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Database: PDB
Entry: 3R4Y
LinkDB: 3R4Y
Original site: 3R4Y 
HEADER    HYDROLASE                               18-MAR-11   3R4Y              
TITLE     CRYSTAL STRUCTURE OF ALPHA-NEOAGAROBIOSE HYDROLASE (ALPHA-NABH) FROM  
TITLE    2 SACCHAROPHAGUS DEGRADANS 2-40                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GLYCOSYL HYDROLASE FAMILY 32, N TERMINAL;                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: ALPHA-NEOAGAROBIOSE HYDROLASE;                              
COMPND   5 EC: 3.2.1.-;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SACCHAROPHAGUS DEGRADANS;                       
SOURCE   3 ORGANISM_TAXID: 203122;                                              
SOURCE   4 STRAIN: 2-40;                                                        
SOURCE   5 GENE: SDE_2657;                                                      
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: B834(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PJL                                       
KEYWDS    AGAR METABOLISM, NEOAGAROBIOSE, 3, 6-ANHYDRO-L-GALACTOSE, BIOENERGY,  
KEYWDS   2 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.LEE,J.Y.LEE,S.C.HA,D.H.SHIN,K.H.KIM,W.G.BANG,S.H.KIM,I.G.CHOI       
REVDAT   2   20-MAR-24 3R4Y    1       SEQADV                                   
REVDAT   1   01-FEB-12 3R4Y    0                                                
JRNL        AUTH   S.C.HA,S.LEE,J.LEE,H.T.KIM,H.J.KO,K.H.KIM,I.G.CHOI           
JRNL        TITL   CRYSTAL STRUCTURE OF A KEY ENZYME IN THE AGAROLYTIC PATHWAY, 
JRNL        TITL 2 ALPHA-NEOAGAROBIOSE HYDROLASE FROM SACCHAROPHAGUS DEGRADANS  
JRNL        TITL 3 2-40                                                         
JRNL        REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V. 412   238 2011              
JRNL        REFN                   ISSN 0006-291X                               
JRNL        PMID   21810409                                                     
JRNL        DOI    10.1016/J.BBRC.2011.07.073                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.69                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 50502                          
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) : 0.164                           
REMARK   3   R VALUE            (WORKING SET) : 0.161                           
REMARK   3   FREE R VALUE                     : 0.206                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2710                            
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) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.05                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 3331                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1700                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 158                          
REMARK   3   BIN FREE R VALUE                    : 0.2410                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 5755                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 303                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 23.83                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.06000                                             
REMARK   3    B22 (A**2) : -0.01000                                             
REMARK   3    B33 (A**2) : 0.06000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -0.03000                                             
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): 0.145         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.094         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.279         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.959                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.934                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  5935 ; 0.015 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  8060 ; 1.627 ; 1.931       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   715 ; 7.416 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   297 ;34.977 ;24.141       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   928 ;16.801 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    28 ;19.759 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   805 ; 0.119 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  4684 ; 0.006 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2665 ; 0.207 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  4009 ; 0.318 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   456 ; 0.153 ; 0.200       
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):    39 ; 0.199 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     9 ; 0.083 ; 0.200       
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):  3645 ; 1.226 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  5734 ; 1.977 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2683 ; 3.112 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2326 ; 4.725 ; 4.500       
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: NULL                                      
REMARK   4                                                                      
REMARK   4 3R4Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-APR-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000064494.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 20-JAN-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ALS                                
REMARK 200  BEAMLINE                       : 5.0.2                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9784                             
REMARK 200  MONOCHROMATOR                  : DOUBLE-CRYSTAL, SI(111)            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315R                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 55856                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.980                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.08600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 25.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.05                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.46000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 52.61                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.4M SODIUM MALONATE, PH 7.0, VAPOR      
REMARK 280  DIFFUSION, SITTING DROP, TEMPERATURE 295K                           
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       64.93500            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.40500            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       64.93500            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       38.40500            
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: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 6340 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 26670 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH B 421  LIES ON A SPECIAL POSITION.                          
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     SER A     2                                                      
REMARK 465     ASP A     3                                                      
REMARK 465     SER A     4                                                      
REMARK 465     LYS A     5                                                      
REMARK 465     VAL A     6                                                      
REMARK 465     ASN A     7                                                      
REMARK 465     LYS A     8                                                      
REMARK 465     GLU A   317                                                      
REMARK 465     SER A   318                                                      
REMARK 465     HIS A   371                                                      
REMARK 465     HIS A   372                                                      
REMARK 465     HIS A   373                                                      
REMARK 465     HIS A   374                                                      
REMARK 465     MET B     1                                                      
REMARK 465     SER B     2                                                      
REMARK 465     ASP B     3                                                      
REMARK 465     SER B     4                                                      
REMARK 465     LYS B     5                                                      
REMARK 465     VAL B     6                                                      
REMARK 465     ASN B     7                                                      
REMARK 465     LYS B     8                                                      
REMARK 465     ASP B   319                                                      
REMARK 465     SER B   320                                                      
REMARK 465     ASP B   321                                                      
REMARK 465     HIS B   371                                                      
REMARK 465     HIS B   372                                                      
REMARK 465     HIS B   373                                                      
REMARK 465     HIS B   374                                                      
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    GLY B 135   N   -  CA  -  C   ANGL. DEV. = -15.4 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A  61       44.32    -97.15                                   
REMARK 500    LYS A 102      -22.96     85.20                                   
REMARK 500    THR A 127       62.89     62.96                                   
REMARK 500    ASN A 134       69.53     39.62                                   
REMARK 500    THR A 186      167.79     70.96                                   
REMARK 500    SER A 229     -153.25   -119.67                                   
REMARK 500    ASN A 231     -161.11   -118.11                                   
REMARK 500    HIS A 264     -101.45   -135.06                                   
REMARK 500    THR A 281      -62.89     79.13                                   
REMARK 500    SER A 320      101.89    139.78                                   
REMARK 500    ASP B  61       34.12    -98.16                                   
REMARK 500    LYS B 102      -15.88     79.02                                   
REMARK 500    THR B 127       60.40     64.81                                   
REMARK 500    THR B 186      179.59     72.68                                   
REMARK 500    SER B 229     -150.99   -122.94                                   
REMARK 500    ASN B 231     -157.63   -117.17                                   
REMARK 500    HIS B 264      -94.94   -132.15                                   
REMARK 500    THR B 281      -58.54     77.67                                   
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 VAL A   59     ASP A   60                 -149.82                    
REMARK 500 ASN A  134     GLY A  135                  -57.43                    
REMARK 500 ASN B  134     GLY B  135                  -52.40                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3R4Z   RELATED DB: PDB                                   
DBREF  3R4Y A    1   368  UNP    Q21HB2   Q21HB2_SACD2     1    368             
DBREF  3R4Y B    1   368  UNP    Q21HB2   Q21HB2_SACD2     1    368             
SEQADV 3R4Y HIS A  369  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS A  370  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS A  371  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS A  372  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS A  373  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS A  374  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS B  369  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS B  370  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS B  371  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS B  372  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS B  373  UNP  Q21HB2              EXPRESSION TAG                 
SEQADV 3R4Y HIS B  374  UNP  Q21HB2              EXPRESSION TAG                 
SEQRES   1 A  374  MET SER ASP SER LYS VAL ASN LYS LYS LEU SER LYS ALA          
SEQRES   2 A  374  SER LEU ARG ALA ILE GLU ARG GLY TYR ASP GLU LYS GLY          
SEQRES   3 A  374  PRO GLU TRP LEU PHE GLU PHE ASP ILE THR PRO LEU LYS          
SEQRES   4 A  374  GLY ASP LEU ALA TYR GLU GLU GLY VAL ILE ARG ARG ASP          
SEQRES   5 A  374  PRO SER ALA VAL LEU LYS VAL ASP ASP GLU TYR HIS VAL          
SEQRES   6 A  374  TRP TYR THR LYS GLY GLU GLY GLU THR VAL GLY PHE GLY          
SEQRES   7 A  374  SER ASP ASN PRO GLU ASP LYS VAL PHE PRO TRP ASP LYS          
SEQRES   8 A  374  THR GLU VAL TRP HIS ALA THR SER LYS ASP LYS ILE THR          
SEQRES   9 A  374  TRP LYS GLU ILE GLY PRO ALA ILE GLN ARG GLY ALA ALA          
SEQRES  10 A  374  GLY ALA TYR ASP ASP ARG ALA VAL PHE THR PRO GLU VAL          
SEQRES  11 A  374  LEU ARG HIS ASN GLY THR TYR TYR LEU VAL TYR GLN THR          
SEQRES  12 A  374  VAL LYS ALA PRO TYR LEU ASN ARG SER LEU GLU HIS ILE          
SEQRES  13 A  374  ALA ILE ALA TYR SER ASP SER PRO PHE GLY PRO TRP THR          
SEQRES  14 A  374  LYS SER ASP ALA PRO ILE LEU SER PRO GLU ASN ASP GLY          
SEQRES  15 A  374  VAL TRP ASP THR ASP GLU ASP ASN ARG PHE LEU VAL LYS          
SEQRES  16 A  374  GLU LYS GLY SER PHE ASP SER HIS LYS VAL HIS ASP PRO          
SEQRES  17 A  374  CYS LEU MET PHE PHE ASN ASN ARG PHE TYR LEU TYR TYR          
SEQRES  18 A  374  LYS GLY GLU THR MET GLY GLU SER MET ASN MET GLY GLY          
SEQRES  19 A  374  ARG GLU ILE LYS HIS GLY VAL ALA ILE ALA ASP SER PRO          
SEQRES  20 A  374  LEU GLY PRO TYR THR LYS SER GLU TYR ASN PRO ILE THR          
SEQRES  21 A  374  ASN SER GLY HIS GLU VAL ALA VAL TRP PRO TYR LYS GLY          
SEQRES  22 A  374  GLY MET ALA THR MET LEU THR THR ASP GLY PRO GLU LYS          
SEQRES  23 A  374  ASN THR CYS GLN TRP ALA GLU ASP GLY ILE ASN PHE ASP          
SEQRES  24 A  374  ILE MET SER HIS ILE LYS GLY ALA PRO GLU ALA VAL GLY          
SEQRES  25 A  374  PHE PHE ARG PRO GLU SER ASP SER ASP ASP PRO ILE SER          
SEQRES  26 A  374  GLY ILE GLU TRP GLY LEU SER HIS LYS TYR ASP ALA SER          
SEQRES  27 A  374  TRP ASN TRP ASN TYR LEU CYS PHE PHE LYS THR ARG ARG          
SEQRES  28 A  374  GLN VAL LEU ASP ALA GLY SER TYR GLN GLN THR GLY ASP          
SEQRES  29 A  374  SER GLY ALA VAL HIS HIS HIS HIS HIS HIS                      
SEQRES   1 B  374  MET SER ASP SER LYS VAL ASN LYS LYS LEU SER LYS ALA          
SEQRES   2 B  374  SER LEU ARG ALA ILE GLU ARG GLY TYR ASP GLU LYS GLY          
SEQRES   3 B  374  PRO GLU TRP LEU PHE GLU PHE ASP ILE THR PRO LEU LYS          
SEQRES   4 B  374  GLY ASP LEU ALA TYR GLU GLU GLY VAL ILE ARG ARG ASP          
SEQRES   5 B  374  PRO SER ALA VAL LEU LYS VAL ASP ASP GLU TYR HIS VAL          
SEQRES   6 B  374  TRP TYR THR LYS GLY GLU GLY GLU THR VAL GLY PHE GLY          
SEQRES   7 B  374  SER ASP ASN PRO GLU ASP LYS VAL PHE PRO TRP ASP LYS          
SEQRES   8 B  374  THR GLU VAL TRP HIS ALA THR SER LYS ASP LYS ILE THR          
SEQRES   9 B  374  TRP LYS GLU ILE GLY PRO ALA ILE GLN ARG GLY ALA ALA          
SEQRES  10 B  374  GLY ALA TYR ASP ASP ARG ALA VAL PHE THR PRO GLU VAL          
SEQRES  11 B  374  LEU ARG HIS ASN GLY THR TYR TYR LEU VAL TYR GLN THR          
SEQRES  12 B  374  VAL LYS ALA PRO TYR LEU ASN ARG SER LEU GLU HIS ILE          
SEQRES  13 B  374  ALA ILE ALA TYR SER ASP SER PRO PHE GLY PRO TRP THR          
SEQRES  14 B  374  LYS SER ASP ALA PRO ILE LEU SER PRO GLU ASN ASP GLY          
SEQRES  15 B  374  VAL TRP ASP THR ASP GLU ASP ASN ARG PHE LEU VAL LYS          
SEQRES  16 B  374  GLU LYS GLY SER PHE ASP SER HIS LYS VAL HIS ASP PRO          
SEQRES  17 B  374  CYS LEU MET PHE PHE ASN ASN ARG PHE TYR LEU TYR TYR          
SEQRES  18 B  374  LYS GLY GLU THR MET GLY GLU SER MET ASN MET GLY GLY          
SEQRES  19 B  374  ARG GLU ILE LYS HIS GLY VAL ALA ILE ALA ASP SER PRO          
SEQRES  20 B  374  LEU GLY PRO TYR THR LYS SER GLU TYR ASN PRO ILE THR          
SEQRES  21 B  374  ASN SER GLY HIS GLU VAL ALA VAL TRP PRO TYR LYS GLY          
SEQRES  22 B  374  GLY MET ALA THR MET LEU THR THR ASP GLY PRO GLU LYS          
SEQRES  23 B  374  ASN THR CYS GLN TRP ALA GLU ASP GLY ILE ASN PHE ASP          
SEQRES  24 B  374  ILE MET SER HIS ILE LYS GLY ALA PRO GLU ALA VAL GLY          
SEQRES  25 B  374  PHE PHE ARG PRO GLU SER ASP SER ASP ASP PRO ILE SER          
SEQRES  26 B  374  GLY ILE GLU TRP GLY LEU SER HIS LYS TYR ASP ALA SER          
SEQRES  27 B  374  TRP ASN TRP ASN TYR LEU CYS PHE PHE LYS THR ARG ARG          
SEQRES  28 B  374  GLN VAL LEU ASP ALA GLY SER TYR GLN GLN THR GLY ASP          
SEQRES  29 B  374  SER GLY ALA VAL HIS HIS HIS HIS HIS HIS                      
FORMUL   3  HOH   *303(H2 O)                                                    
HELIX    1   1 SER A   11  GLY A   21  1                                  11    
HELIX    2   2 TYR A   22  LYS A   25  5                                   4    
HELIX    3   3 ILE A  324  ILE A  327  5                                   4    
HELIX    4   4 SER B   11  GLY B   21  1                                  11    
HELIX    5   5 TYR B   22  LYS B   25  5                                   4    
HELIX    6   6 ASP B  322  ILE B  327  5                                   6    
HELIX    7   7 THR B  362  SER B  365  5                                   4    
SHEET    1   A 5 GLY A 312  PHE A 313  0                                        
SHEET    2   A 5 TRP A 329  TYR A 335 -1  O  LEU A 331   N  GLY A 312           
SHEET    3   A 5 ASN A 342  ARG A 351 -1  O  PHE A 347   N  GLY A 330           
SHEET    4   A 5 PHE A  31  PRO A  37 -1  N  THR A  36   O  PHE A 346           
SHEET    5   A 5 ALA A 367  HIS A 369  1  O  VAL A 368   N  PHE A  33           
SHEET    1   B 5 LYS A  39  GLY A  40  0                                        
SHEET    2   B 5 THR A 104  ILE A 112  1  O  TRP A 105   N  LYS A  39           
SHEET    3   B 5 GLU A  93  SER A  99 -1  N  VAL A  94   O  ALA A 111           
SHEET    4   B 5 GLU A  62  GLU A  71 -1  N  TYR A  63   O  SER A  99           
SHEET    5   B 5 VAL A  48  ARG A  51 -1  N  ILE A  49   O  GLY A  70           
SHEET    1   C 5 LYS A  39  GLY A  40  0                                        
SHEET    2   C 5 THR A 104  ILE A 112  1  O  TRP A 105   N  LYS A  39           
SHEET    3   C 5 GLU A  93  SER A  99 -1  N  VAL A  94   O  ALA A 111           
SHEET    4   C 5 GLU A  62  GLU A  71 -1  N  TYR A  63   O  SER A  99           
SHEET    5   C 5 LEU A  57  VAL A  59 -1  N  VAL A  59   O  GLU A  62           
SHEET    1   D 4 ALA A 124  HIS A 133  0                                        
SHEET    2   D 4 THR A 136  VAL A 144 -1  O  GLN A 142   N  PHE A 126           
SHEET    3   D 4 HIS A 155  SER A 161 -1  O  SER A 161   N  TYR A 137           
SHEET    4   D 4 THR A 169  LYS A 170 -1  O  THR A 169   N  TYR A 160           
SHEET    1   E 2 VAL A 183  TRP A 184  0                                        
SHEET    2   E 2 VAL A 194  GLU A 196 -1  O  LYS A 195   N  VAL A 183           
SHEET    1   F 4 LYS A 204  PHE A 213  0                                        
SHEET    2   F 4 ARG A 216  GLU A 224 -1  O  TYR A 218   N  MET A 211           
SHEET    3   F 4 ILE A 237  ALA A 244 -1  O  LYS A 238   N  GLY A 223           
SHEET    4   F 4 THR A 252  LYS A 253 -1  O  THR A 252   N  ILE A 243           
SHEET    1   G 2 MET A 230  ASN A 231  0                                        
SHEET    2   G 2 GLY A 234  ARG A 235 -1  O  GLY A 234   N  ASN A 231           
SHEET    1   H 4 VAL A 268  TYR A 271  0                                        
SHEET    2   H 4 GLY A 274  LEU A 279 -1  O  ALA A 276   N  TRP A 269           
SHEET    3   H 4 THR A 288  ALA A 292 -1  O  ALA A 292   N  MET A 275           
SHEET    4   H 4 ASP A 299  HIS A 303 -1  O  MET A 301   N  CYS A 289           
SHEET    1   I 5 GLY B 312  PHE B 313  0                                        
SHEET    2   I 5 TRP B 329  TYR B 335 -1  O  LEU B 331   N  GLY B 312           
SHEET    3   I 5 ASN B 342  ARG B 351 -1  O  TYR B 343   N  LYS B 334           
SHEET    4   I 5 PHE B  31  PRO B  37 -1  N  THR B  36   O  PHE B 346           
SHEET    5   I 5 ALA B 367  HIS B 369  1  O  VAL B 368   N  ILE B  35           
SHEET    1   J 5 LYS B  39  GLY B  40  0                                        
SHEET    2   J 5 THR B 104  ILE B 112  1  O  TRP B 105   N  LYS B  39           
SHEET    3   J 5 GLU B  93  SER B  99 -1  N  THR B  98   O  LYS B 106           
SHEET    4   J 5 GLU B  62  GLU B  71 -1  N  TYR B  63   O  SER B  99           
SHEET    5   J 5 VAL B  48  ARG B  51 -1  N  ILE B  49   O  GLY B  70           
SHEET    1   K 5 LYS B  39  GLY B  40  0                                        
SHEET    2   K 5 THR B 104  ILE B 112  1  O  TRP B 105   N  LYS B  39           
SHEET    3   K 5 GLU B  93  SER B  99 -1  N  THR B  98   O  LYS B 106           
SHEET    4   K 5 GLU B  62  GLU B  71 -1  N  TYR B  63   O  SER B  99           
SHEET    5   K 5 LEU B  57  VAL B  59 -1  N  VAL B  59   O  GLU B  62           
SHEET    1   L 4 ALA B 124  HIS B 133  0                                        
SHEET    2   L 4 THR B 136  VAL B 144 -1  O  GLN B 142   N  PHE B 126           
SHEET    3   L 4 HIS B 155  SER B 161 -1  O  SER B 161   N  TYR B 137           
SHEET    4   L 4 THR B 169  LYS B 170 -1  O  THR B 169   N  TYR B 160           
SHEET    1   M 2 VAL B 183  TRP B 184  0                                        
SHEET    2   M 2 VAL B 194  GLU B 196 -1  O  LYS B 195   N  VAL B 183           
SHEET    1   N 4 LYS B 204  PHE B 213  0                                        
SHEET    2   N 4 ARG B 216  GLU B 224 -1  O  TYR B 218   N  MET B 211           
SHEET    3   N 4 ILE B 237  ALA B 244 -1  O  ALA B 242   N  LEU B 219           
SHEET    4   N 4 THR B 252  LYS B 253 -1  O  THR B 252   N  ILE B 243           
SHEET    1   O 2 MET B 230  ASN B 231  0                                        
SHEET    2   O 2 GLY B 234  ARG B 235 -1  O  GLY B 234   N  ASN B 231           
SHEET    1   P 4 VAL B 268  TYR B 271  0                                        
SHEET    2   P 4 GLY B 274  LEU B 279 -1  O  ALA B 276   N  TRP B 269           
SHEET    3   P 4 THR B 288  ALA B 292 -1  O  ALA B 292   N  MET B 275           
SHEET    4   P 4 ASP B 299  HIS B 303 -1  O  MET B 301   N  CYS B 289           
CISPEP   1 ASP A   60    ASP A   61          0        -3.00                     
CISPEP   2 ALA A  146    PRO A  147          0        -1.70                     
CISPEP   3 GLY A  166    PRO A  167          0        -0.21                     
CISPEP   4 GLY A  249    PRO A  250          0         1.54                     
CISPEP   5 ASN A  257    PRO A  258          0        -4.34                     
CISPEP   6 ASP A  319    SER A  320          0       -15.98                     
CISPEP   7 ASP B   60    ASP B   61          0         5.04                     
CISPEP   8 ALA B  146    PRO B  147          0        -2.38                     
CISPEP   9 GLY B  166    PRO B  167          0        -4.01                     
CISPEP  10 GLY B  249    PRO B  250          0         7.62                     
CISPEP  11 ASN B  257    PRO B  258          0        -4.67                     
CRYST1  129.870   76.810   90.110  90.00 101.86  90.00 C 1 2 1       8          
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      0.007692  0.000000  0.001635        0.00000                         
SCALE2      0.000000  0.012987  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011359        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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