PDB Short entry for 1PW4
HEADER    MEMBRANE PROTEIN                        30-JUN-03   1PW4              
TITLE     CRYSTAL STRUCTURE OF THE GLYCEROL-3-PHOSPHATE TRANSPORTER             
TITLE    2 FROM E.COLI                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GLYCEROL-3-PHOSPHATE TRANSPORTER;                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: G-3-P TRANSPORTER, G-3-P PERMEASE;                          
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: GLPT;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: LMG194;                                    
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PBAD                                      
KEYWDS    GLYCEROL-3-PHOSPHATE, TRANSMEMBRANE, INNER MEMBRANE,                  
KEYWDS   2 TRANSPORTER, MAJOR FACILITATOR SUPERFAMILY, SECONDARY                
KEYWDS   3 ACTIVE MEMBRANE TRANSPORTER, MEMBRANE PROTEIN                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.HUANG,M.J.LEMIEUX,J.SONG,M.AUER,D.N.WANG                            
REVDAT   2   24-FEB-09 1PW4    1       VERSN                                    
REVDAT   1   05-AUG-03 1PW4    0                                                
JRNL        AUTH   Y.HUANG,M.J.LEMIEUX,J.SONG,M.AUER,D.N.WANG                   
JRNL        TITL   STRUCTURE AND MECHANISM OF THE                               
JRNL        TITL 2 GLYCEROL-3-PHOSPHATE TRANSPORTER FROM ESCHERICHIA            
JRNL        TITL 3 COLI                                                         
JRNL        REF    SCIENCE                       V. 301   616 2003              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   12893936                                                     
JRNL        DOI    10.1126/SCIENCE.1087619                                      
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,             
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 15.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 95.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 14233                          
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) : 0.296                           
REMARK   3   FREE R VALUE                     : 0.325                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 720                             
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            : 3403                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 0                                       
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.13600                                              
REMARK   3    B22 (A**2) : 1.13600                                              
REMARK   3    B33 (A**2) : -2.27200                                             
REMARK   3    B12 (A**2) : 8.60500                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
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) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : 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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1PW4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUL-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB019623.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-FEB-03; 28-JUN-02               
REMARK 200  TEMPERATURE           (KELVIN) : NULL; NULL                         
REMARK 200  PH                             : 8.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : NSLS; APS                          
REMARK 200  BEAMLINE                       : X25; 19-ID                         
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9789, 1.214; 0.9791              
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315; SBC-2            
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14870                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.800                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 7.700                              
REMARK 200  R MERGE                    (I) : 0.08800                            
REMARK 200  R SYM                      (I) : 0.06000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.36                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 93.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.46900                            
REMARK 200  R SYM FOR SHELL            (I) : 0.38600                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL                        
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIRAS                        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 74.35                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.79                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG2K MME, 20% GLYCEROL, 5%          
REMARK 280  MPD, 0.1M TRIS PH8.7, 1MM DTT, 5MM NAAC, VAPOR DIFFUSION,           
REMARK 280  HANGING DROP, TEMPERATURE 293K                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
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   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-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      116.76733            
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       58.38367            
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       58.38367            
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      116.76733            
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: FUNCTION AS MONOMER, ONE MOLECULE PER ASYMMETRIC UNIT.       
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     GLY A     2                                                      
REMARK 465     SER A     3                                                      
REMARK 465     ILE A     4                                                      
REMARK 465     TYR A   227                                                      
REMARK 465     PRO A   228                                                      
REMARK 465     ASP A   229                                                      
REMARK 465     ASP A   230                                                      
REMARK 465     TYR A   231                                                      
REMARK 465     ASN A   232                                                      
REMARK 465     GLU A   233                                                      
REMARK 465     LYS A   234                                                      
REMARK 465     ALA A   235                                                      
REMARK 465     GLU A   236                                                      
REMARK 465     GLN A   237                                                      
REMARK 465     GLU A   238                                                      
REMARK 465     LEU A   239                                                      
REMARK 465     ARG A   452                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    ALA A 164   C     HIS A 165   N       0.352                       
REMARK 500    HIS A 165   C     ASN A 166   N      -0.187                       
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    PRO A   7   C   -  N   -  CA  ANGL. DEV. =  16.9 DEGREES          
REMARK 500    PRO A   7   C   -  N   -  CD  ANGL. DEV. = -16.0 DEGREES          
REMARK 500    LYS A  46   CB  -  CA  -  C   ANGL. DEV. =  13.0 DEGREES          
REMARK 500    LYS A  46   C   -  N   -  CA  ANGL. DEV. = -34.9 DEGREES          
REMARK 500    PRO A  53   C   -  N   -  CA  ANGL. DEV. =  -9.4 DEGREES          
REMARK 500    GLU A  57   N   -  CA  -  C   ANGL. DEV. = -24.0 DEGREES          
REMARK 500    GLY A  63   N   -  CA  -  C   ANGL. DEV. = -21.0 DEGREES          
REMARK 500    VAL A 122   N   -  CA  -  C   ANGL. DEV. = -20.9 DEGREES          
REMARK 500    HIS A 165   C   -  N   -  CA  ANGL. DEV. = -22.5 DEGREES          
REMARK 500    HIS A 165   O   -  C   -  N   ANGL. DEV. = -12.6 DEGREES          
REMARK 500    PRO A 219   C   -  N   -  CA  ANGL. DEV. = -10.1 DEGREES          
REMARK 500    PRO A 251   C   -  N   -  CA  ANGL. DEV. = -17.6 DEGREES          
REMARK 500    VAL A 450   N   -  CA  -  C   ANGL. DEV. =  17.6 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    PRO A   7      139.13    -33.09                                   
REMARK 500    PRO A  15      -70.20    -23.65                                   
REMARK 500    ALA A  17       87.08     61.35                                   
REMARK 500    GLU A  18       62.34     88.75                                   
REMARK 500    PHE A  60      -70.63    -37.86                                   
REMARK 500    LEU A 100      -80.44    -47.06                                   
REMARK 500    ILE A 120       72.99     71.44                                   
REMARK 500    ALA A 121       24.09     85.57                                   
REMARK 500    MET A 145      -18.30    -49.77                                   
REMARK 500    TRP A 148      -85.26    -78.58                                   
REMARK 500    TRP A 149      118.46   -176.90                                   
REMARK 500    ASN A 184      -46.16     -5.16                                   
REMARK 500    PRO A 219      104.71    -51.44                                   
REMARK 500    ILE A 220      -79.56   -105.93                                   
REMARK 500    GLU A 221       -1.74     32.85                                   
REMARK 500    GLU A 222       -8.46   -156.30                                   
REMARK 500    LYS A 242      -40.94    -28.65                                   
REMARK 500    GLN A 243      -52.12    -22.35                                   
REMARK 500    PRO A 251      -72.57    -84.79                                   
REMARK 500    ASN A 252       55.08     32.90                                   
REMARK 500    LYS A 253      -25.64    -38.71                                   
REMARK 500    PHE A 286      -60.08    -91.95                                   
REMARK 500    ALA A 344       22.84    -68.34                                   
REMARK 500    LYS A 378      -67.53    -26.03                                   
REMARK 500    LEU A 394      -72.38    -47.09                                   
REMARK 500    SER A 401      -61.76    -98.75                                   
REMARK 500    ALA A 402      -70.01    -66.74                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR A 298         0.07    SIDE_CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER                       
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    HIS A  10         10.78                                           
REMARK 500    GLY A  99         11.24                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 650                                                                      
REMARK 650 HELIX                                                                
REMARK 650 DETERMINATION METHOD: AUTHOR                                         
DBREF  1PW4 A    3   448  UNP    P08194   GLPT_ECOLI       3    448             
SEQADV 1PW4 GLY A    2  UNP  P08194              CLONING ARTIFACT               
SEQADV 1PW4 LEU A  449  UNP  P08194              CLONING ARTIFACT               
SEQADV 1PW4 VAL A  450  UNP  P08194              CLONING ARTIFACT               
SEQADV 1PW4 PRO A  451  UNP  P08194              CLONING ARTIFACT               
SEQADV 1PW4 ARG A  452  UNP  P08194              CLONING ARTIFACT               
SEQRES   1 A  451  GLY SER ILE PHE LYS PRO ALA PRO HIS LYS ALA ARG LEU          
SEQRES   2 A  451  PRO ALA ALA GLU ILE ASP PRO THR TYR ARG ARG LEU ARG          
SEQRES   3 A  451  TRP GLN ILE PHE LEU GLY ILE PHE PHE GLY TYR ALA ALA          
SEQRES   4 A  451  TYR TYR LEU VAL ARG LYS ASN PHE ALA LEU ALA MET PRO          
SEQRES   5 A  451  TYR LEU VAL GLU GLN GLY PHE SER ARG GLY ASP LEU GLY          
SEQRES   6 A  451  PHE ALA LEU SER GLY ILE SER ILE ALA TYR GLY PHE SER          
SEQRES   7 A  451  LYS PHE ILE MET GLY SER VAL SER ASP ARG SER ASN PRO          
SEQRES   8 A  451  ARG VAL PHE LEU PRO ALA GLY LEU ILE LEU ALA ALA ALA          
SEQRES   9 A  451  VAL MET LEU PHE MET GLY PHE VAL PRO TRP ALA THR SER          
SEQRES  10 A  451  SER ILE ALA VAL MET PHE VAL LEU LEU PHE LEU CYS GLY          
SEQRES  11 A  451  TRP PHE GLN GLY MET GLY TRP PRO PRO CYS GLY ARG THR          
SEQRES  12 A  451  MET VAL HIS TRP TRP SER GLN LYS GLU ARG GLY GLY ILE          
SEQRES  13 A  451  VAL SER VAL TRP ASN CYS ALA HIS ASN VAL GLY GLY GLY          
SEQRES  14 A  451  ILE PRO PRO LEU LEU PHE LEU LEU GLY MET ALA TRP PHE          
SEQRES  15 A  451  ASN ASP TRP HIS ALA ALA LEU TYR MET PRO ALA PHE CYS          
SEQRES  16 A  451  ALA ILE LEU VAL ALA LEU PHE ALA PHE ALA MET MET ARG          
SEQRES  17 A  451  ASP THR PRO GLN SER CYS GLY LEU PRO PRO ILE GLU GLU          
SEQRES  18 A  451  TYR LYS ASN ASP TYR PRO ASP ASP TYR ASN GLU LYS ALA          
SEQRES  19 A  451  GLU GLN GLU LEU THR ALA LYS GLN ILE PHE MET GLN TYR          
SEQRES  20 A  451  VAL LEU PRO ASN LYS LEU LEU TRP TYR ILE ALA ILE ALA          
SEQRES  21 A  451  ASN VAL PHE VAL TYR LEU LEU ARG TYR GLY ILE LEU ASP          
SEQRES  22 A  451  TRP SER PRO THR TYR LEU LYS GLU VAL LYS HIS PHE ALA          
SEQRES  23 A  451  LEU ASP LYS SER SER TRP ALA TYR PHE LEU TYR GLU TYR          
SEQRES  24 A  451  ALA GLY ILE PRO GLY THR LEU LEU CYS GLY TRP MET SER          
SEQRES  25 A  451  ASP LYS VAL PHE ARG GLY ASN ARG GLY ALA THR GLY VAL          
SEQRES  26 A  451  PHE PHE MET THR LEU VAL THR ILE ALA THR ILE VAL TYR          
SEQRES  27 A  451  TRP MET ASN PRO ALA GLY ASN PRO THR VAL ASP MET ILE          
SEQRES  28 A  451  CYS MET ILE VAL ILE GLY PHE LEU ILE TYR GLY PRO VAL          
SEQRES  29 A  451  MET LEU ILE GLY LEU HIS ALA LEU GLU LEU ALA PRO LYS          
SEQRES  30 A  451  LYS ALA ALA GLY THR ALA ALA GLY PHE THR GLY LEU PHE          
SEQRES  31 A  451  GLY TYR LEU GLY GLY SER VAL ALA ALA SER ALA ILE VAL          
SEQRES  32 A  451  GLY TYR THR VAL ASP PHE PHE GLY TRP ASP GLY GLY PHE          
SEQRES  33 A  451  MET VAL MET ILE GLY GLY SER ILE LEU ALA VAL ILE LEU          
SEQRES  34 A  451  LEU ILE VAL VAL MET ILE GLY GLU LYS ARG ARG HIS GLU          
SEQRES  35 A  451  GLN LEU LEU GLN GLU LEU VAL PRO ARG                          
HELIX    1   1 ASP A   20  GLU A   57  1                                  38    
HELIX    2   2 ASP A   64  ASP A   88  1                                  25    
HELIX    3   3 VAL A   94  PHE A  112  1                                  19    
HELIX    4   4 ALA A  121  HIS A  147  1                                  27    
HELIX    5   5 GLU A  153  MET A  180  1                                  28    
HELIX    6   6 LEU A  190  MET A  207  1                                  18    
HELIX    7   7 GLN A  243  VAL A  249  1                                   7    
HELIX    8   8 LYS A  253  GLU A  282  1                                  30    
HELIX    9   9 LEU A  288  VAL A  316  1                                  29    
HELIX   10  10 GLY A  322  MET A  341  1                                  20    
HELIX   11  11 PRO A  347  GLU A  374  1                                  28    
HELIX   12  12 ALA A  380  ASP A  409  1                                  30    
HELIX   13  13 GLY A  415  LEU A  449  1                                  35    
HELIX   14  14 PRO A  114  SER A  118  1                                   5    
CISPEP   1 LYS A    6    PRO A    7          0        -1.40                     
CRYST1   97.640   97.640  175.151  90.00  90.00 120.00 P 32 2 1      6          
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      0.010242  0.005913  0.000000        0.00000                         
SCALE2      0.000000  0.011826  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005709        0.00000