HEADER    TRANSPORT PROTEIN                       24-NOV-03   1USG              
TITLE     L-LEUCINE-BINDING PROTEIN, APO FORM                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LEUCINE-SPECIFIC BINDING PROTEIN;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: L-LEUCINE-BINDING PROTEIN, LS-BP, L-BP;                     
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PKSTY                                     
KEYWDS    LEUCINE-BINDING PROTEIN, PROTEIN STRUCTURE, ABC TRANSPORT SYSTEMS,    
KEYWDS   2 TRANSPORT PROTEIN                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    U.MAGNUSSON,B.SALOPEK-SONDI,L.A.LUCK,S.L.MOWBRAY                      
REVDAT   6   16-OCT-24 1USG    1       REMARK                                   
REVDAT   5   13-DEC-23 1USG    1       REMARK                                   
REVDAT   4   17-JAN-18 1USG    1       REMARK                                   
REVDAT   3   24-FEB-09 1USG    1       VERSN                                    
REVDAT   2   04-MAR-04 1USG    1       JRNL                                     
REVDAT   1   18-DEC-03 1USG    0                                                
JRNL        AUTH   U.MAGNUSSON,B.SALOPEK-SONDI,L.A.LUCK,S.L.MOWBRAY             
JRNL        TITL   X-RAY STRUCTURES OF THE LEUCINE-BINDING PROTEIN ILLUSTRATE   
JRNL        TITL 2 CONFORMATIONAL CHANGES AND THE BASIS OF LIGAND SPECIFICITY   
JRNL        REF    J.BIOL.CHEM.                  V. 279  8747 2004              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   14672931                                                     
JRNL        DOI    10.1074/JBC.M311890200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.53 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.1.19                                        
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) : 1.53                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 32.62                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 46029                          
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) : 0.191                           
REMARK   3   R VALUE            (WORKING SET) : 0.189                           
REMARK   3   FREE R VALUE                     : 0.216                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2480                            
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) : 1.53                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.57                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3314                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1710                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 166                          
REMARK   3   BIN FREE R VALUE                    : 0.2240                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2596                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 179                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.21                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.86000                                             
REMARK   3    B22 (A**2) : 0.80000                                              
REMARK   3    B33 (A**2) : -0.81000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.63000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.083         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.083         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.051         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.325         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.956                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.947                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2645 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  2364 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3579 ; 1.560 ; 1.957       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  5532 ; 0.762 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   344 ; 5.507 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   389 ; 0.094 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3012 ; 0.008 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   494 ; 0.005 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   543 ; 0.227 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2704 ; 0.257 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1475 ; 0.089 ; 0.500       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   239 ; 0.160 ; 0.500       
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):    11 ; 0.522 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    35 ; 0.220 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    19 ; 0.140 ; 0.500       
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):  1702 ; 1.350 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2709 ; 2.175 ; 3.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   943 ; 1.974 ; 2.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   870 ; 3.266 ; 3.000       
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 : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 1USG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-NOV-03.                  
REMARK 100 THE DEPOSITION ID IS D_1290014044.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.00                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : MAX II                             
REMARK 200  BEAMLINE                       : I711                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.937                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 48509                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.530                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 32.600                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 95.7                               
REMARK 200  DATA REDUNDANCY                : 3.200                              
REMARK 200  R MERGE                    (I) : 0.04600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.53                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.56                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.17700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 2LBP                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 5000, SODIUM ACETATE PH 4.6,         
REMARK 280  AMMONIUM SULPHATE, COCL2., PH 8.00                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
REMARK 290       4555   -X+1/2,Y+1/2,-Z                                         
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 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       45.70500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       39.60000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       45.70500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       39.60000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
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 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: PQS                                                   
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 350   BIOMT1   2 -1.000000  0.000000  0.000000       91.41000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 A COMPONENT OF THE LEUCINE-SPECIFIC TRANSPORT SYSTEM, WHICH          
REMARK 400  IS ONE OF TWO PERIPLASMIC BINDING PROTEIN-DEPENDENT TRANSPORT       
REMARK 400  SYSTEMS OF THE HIGH-AFFINITY TRANSPORT OF THE BRANCHED-CHAIN        
REMARK 400  AMINO ACIDS IN E.COLI.                                              
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     LYS A 346    CA   C    O    CB   CG   CD   CE                    
REMARK 470     LYS A 346    NZ                                                  
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   OD1  ASP A   173     O    HOH A  2095              1.97            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   OD2  ASP A   263     CD   GLU A   298     4656     2.15            
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    ASP A   2   CB  -  CG  -  OD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    ASP A  54   CB  -  CG  -  OD2 ANGL. DEV. =   6.1 DEGREES          
REMARK 500    ARG A 140   NE  -  CZ  -  NH1 ANGL. DEV. =   3.2 DEGREES          
REMARK 500    ASP A 271   CB  -  CG  -  OD2 ANGL. DEV. =   6.3 DEGREES          
REMARK 500    ASP A 339   CB  -  CG  -  OD2 ANGL. DEV. =   5.8 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    ASN A 103       83.55     68.02                                   
REMARK 500    ALA A 345       -7.38     50.48                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1USI   RELATED DB: PDB                                   
REMARK 900 L-LEUCINE-BINDING PROTEIN WITH PHENYLALANINE BOUND                   
REMARK 900 RELATED ID: 1USK   RELATED DB: PDB                                   
REMARK 900 L-LEUCINE-BINDING PROTEIN WITH LEUCINE BOUND                         
REMARK 900 RELATED ID: 2LBP   RELATED DB: PDB                                   
DBREF  1USG A    1   346  UNP    P04816   LIVK_ECOLI      24    369             
SEQADV 1USG LYS A  344  UNP  P04816    ALA   367 CONFLICT                       
SEQRES   1 A  346  ASP ASP ILE LYS VAL ALA VAL VAL GLY ALA MET SER GLY          
SEQRES   2 A  346  PRO ILE ALA GLN TRP GLY ASP MET GLU PHE ASN GLY ALA          
SEQRES   3 A  346  ARG GLN ALA ILE LYS ASP ILE ASN ALA LYS GLY GLY ILE          
SEQRES   4 A  346  LYS GLY ASP LYS LEU VAL GLY VAL GLU TYR ASP ASP ALA          
SEQRES   5 A  346  CYS ASP PRO LYS GLN ALA VAL ALA VAL ALA ASN LYS ILE          
SEQRES   6 A  346  VAL ASN ASP GLY ILE LYS TYR VAL ILE GLY HIS LEU CYS          
SEQRES   7 A  346  SER SER SER THR GLN PRO ALA SER ASP ILE TYR GLU ASP          
SEQRES   8 A  346  GLU GLY ILE LEU MET ILE SER PRO GLY ALA THR ASN PRO          
SEQRES   9 A  346  GLU LEU THR GLN ARG GLY TYR GLN HIS ILE MET ARG THR          
SEQRES  10 A  346  ALA GLY LEU ASP SER SER GLN GLY PRO THR ALA ALA LYS          
SEQRES  11 A  346  TYR ILE LEU GLU THR VAL LYS PRO GLN ARG ILE ALA ILE          
SEQRES  12 A  346  ILE HIS ASP LYS GLN GLN TYR GLY GLU GLY LEU ALA ARG          
SEQRES  13 A  346  SER VAL GLN ASP GLY LEU LYS ALA ALA ASN ALA ASN VAL          
SEQRES  14 A  346  VAL PHE PHE ASP GLY ILE THR ALA GLY GLU LYS ASP PHE          
SEQRES  15 A  346  SER ALA LEU ILE ALA ARG LEU LYS LYS GLU ASN ILE ASP          
SEQRES  16 A  346  PHE VAL TYR TYR GLY GLY TYR TYR PRO GLU MET GLY GLN          
SEQRES  17 A  346  MET LEU ARG GLN ALA ARG SER VAL GLY LEU LYS THR GLN          
SEQRES  18 A  346  PHE MET GLY PRO GLU GLY VAL GLY ASN ALA SER LEU SER          
SEQRES  19 A  346  ASN ILE ALA GLY ASP ALA ALA GLU GLY MET LEU VAL THR          
SEQRES  20 A  346  MET PRO LYS ARG TYR ASP GLN ASP PRO ALA ASN GLN GLY          
SEQRES  21 A  346  ILE VAL ASP ALA LEU LYS ALA ASP LYS LYS ASP PRO SER          
SEQRES  22 A  346  GLY PRO TYR VAL TRP ILE THR TYR ALA ALA VAL GLN SER          
SEQRES  23 A  346  LEU ALA THR ALA LEU GLU ARG THR GLY SER ASP GLU PRO          
SEQRES  24 A  346  LEU ALA LEU VAL LYS ASP LEU LYS ALA ASN GLY ALA ASN          
SEQRES  25 A  346  THR VAL ILE GLY PRO LEU ASN TRP ASP GLU LYS GLY ASP          
SEQRES  26 A  346  LEU LYS GLY PHE ASP PHE GLY VAL PHE GLN TRP HIS ALA          
SEQRES  27 A  346  ASP GLY SER SER THR LYS ALA LYS                              
FORMUL   2  HOH   *179(H2 O)                                                    
HELIX    1   1 ILE A   15  LYS A   36  1                                  22    
HELIX    2   2 ASP A   54  ASP A   68  1                                  15    
HELIX    3   3 CYS A   78  GLY A   93  1                                  16    
HELIX    4   4 ASN A  103  GLN A  108  5                                   6    
HELIX    5   5 LEU A  120  SER A  122  5                                   3    
HELIX    6   6 SER A  123  THR A  135  1                                  13    
HELIX    7   7 GLN A  148  ALA A  165  1                                  18    
HELIX    8   8 PHE A  182  GLU A  192  1                                  11    
HELIX    9   9 TYR A  202  VAL A  216  1                                  15    
HELIX   10  10 PRO A  225  GLY A  229  5                                   5    
HELIX   11  11 SER A  232  GLY A  238  1                                   7    
HELIX   12  12 ASP A  239  GLU A  242  5                                   4    
HELIX   13  13 ARG A  251  ASP A  255  5                                   5    
HELIX   14  14 ASP A  255  ALA A  257  5                                   3    
HELIX   15  15 ASN A  258  ASP A  268  1                                  11    
HELIX   16  16 GLY A  274  GLY A  295  1                                  22    
HELIX   17  17 GLU A  298  GLY A  310  1                                  13    
SHEET    1  AA 5 LEU A  44  ASP A  50  0                                        
SHEET    2  AA 5 ILE A   3  GLY A   9  1  O  ILE A   3   N  VAL A  45           
SHEET    3  AA 5 TYR A  72  ILE A  74  1  O  TYR A  72   N  ALA A   6           
SHEET    4  AA 5 LEU A  95  SER A  98  1  O  LEU A  95   N  VAL A  73           
SHEET    5  AA 5 ILE A 114  ARG A 116  1  O  MET A 115   N  SER A  98           
SHEET    1  AB 7 VAL A 169  GLY A 174  0                                        
SHEET    2  AB 7 ILE A 141  HIS A 145  1  O  ILE A 141   N  VAL A 170           
SHEET    3  AB 7 PHE A 196  GLY A 200  1  O  PHE A 196   N  ALA A 142           
SHEET    4  AB 7 GLN A 221  GLY A 224  1  O  GLN A 221   N  VAL A 197           
SHEET    5  AB 7 LEU A 245  MET A 248  1  O  LEU A 245   N  GLY A 224           
SHEET    6  AB 7 GLY A 332  TRP A 336 -1  O  GLY A 332   N  MET A 248           
SHEET    7  AB 7 SER A 342  LYS A 344 -1  O  THR A 343   N  GLN A 335           
SHEET    1  AC 2 ALA A 311  THR A 313  0                                        
SHEET    2  AC 2 GLY A 316  LEU A 318 -1  O  GLY A 316   N  THR A 313           
SSBOND   1 CYS A   53    CYS A   78                          1555   1555  2.06  
CISPEP   1 GLY A   75    HIS A   76          0        -9.09                     
CRYST1   91.410   79.200   65.180  90.00 133.60  90.00 C 1 2 1       4          
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      0.010940  0.000000  0.010418        0.00000                         
SCALE2      0.000000  0.012626  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021186        0.00000