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Database: PDB
Entry: 4PCF
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Original site: 4PCF 
HEADER    ISOMERASE                               15-APR-14   4PCF              
TITLE     STRUCTURE-BASED PROTEIN ENGINEERING OF A MONOMERIC TRIOSEPHOSPHATE    
TITLE    2 ISOMERASE TOWARDS CHANGING SUBSTRATE SPECIFICITY                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MA18-TIM;                                                  
COMPND   3 CHAIN: A, B, C;                                                      
COMPND   4 EC: 5.3.1.1;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI BRUCEI;                      
SOURCE   3 ORGANISM_TAXID: 5702;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 511693;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21;                                      
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PMK                                       
KEYWDS    TRIOSEPHOSPHATE ISOMERASE, TIM BARREL, PROTEIN ENGINEERING, SUBSTRATE 
KEYWDS   2 SPECIFICITY, ISOMERASE                                               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.KRAUSE,P.NEUBAUER,R.K.WIERENGA                                      
REVDAT   3   27-DEC-23 4PCF    1       REMARK                                   
REVDAT   2   29-JUN-16 4PCF    1       JRNL   REMARK                            
REVDAT   1   22-APR-15 4PCF    0                                                
JRNL        AUTH   M.KRAUSE,T.R.KIEMA,P.NEUBAUER,R.K.WIERENGA                   
JRNL        TITL   CRYSTAL STRUCTURES OF TWO MONOMERIC TRIOSEPHOSPHATE          
JRNL        TITL 2 ISOMERASE VARIANTS IDENTIFIED VIA A DIRECTED-EVOLUTION       
JRNL        TITL 3 PROTOCOL SELECTING FOR L-ARABINOSE ISOMERASE ACTIVITY.       
JRNL        REF    ACTA CRYSTALLOGR.,SECT.F      V.  72   490 2016              
JRNL        REFN                   ESSN 2053-230X                               
JRNL        PMID   27303904                                                     
JRNL        DOI    10.1107/S2053230X16007548                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.71 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0049                                      
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) : 2.71                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 83.94                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 19927                          
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) : 0.237                           
REMARK   3   R VALUE            (WORKING SET) : 0.235                           
REMARK   3   FREE R VALUE                     : 0.283                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1078                            
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) : 2.71                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.78                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1370                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.10                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3120                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 60                           
REMARK   3   BIN FREE R VALUE                    : 0.3440                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5398                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 147                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 17.81                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.19000                                              
REMARK   3    B22 (A**2) : 0.01000                                              
REMARK   3    B33 (A**2) : -0.20000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.11000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.413         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.358         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 18.335        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.868                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.798                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5503 ; 0.010 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  5395 ; 0.005 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  7471 ; 1.481 ; 1.933       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 12351 ; 1.277 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   703 ; 6.406 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   223 ;33.984 ;24.350       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   917 ;19.715 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    27 ;20.444 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   866 ; 0.080 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  6254 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  1263 ; 0.004 ; 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):  2827 ; 1.125 ; 1.752       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  2826 ; 1.126 ; 1.752       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3525 ; 2.023 ; 2.621       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  3526 ; 2.022 ; 2.621       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2676 ; 0.841 ; 1.854       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  2677 ; 0.841 ; 1.855       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  3947 ; 1.548 ; 2.737       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  6499 ; 3.642 ;14.151       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  6486 ; 3.636 ;14.164       
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   NCS TYPE: LOCAL                                                    
REMARK   3   NUMBER OF DIFFERENT NCS PAIRS  : 3                                 
REMARK   3  GROUP  CHAIN1    RANGE     CHAIN2     RANGE    COUNT RMS  WEIGHT    
REMARK   3    1     A     2    249       B     2    249   12773  0.17  0.05     
REMARK   3    2     A     2    250       C     2    250   13504  0.14  0.05     
REMARK   3    3     B     2    249       C     2    249   13003  0.16  0.05     
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 4PCF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000201138.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 14-AUG-12                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : BRUKER AXS MICROSTAR               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.542                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : BRUKER PLATINUM 135                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 19927                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.710                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 83.940                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : 6.960                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.4600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.71                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.73                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 56.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.23                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.490                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.07                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.75M (NH4)2HPO4,, PH 8.2, VAPOR         
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 295K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,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       24.71000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3, 4                                              
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: B                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C                                     
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                                                                      
REMARK 350 BIOMOLECULE: 4                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3610 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 28880 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C                               
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     MET A     1                                                      
REMARK 465     GLY A    16                                                      
REMARK 465     SER A    17                                                      
REMARK 465     PRO A    18                                                      
REMARK 465     ASP A    19                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLY B    16                                                      
REMARK 465     GLN B   250                                                      
REMARK 465     MET C     1                                                      
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    ALA B     9     O    LEU B   232              1.86            
REMARK 500   O    GLY B   216     O    HOH B   321              1.89            
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 207   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 DEGREES          
REMARK 500    LEU C 189   CA  -  CB  -  CG  ANGL. DEV. =  15.7 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    ALA A  49      -62.02    145.17                                   
REMARK 500    ASP A 227      -10.25     69.60                                   
REMARK 500    LYS B  13       37.07    -89.92                                   
REMARK 500    ASP B  19      -57.46   -162.96                                   
REMARK 500    SER B  20      149.67    126.36                                   
REMARK 500    ASP B 227      -11.22     71.10                                   
REMARK 500    ALA B 233      159.05     61.16                                   
REMARK 500    LYS C  13       46.87   -161.58                                   
REMARK 500    SER C  15       78.06     90.30                                   
REMARK 500    SER C  20      160.87     91.14                                   
REMARK 500    ALA C  67       57.51   -103.07                                   
REMARK 500    ASP C 227       -9.02     70.51                                   
REMARK 500    THR C 249       30.74    -82.70                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 PRO B   18     ASP B   19                 -147.84                    
REMARK 500 GLY C   68     ASN C   69                  147.92                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5TIM   RELATED DB: PDB                                   
REMARK 900 TRIOSEPHOSPHATE ISOMERASE COMPLEX WITH SULFATE                       
REMARK 900 RELATED ID: 1TRI   RELATED DB: PDB                                   
REMARK 900 TRIOSEPHOSPHATE ISOMERASE MUTANT WITH 15 RESIDUES (68 - 82)          
REMARK 900 REPLACED BY 8 RESIDUES                                               
REMARK 900 RELATED ID: 2VEK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED ENZYME ENGINEERING EFFORTS WITH AN INACTIVE          
REMARK 900 MONOMERIC TIM VARIANT: THE IMPORTANCE OF A SINGLE POINT MUTATION     
REMARK 900 FOR GENERATING AN ACTIVE SITE WITH SUITABLE BINDING PROPERTIES       
REMARK 900 RELATED ID: 1AG1   RELATED DB: PDB                                   
REMARK 900 MONOHYDROGEN PHOSPHATE BINDING TO TRYPANOSOMAL TRIOSEPHOSPHATE       
REMARK 900 ISOMERASE                                                            
REMARK 900 RELATED ID: 1DKW   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF TRIOSE-PHOSPHATE ISOMERASE WITH MODIFIED        
REMARK 900 SUBSTRATE BINDING SITE                                               
REMARK 900 RELATED ID: 1IIG   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF TRYPANOSOMA BRUCEI BRUCEI TRIOSEPHOSPHATE ISOMERASE     
REMARK 900 COMPLEXED WITH 3- PHOSPHONOPROPIONATE                                
REMARK 900 RELATED ID: 1ML1   RELATED DB: PDB                                   
REMARK 900 PROTEIN ENGINEERING WITH MONOMERIC TRIOSEPHOSPHATEISOMERASE: THE     
REMARK 900 MODELLING AND STRUCTURE VERIFICATION OFA SEVEN RESIDUE LO            
REMARK 900 RELATED ID: 1MSS   RELATED DB: PDB                                   
REMARK 900 TRIOSEPHOSPHATE ISOMERASE MUTANT WITH PHE 45 REPLACED BY SER, VAL    
REMARK 900 46 REPLACED BY SER, AND RESIDUES 68 - 82 REPLACED BY THE             
REMARK 900 RELATED ID: 2V5L   RELATED DB: PDB                                   
REMARK 900 STRUCTURES OF THE OPEN AND CLOSED STATE OF TRYPANOSOMAL              
REMARK 900 TRIOSEPHOSPHATE ISOMERASE: AS OBSERVED IN A NEW CRYSTAL FORM:        
REMARK 900 IMPLICATIONS FOR THE REACTION MECHANISM                              
REMARK 900 RELATED ID: 6TIM   RELATED DB: PDB                                   
REMARK 900 TRIOSEPHOSPHATE ISOMERASE COMPLEX WITH GLYCEROL -3-PHOSPHATE         
REMARK 900 RELATED ID: 2VEM   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED ENZYME ENGINEERING EFFORTS WITH AN INACTIVE          
REMARK 900 MONOMERIC TIM VARIANT: THE IMPORTANCE OF A SINGLE POINT MUTATION     
REMARK 900 FOR GENERATING AN ACTIVE SITE WITH SUITABLE BINDING PROPERTIES       
REMARK 900 RELATED ID: 2VEN   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED ENZYME ENGINEERING EFFORTS WITH AN INACTIVE          
REMARK 900 MONOMERIC TIM VARIANT: THE IMPORTANCE OF A SINGLE POINT MUTATION     
REMARK 900 FOR GENERATING AN ACTIVE SITE WITH SUITABLE BINDING PROPERTIES       
REMARK 900 RELATED ID: 2VEI   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED ENZYME ENGINEERING EFFORTS WITH AN INACTIVE          
REMARK 900 MONOMERIC TIM VARIANT: THE IMPORTANCE OF A SINGLE POINT MUTATION     
REMARK 900 FOR GENERATING AN ACTIVE SITE WITH SUITABLE BINDING PROPERTIES       
REMARK 900 RELATED ID: 3TIM   RELATED DB: PDB                                   
REMARK 900 TRIOSEPHOSPHATE ISOMERASE                                            
REMARK 900 RELATED ID: 2VEL   RELATED DB: PDB                                   
REMARK 900 STRUCTURE-BASED ENZYME ENGINEERING EFFORTS WITH AN INACTIVE          
REMARK 900 MONOMERIC TIM VARIANT: THE IMPORTANCE OF A SINGLE POINT MUTATION     
REMARK 900 FOR GENERATING AN ACTIVE SITE WITH SUITABLE BINDING PROPERTIES       
REMARK 900 RELATED ID: 2V0T   RELATED DB: PDB                                   
REMARK 900 THE A178L MUTATION IN THE C-TERMINAL HINGE OF THE FLEXIBLE LOOP-6    
REMARK 900 OF TRIOSEPHOSPHATE ISOMERASE (TIM) INDUCES A MORE CLOSED             
REMARK 900 CONFORMATION OF THIS HINGE REGION IN DIMERIC AND MONOMERIC TIM       
DBREF  4PCF A    1   249  PDB    4PCF     4PCF             1    249             
DBREF  4PCF B    1   249  PDB    4PCF     4PCF             1    249             
DBREF  4PCF C    1   249  PDB    4PCF     4PCF             1    249             
SEQRES   1 A  239  MET SER LYS PRO GLN PRO ILE ALA ALA ALA ASN TRP LYS          
SEQRES   2 A  239  SER GLY SER PRO ASP SER LEU SER GLY LEU ILE ASP LEU          
SEQRES   3 A  239  PHE ASN SER THR SER ILE ASN HIS ASP VAL GLN CYS VAL          
SEQRES   4 A  239  VAL ALA SER THR PHE VAL HIS LEU ALA MET THR LYS GLU          
SEQRES   5 A  239  ARG LEU SER HIS PRO LYS PHE VAL ILE ALA ALA GLN ASN          
SEQRES   6 A  239  ALA GLY ASN THR ASP ALA LEU ALA SER LEU LYS ASP PHE          
SEQRES   7 A  239  GLY VAL ASN TRP ILE VAL LEU GLY HIS PHE GLU ARG ARG          
SEQRES   8 A  239  TRP TYR TYR GLY GLU THR ASN GLU ILE VAL ALA ASP LYS          
SEQRES   9 A  239  VAL ALA ALA ALA VAL ALA SER GLY PHE MET VAL ILE ALA          
SEQRES  10 A  239  CYS ILE GLY GLU THR LEU GLN GLU ARG GLU SER GLY ARG          
SEQRES  11 A  239  THR ALA VAL VAL VAL LEU THR GLN ILE ALA ALA ILE ALA          
SEQRES  12 A  239  LYS LYS LEU LYS LYS ALA ASP TRP ALA LYS VAL VAL ILE          
SEQRES  13 A  239  ALA TYR GLU PRO VAL TRP ALA ILE GLY THR GLY LYS VAL          
SEQRES  14 A  239  VAL THR PRO GLN GLN ALA GLN GLU ALA HIS ALA LEU ILE          
SEQRES  15 A  239  ARG SER TRP VAL SER SER LYS ILE GLY ALA ASP VAL ALA          
SEQRES  16 A  239  GLY GLU LEU ARG ILE LEU TYR GLY GLY SER VAL ASN GLY          
SEQRES  17 A  239  LYS ASN ALA ARG THR LEU TYR GLN GLN ARG ASP VAL ASN          
SEQRES  18 A  239  GLY PHE LEU ALA GLY LEU LYS PRO GLU PHE VAL ASP ILE          
SEQRES  19 A  239  ILE LYS ALA THR GLN                                          
SEQRES   1 B  239  MET SER LYS PRO GLN PRO ILE ALA ALA ALA ASN TRP LYS          
SEQRES   2 B  239  SER GLY SER PRO ASP SER LEU SER GLY LEU ILE ASP LEU          
SEQRES   3 B  239  PHE ASN SER THR SER ILE ASN HIS ASP VAL GLN CYS VAL          
SEQRES   4 B  239  VAL ALA SER THR PHE VAL HIS LEU ALA MET THR LYS GLU          
SEQRES   5 B  239  ARG LEU SER HIS PRO LYS PHE VAL ILE ALA ALA GLN ASN          
SEQRES   6 B  239  ALA GLY ASN THR ASP ALA LEU ALA SER LEU LYS ASP PHE          
SEQRES   7 B  239  GLY VAL ASN TRP ILE VAL LEU GLY HIS PHE GLU ARG ARG          
SEQRES   8 B  239  TRP TYR TYR GLY GLU THR ASN GLU ILE VAL ALA ASP LYS          
SEQRES   9 B  239  VAL ALA ALA ALA VAL ALA SER GLY PHE MET VAL ILE ALA          
SEQRES  10 B  239  CYS ILE GLY GLU THR LEU GLN GLU ARG GLU SER GLY ARG          
SEQRES  11 B  239  THR ALA VAL VAL VAL LEU THR GLN ILE ALA ALA ILE ALA          
SEQRES  12 B  239  LYS LYS LEU LYS LYS ALA ASP TRP ALA LYS VAL VAL ILE          
SEQRES  13 B  239  ALA TYR GLU PRO VAL TRP ALA ILE GLY THR GLY LYS VAL          
SEQRES  14 B  239  VAL THR PRO GLN GLN ALA GLN GLU ALA HIS ALA LEU ILE          
SEQRES  15 B  239  ARG SER TRP VAL SER SER LYS ILE GLY ALA ASP VAL ALA          
SEQRES  16 B  239  GLY GLU LEU ARG ILE LEU TYR GLY GLY SER VAL ASN GLY          
SEQRES  17 B  239  LYS ASN ALA ARG THR LEU TYR GLN GLN ARG ASP VAL ASN          
SEQRES  18 B  239  GLY PHE LEU ALA GLY LEU LYS PRO GLU PHE VAL ASP ILE          
SEQRES  19 B  239  ILE LYS ALA THR GLN                                          
SEQRES   1 C  239  MET SER LYS PRO GLN PRO ILE ALA ALA ALA ASN TRP LYS          
SEQRES   2 C  239  SER GLY SER PRO ASP SER LEU SER GLY LEU ILE ASP LEU          
SEQRES   3 C  239  PHE ASN SER THR SER ILE ASN HIS ASP VAL GLN CYS VAL          
SEQRES   4 C  239  VAL ALA SER THR PHE VAL HIS LEU ALA MET THR LYS GLU          
SEQRES   5 C  239  ARG LEU SER HIS PRO LYS PHE VAL ILE ALA ALA GLN ASN          
SEQRES   6 C  239  ALA GLY ASN THR ASP ALA LEU ALA SER LEU LYS ASP PHE          
SEQRES   7 C  239  GLY VAL ASN TRP ILE VAL LEU GLY HIS PHE GLU ARG ARG          
SEQRES   8 C  239  TRP TYR TYR GLY GLU THR ASN GLU ILE VAL ALA ASP LYS          
SEQRES   9 C  239  VAL ALA ALA ALA VAL ALA SER GLY PHE MET VAL ILE ALA          
SEQRES  10 C  239  CYS ILE GLY GLU THR LEU GLN GLU ARG GLU SER GLY ARG          
SEQRES  11 C  239  THR ALA VAL VAL VAL LEU THR GLN ILE ALA ALA ILE ALA          
SEQRES  12 C  239  LYS LYS LEU LYS LYS ALA ASP TRP ALA LYS VAL VAL ILE          
SEQRES  13 C  239  ALA TYR GLU PRO VAL TRP ALA ILE GLY THR GLY LYS VAL          
SEQRES  14 C  239  VAL THR PRO GLN GLN ALA GLN GLU ALA HIS ALA LEU ILE          
SEQRES  15 C  239  ARG SER TRP VAL SER SER LYS ILE GLY ALA ASP VAL ALA          
SEQRES  16 C  239  GLY GLU LEU ARG ILE LEU TYR GLY GLY SER VAL ASN GLY          
SEQRES  17 C  239  LYS ASN ALA ARG THR LEU TYR GLN GLN ARG ASP VAL ASN          
SEQRES  18 C  239  GLY PHE LEU ALA GLY LEU LYS PRO GLU PHE VAL ASP ILE          
SEQRES  19 C  239  ILE LYS ALA THR GLN                                          
FORMUL   4  HOH   *147(H2 O)                                                    
HELIX    1 AA1 LEU A   21  SER A   30  1                                  10    
HELIX    2 AA2 PHE A   45  LEU A   48  5                                   4    
HELIX    3 AA3 ALA A   49  LEU A   55  1                                   7    
HELIX    4 AA4 ASN A   69  GLY A   87  1                                  12    
HELIX    5 AA5 HIS A   95  TYR A  102  1                                   8    
HELIX    6 AA6 THR A  105  SER A  119  1                                  15    
HELIX    7 AA7 THR A  130  SER A  136  1                                   7    
HELIX    8 AA8 ARG A  138  LYS A  153  1                                  16    
HELIX    9 AA9 LEU A  154  ALA A  160  5                                   7    
HELIX   10 AB1 PRO A  168  ILE A  172  5                                   5    
HELIX   11 AB2 THR A  179  ILE A  198  1                                  20    
HELIX   12 AB3 GLY A  199  LEU A  206  1                                   8    
HELIX   13 AB4 ASN A  215  GLN A  225  1                                  11    
HELIX   14 AB5 GLU A  241  ALA A  248  1                                   8    
HELIX   15 AB6 SER B   20  SER B   30  1                                  11    
HELIX   16 AB7 THR B   44  LEU B   55  1                                  12    
HELIX   17 AB8 ASN B   69  GLY B   87  1                                  12    
HELIX   18 AB9 HIS B   95  TYR B  102  1                                   8    
HELIX   19 AC1 THR B  105  SER B  119  1                                  15    
HELIX   20 AC2 THR B  130  SER B  136  1                                   7    
HELIX   21 AC3 ARG B  138  LYS B  153  1                                  16    
HELIX   22 AC4 LEU B  154  ALA B  160  5                                   7    
HELIX   23 AC5 PRO B  168  ILE B  172  5                                   5    
HELIX   24 AC6 THR B  179  ILE B  198  1                                  20    
HELIX   25 AC7 GLY B  199  LEU B  206  1                                   8    
HELIX   26 AC8 GLY B  216  GLN B  225  1                                  10    
HELIX   27 AC9 GLU B  241  ALA B  248  1                                   8    
HELIX   28 AD1 SER C   20  SER C   30  1                                  11    
HELIX   29 AD2 THR C   44  LEU C   55  1                                  12    
HELIX   30 AD3 ASN C   69  ASP C   85  1                                  10    
HELIX   31 AD4 HIS C   95  TYR C  102  1                                   8    
HELIX   32 AD5 THR C  105  SER C  119  1                                  15    
HELIX   33 AD6 THR C  130  SER C  136  1                                   7    
HELIX   34 AD7 ARG C  138  LYS C  153  1                                  16    
HELIX   35 AD8 LEU C  154  ALA C  160  5                                   7    
HELIX   36 AD9 PRO C  168  ILE C  172  5                                   5    
HELIX   37 AE1 THR C  179  ILE C  198  1                                  20    
HELIX   38 AE2 GLY C  199  LEU C  206  1                                   8    
HELIX   39 AE3 ASN C  215  GLN C  225  1                                  11    
HELIX   40 AE4 GLU C  241  ALA C  248  1                                   8    
SHEET    1 AA1 9 ILE A   7  TRP A  12  0                                        
SHEET    2 AA1 9 GLN A  38  SER A  43  1  O  ALA A  42   N  ALA A  10           
SHEET    3 AA1 9 PHE A  60  ALA A  64  1  O  ALA A  63   N  VAL A  41           
SHEET    4 AA1 9 TRP A  90  LEU A  93  1  O  TRP A  90   N  ALA A  64           
SHEET    5 AA1 9 MET A 122  ILE A 127  1  O  CYS A 126   N  LEU A  93           
SHEET    6 AA1 9 VAL A 162  TYR A 166  1  O  VAL A 163   N  ALA A 125           
SHEET    7 AA1 9 ILE A 208  TYR A 210  1  O  LEU A 209   N  ILE A 164           
SHEET    8 AA1 9 GLY A 230  GLY A 234  1  O  GLY A 230   N  TYR A 210           
SHEET    9 AA1 9 ILE A   7  TRP A  12  1  N  ALA A   9   O  PHE A 231           
SHEET    1 AA2 9 ILE B   7  ASN B  11  0                                        
SHEET    2 AA2 9 GLN B  38  ALA B  42  1  O  ALA B  42   N  ALA B  10           
SHEET    3 AA2 9 PHE B  60  ALA B  64  1  O  ALA B  63   N  VAL B  41           
SHEET    4 AA2 9 TRP B  90  LEU B  93  1  O  TRP B  90   N  ALA B  64           
SHEET    5 AA2 9 MET B 122  ILE B 127  1  O  CYS B 126   N  LEU B  93           
SHEET    6 AA2 9 VAL B 162  TYR B 166  1  O  VAL B 163   N  ALA B 125           
SHEET    7 AA2 9 ILE B 208  TYR B 210  1  O  LEU B 209   N  ILE B 164           
SHEET    8 AA2 9 GLY B 230  PHE B 231  1  O  GLY B 230   N  TYR B 210           
SHEET    9 AA2 9 ILE B   7  ASN B  11  1  N  ALA B   9   O  PHE B 231           
SHEET    1 AA3 9 ILE C   7  ASN C  11  0                                        
SHEET    2 AA3 9 GLN C  38  ALA C  42  1  O  ALA C  42   N  ALA C  10           
SHEET    3 AA3 9 PHE C  60  ALA C  64  1  O  ALA C  63   N  VAL C  41           
SHEET    4 AA3 9 TRP C  90  LEU C  93  1  O  TRP C  90   N  ALA C  64           
SHEET    5 AA3 9 MET C 122  ILE C 127  1  O  CYS C 126   N  LEU C  93           
SHEET    6 AA3 9 VAL C 162  TYR C 166  1  O  VAL C 163   N  ALA C 125           
SHEET    7 AA3 9 ILE C 208  TYR C 210  1  O  LEU C 209   N  ILE C 164           
SHEET    8 AA3 9 GLY C 230  GLY C 234  1  O  GLY C 230   N  TYR C 210           
SHEET    9 AA3 9 ILE C   7  ASN C  11  1  N  ASN C  11   O  ALA C 233           
CRYST1   92.920   49.420   95.510  90.00 118.50  90.00 P 1 21 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      0.010762  0.000000  0.005843        0.00000                         
SCALE2      0.000000  0.020235  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011914        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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