HEADER    TRANSCRIPTION REGULATOR                 10-JUN-13   4L51              
TITLE     CRYSTAL STRUCTURES OF THE LSRR PROTEINS COMPLEXED WITH PHOSPHO-AI-2   
TITLE    2 AND ITS TWO DIFFERENT ANALOGS REVEAL DISTINCT MECHANISMS FOR LIGAND  
TITLE    3 RECOGNITION                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSCRIPTIONAL REGULATOR LSRR;                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: UNP RESIDUES 53-317;                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K-12;                                                        
SOURCE   5 GENE: LSRR, YDEW, B1512, JW1505;                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    DNA TRANSCRIPTIONAL REGULATOR, PHOSPHO-AI-2 BINDING, DNA BINDING,     
KEYWDS   2 TRANSCRIPTION REGULATOR, REMOVED HELIX-TURN-HELIX DOMAIN, SORC/DEOR  
KEYWDS   3 FAMILY                                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    K.S.RYU,J.H.HA,Y.EO                                                   
REVDAT   3   28-FEB-24 4L51    1       HETSYN                                   
REVDAT   2   29-JUL-20 4L51    1       REMARK SEQADV SITE   ATOM                
REVDAT   1   06-NOV-13 4L51    0                                                
JRNL        AUTH   J.H.HA,Y.EO,A.GRISHAEV,M.GUO,J.A.SMITH,H.O.SINTIM,E.H.KIM,   
JRNL        AUTH 2 H.K.CHEONG,W.E.BENTLEY,K.S.RYU                               
JRNL        TITL   CRYSTAL STRUCTURES OF THE LSRR PROTEINS COMPLEXED WITH       
JRNL        TITL 2 PHOSPHO-AI-2 AND TWO SIGNAL-INTERRUPTING ANALOGUES REVEAL    
JRNL        TITL 3 DISTINCT MECHANISMS FOR LIGAND RECOGNITION.                  
JRNL        REF    J.AM.CHEM.SOC.                V. 135 15526 2013              
JRNL        REFN                   ISSN 0002-7863                               
JRNL        PMID   24047255                                                     
JRNL        DOI    10.1021/JA407068V                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.7.0029                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 42.70                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 45849                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.168                           
REMARK   3   R VALUE            (WORKING SET) : 0.166                           
REMARK   3   FREE R VALUE                     : 0.204                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2431                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.90                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.95                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3342                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.19                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2330                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 185                          
REMARK   3   BIN FREE R VALUE                    : 0.2710                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3620                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 328                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.19                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.03000                                              
REMARK   3    B22 (A**2) : 0.03000                                              
REMARK   3    B33 (A**2) : -0.09000                                             
REMARK   3    B12 (A**2) : 0.03000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.118         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.117         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.080         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.721         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.959                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.941                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3717 ; 0.019 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  3725 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5031 ; 2.060 ; 1.984       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  8523 ; 0.983 ; 3.003       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   500 ; 5.843 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   144 ;41.412 ;24.514       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   642 ;15.058 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    26 ;21.383 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   605 ; 0.139 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4288 ; 0.010 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   810 ; 0.003 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 4L51 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUN-13.                  
REMARK 100 THE DEPOSITION ID IS D_1000080189.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-JUN-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : BL-17A                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.00000                            
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 45849                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 42.700                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
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) : 1.90                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.97                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.4                               
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: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASES                                                
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.11                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS, 9.1% PEG3350, 0.01M      
REMARK 280  BARIUM CHLORIDE DEHYDRATE, PH 6.5, VAPOR DIFFUSION, TEMPERATURE     
REMARK 280  293K                                                                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
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       53.16267            
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       26.58133            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       39.87200            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       13.29067            
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       66.45333            
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 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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1570 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 19700 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 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 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     SER A    52                                                      
REMARK 465     LYS A    53                                                      
REMARK 465     GLY A    54                                                      
REMARK 465     HIS A    55                                                      
REMARK 465     GLN A    56                                                      
REMARK 465     SER A    57                                                      
REMARK 465     GLY A    58                                                      
REMARK 465     ILE A    59                                                      
REMARK 465     ILE A    60                                                      
REMARK 465     ARG A    61                                                      
REMARK 465     VAL A    62                                                      
REMARK 465     GLN A    63                                                      
REMARK 465     ILE A    64                                                      
REMARK 465     ASN A    65                                                      
REMARK 465     SER A    66                                                      
REMARK 465     ARG A    67                                                      
REMARK 465     PHE A    68                                                      
REMARK 465     ALA A    94                                                      
REMARK 465     ASP A    95                                                      
REMARK 465     ALA A    96                                                      
REMARK 465     SER B    52                                                      
REMARK 465     LYS B    53                                                      
REMARK 465     GLY B    54                                                      
REMARK 465     HIS B    55                                                      
REMARK 465     GLN B    56                                                      
REMARK 465     SER B    57                                                      
REMARK 465     GLY B    58                                                      
REMARK 465     ILE B    59                                                      
REMARK 465     ILE B    60                                                      
REMARK 465     ARG B    61                                                      
REMARK 465     VAL B    62                                                      
REMARK 465     GLN B    63                                                      
REMARK 465     ILE B    64                                                      
REMARK 465     ASN B    65                                                      
REMARK 465     SER B    66                                                      
REMARK 465     ARG B    67                                                      
REMARK 465     ALA B    94                                                      
REMARK 465     ASP B    95                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
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   O    HOH A   632     O    HOH A   724              1.88            
REMARK 500   O    HOH A   711     O    HOH B   619              2.05            
REMARK 500   O    HOH B   504     O    HOH B   627              2.12            
REMARK 500   O    HOH A   616     O    HOH A   704              2.14            
REMARK 500   O    GLU A    69     OE1  GLU A    73              2.15            
REMARK 500   O    HOH B   611     O    HOH B   651              2.16            
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    ARG A  80   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ARG B  80   NE  -  CZ  -  NH1 ANGL. DEV. =   4.5 DEGREES          
REMARK 500    ARG B  80   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.6 DEGREES          
REMARK 500    ARG B 101   NE  -  CZ  -  NH1 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG B 101   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.5 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    VAL A 153      -66.71     43.72                                   
REMARK 500    VAL A 153      -66.71     -1.66                                   
REMARK 500    GLN A 216     -120.97     48.01                                   
REMARK 500    ALA A 283      140.94   -170.45                                   
REMARK 500    GLU B  69     -112.98    101.69                                   
REMARK 500    VAL B 153      -74.04     43.99                                   
REMARK 500    VAL B 153      -74.04      5.72                                   
REMARK 500    GLN B 216     -126.07     49.11                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4L4Y   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L4Z   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L50   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L5I   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4L5J   RELATED DB: PDB                                   
DBREF  4L51 A   53   317  UNP    P76141   LSRR_ECOLI      53    317             
DBREF  4L51 B   53   317  UNP    P76141   LSRR_ECOLI      53    317             
SEQADV 4L51 SER A   52  UNP  P76141              EXPRESSION TAG                 
SEQADV 4L51 SER B   52  UNP  P76141              EXPRESSION TAG                 
SEQRES   1 A  266  SER LYS GLY HIS GLN SER GLY ILE ILE ARG VAL GLN ILE          
SEQRES   2 A  266  ASN SER ARG PHE GLU GLY CYS LEU GLU TYR GLU THR GLN          
SEQRES   3 A  266  LEU ARG ARG GLN PHE SER LEU GLN HIS VAL ARG VAL ILE          
SEQRES   4 A  266  PRO GLY LEU ALA ASP ALA ASP VAL GLY GLY ARG LEU GLY          
SEQRES   5 A  266  ILE GLY ALA ALA HIS MET LEU MET SER LEU LEU GLN PRO          
SEQRES   6 A  266  GLN GLN MET LEU ALA ILE GLY PHE GLY GLU ALA THR MET          
SEQRES   7 A  266  ASN THR LEU GLN ARG LEU SER GLY PHE ILE SER SER GLN          
SEQRES   8 A  266  GLN ILE ARG LEU VAL THR LEU SER GLY GLY VAL GLY SER          
SEQRES   9 A  266  TYR MET THR GLY ILE GLY GLN LEU ASN ALA ALA CYS SER          
SEQRES  10 A  266  VAL ASN ILE ILE PRO ALA PRO LEU ARG ALA SER SER ALA          
SEQRES  11 A  266  ASP ILE ALA ARG THR LEU LYS ASN GLU ASN CYS VAL LYS          
SEQRES  12 A  266  ASP VAL LEU LEU ALA ALA GLN ALA ALA ASP VAL ALA ILE          
SEQRES  13 A  266  VAL GLY ILE GLY ALA VAL SER GLN GLN ASP ASP ALA THR          
SEQRES  14 A  266  ILE ILE ARG SER GLY TYR ILE SER GLN GLY GLU GLN LEU          
SEQRES  15 A  266  MET ILE GLY ARG LYS GLY ALA VAL GLY ASP ILE LEU GLY          
SEQRES  16 A  266  TYR PHE PHE ASP ALA LYS GLY ASP VAL VAL THR ASN ILE          
SEQRES  17 A  266  LYS ILE HIS ASN GLU LEU ILE GLY LEU PRO LEU SER ALA          
SEQRES  18 A  266  LEU LYS THR ILE PRO VAL ARG VAL GLY VAL ALA GLY GLY          
SEQRES  19 A  266  GLU ASN LYS ALA GLU ALA ILE ALA ALA ALA MET LYS GLY          
SEQRES  20 A  266  GLY TYR ILE ASN ALA LEU VAL THR ASP GLN ASP THR ALA          
SEQRES  21 A  266  ALA ALA ILE LEU ARG SER                                      
SEQRES   1 B  266  SER LYS GLY HIS GLN SER GLY ILE ILE ARG VAL GLN ILE          
SEQRES   2 B  266  ASN SER ARG PHE GLU GLY CYS LEU GLU TYR GLU THR GLN          
SEQRES   3 B  266  LEU ARG ARG GLN PHE SER LEU GLN HIS VAL ARG VAL ILE          
SEQRES   4 B  266  PRO GLY LEU ALA ASP ALA ASP VAL GLY GLY ARG LEU GLY          
SEQRES   5 B  266  ILE GLY ALA ALA HIS MET LEU MET SER LEU LEU GLN PRO          
SEQRES   6 B  266  GLN GLN MET LEU ALA ILE GLY PHE GLY GLU ALA THR MET          
SEQRES   7 B  266  ASN THR LEU GLN ARG LEU SER GLY PHE ILE SER SER GLN          
SEQRES   8 B  266  GLN ILE ARG LEU VAL THR LEU SER GLY GLY VAL GLY SER          
SEQRES   9 B  266  TYR MET THR GLY ILE GLY GLN LEU ASN ALA ALA CYS SER          
SEQRES  10 B  266  VAL ASN ILE ILE PRO ALA PRO LEU ARG ALA SER SER ALA          
SEQRES  11 B  266  ASP ILE ALA ARG THR LEU LYS ASN GLU ASN CYS VAL LYS          
SEQRES  12 B  266  ASP VAL LEU LEU ALA ALA GLN ALA ALA ASP VAL ALA ILE          
SEQRES  13 B  266  VAL GLY ILE GLY ALA VAL SER GLN GLN ASP ASP ALA THR          
SEQRES  14 B  266  ILE ILE ARG SER GLY TYR ILE SER GLN GLY GLU GLN LEU          
SEQRES  15 B  266  MET ILE GLY ARG LYS GLY ALA VAL GLY ASP ILE LEU GLY          
SEQRES  16 B  266  TYR PHE PHE ASP ALA LYS GLY ASP VAL VAL THR ASN ILE          
SEQRES  17 B  266  LYS ILE HIS ASN GLU LEU ILE GLY LEU PRO LEU SER ALA          
SEQRES  18 B  266  LEU LYS THR ILE PRO VAL ARG VAL GLY VAL ALA GLY GLY          
SEQRES  19 B  266  GLU ASN LYS ALA GLU ALA ILE ALA ALA ALA MET LYS GLY          
SEQRES  20 B  266  GLY TYR ILE ASN ALA LEU VAL THR ASP GLN ASP THR ALA          
SEQRES  21 B  266  ALA ALA ILE LEU ARG SER                                      
HET    HSX  A 501      14                                                       
HET    HSX  B 401      14                                                       
HETNAM     HSX 5-O-PHOSPHONO-ALPHA-D-RIBOFURANOSE                               
HETSYN     HSX 5-O-PHOSPHONO-ALPHA-D-RIBOSE; 5-O-PHOSPHONO-D-RIBOSE;            
HETSYN   2 HSX  5-O-PHOSPHONO-RIBOSE                                            
FORMUL   3  HSX    2(C5 H11 O8 P)                                               
FORMUL   5  HOH   *328(H2 O)                                                    
HELIX    1   1 GLU A   69  SER A   83  1                                  15    
HELIX    2   2 VAL A   98  LEU A  114  1                                  17    
HELIX    3   3 GLY A  125  GLN A  142  1                                  18    
HELIX    4   4 VAL A  153  SER A  155  5                                   3    
HELIX    5   5 TYR A  156  GLY A  161  1                                   6    
HELIX    6   6 SER A  180  ASN A  189  1                                  10    
HELIX    7   7 GLU A  190  ALA A  202  1                                  13    
HELIX    8   8 SER A  214  ASP A  218  5                                   5    
HELIX    9   9 ALA A  219  SER A  224  1                                   6    
HELIX   10  10 SER A  228  LYS A  238  1                                  11    
HELIX   11  11 ILE A  259  LEU A  265  5                                   7    
HELIX   12  12 PRO A  269  LYS A  274  1                                   6    
HELIX   13  13 GLY A  285  ASN A  287  5                                   3    
HELIX   14  14 LYS A  288  GLY A  298  1                                  11    
HELIX   15  15 GLN A  308  SER A  317  1                                  10    
HELIX   16  16 GLU B   69  PHE B   82  1                                  14    
HELIX   17  17 ASP B   97  LEU B  114  1                                  18    
HELIX   18  18 GLY B  125  LEU B  135  1                                  11    
HELIX   19  19 LEU B  135  GLN B  142  1                                   8    
HELIX   20  20 VAL B  153  SER B  155  5                                   3    
HELIX   21  21 TYR B  156  GLY B  161  1                                   6    
HELIX   22  22 SER B  180  GLU B  190  1                                  11    
HELIX   23  23 GLU B  190  ALA B  202  1                                  13    
HELIX   24  24 SER B  214  ASP B  218  5                                   5    
HELIX   25  25 ALA B  219  SER B  224  1                                   6    
HELIX   26  26 SER B  228  LYS B  238  1                                  11    
HELIX   27  27 ILE B  259  LEU B  265  5                                   7    
HELIX   28  28 PRO B  269  LYS B  274  1                                   6    
HELIX   29  29 GLY B  285  ASN B  287  5                                   3    
HELIX   30  30 LYS B  288  GLY B  298  1                                  11    
HELIX   31  31 GLN B  308  SER B  317  1                                  10    
SHEET    1   A 7 HIS A  86  ILE A  90  0                                        
SHEET    2   A 7 ALA A 303  ASP A 307  1  O  LEU A 304   N  ARG A  88           
SHEET    3   A 7 VAL A 278  VAL A 282  1  N  GLY A 281   O  ALA A 303           
SHEET    4   A 7 VAL A 205  VAL A 208  1  N  ALA A 206   O  VAL A 280           
SHEET    5   A 7 MET A 119  ILE A 122  1  N  ALA A 121   O  VAL A 205           
SHEET    6   A 7 ARG A 145  THR A 148  1  O  ARG A 145   N  LEU A 120           
SHEET    7   A 7 VAL A 169  ASN A 170  1  O  ASN A 170   N  LEU A 146           
SHEET    1   B 3 GLY A 211  ALA A 212  0                                        
SHEET    2   B 3 ALA A 240  ILE A 244 -1  O  ASP A 243   N  GLY A 211           
SHEET    3   B 3 TYR A 247  ASP A 250 -1  O  PHE A 249   N  VAL A 241           
SHEET    1   C 7 HIS B  86  ILE B  90  0                                        
SHEET    2   C 7 ALA B 303  ASP B 307  1  O  THR B 306   N  ILE B  90           
SHEET    3   C 7 VAL B 278  VAL B 282  1  N  GLY B 281   O  ALA B 303           
SHEET    4   C 7 VAL B 205  VAL B 208  1  N  ALA B 206   O  VAL B 280           
SHEET    5   C 7 MET B 119  ILE B 122  1  N  ALA B 121   O  VAL B 205           
SHEET    6   C 7 ARG B 145  THR B 148  1  O  ARG B 145   N  LEU B 120           
SHEET    7   C 7 VAL B 169  ASN B 170  1  O  ASN B 170   N  LEU B 146           
SHEET    1   D 3 GLY B 211  ALA B 212  0                                        
SHEET    2   D 3 ALA B 240  ILE B 244 -1  O  ASP B 243   N  GLY B 211           
SHEET    3   D 3 TYR B 247  ASP B 250 -1  O  PHE B 249   N  VAL B 241           
CRYST1  116.613  116.613   79.744  90.00  90.00 120.00 P 65         12          
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      0.008575  0.004951  0.000000        0.00000                         
SCALE2      0.000000  0.009902  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012540        0.00000