CISPEP   2 LEU B   11    PRO B   12          0        -0.30                     
CRYST1  110.200  110.200  156.000  90.00  90.00 120.00 H 3 2        36          
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      0.009074  0.005239  0.000000        0.00000                         
SCALE2      0.000000  0.010478  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006410        0.00000                         
MTRIX1   1 -0.510000  0.860000  0.005000       -0.26700    1                    
MTRIX2   1  0.860000  0.510000  0.003000       -0.16000    1                    
MTRIX3   1  0.000000  0.006000 -1.000000       70.72000    1