HEADER    TOXIN                                   14-SEP-01   1JZB              
TITLE     CRYSTAL STRUCTURE OF VARIANT 2 SCORPION TOXIN FROM CENTRUROIDES       
TITLE    2 SCULPTURATUS EWING                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NEUROTOXIN 2;                                              
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: CENTRUROIDES SCULPTURATUS;                      
SOURCE   3 ORGANISM_COMMON: BARK SCORPION;                                      
SOURCE   4 ORGANISM_TAXID: 218467                                               
KEYWDS    SCORPION TOXIN, NONCRYSTALLOGRAPHIC SYMMETRY, TOXIN                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.J.COOK,A.ZELL,D.D.WATT,S.E.EALICK                                   
REVDAT   5   20-NOV-24 1JZB    1       REMARK                                   
REVDAT   4   04-APR-18 1JZB    1       REMARK                                   
REVDAT   3   04-OCT-17 1JZB    1       REMARK                                   
REVDAT   2   24-FEB-09 1JZB    1       VERSN                                    
REVDAT   1   27-FEB-02 1JZB    0                                                
JRNL        AUTH   W.J.COOK,A.ZELL,D.D.WATT,S.E.EALICK                          
JRNL        TITL   STRUCTURE OF VARIANT 2 SCORPION TOXIN FROM CENTRUROIDES      
JRNL        TITL 2 SCULPTURATUS EWING.                                          
JRNL        REF    PROTEIN SCI.                  V.  11   479 2002              
JRNL        REFN                   ISSN 0961-8368                               
JRNL        PMID   11847271                                                     
JRNL        DOI    10.1110/PS.39202                                             
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.81 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) : 2.81                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 42.26                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 125210.840                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 1609                           
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 SET) : 0.233                           
REMARK   3   FREE R VALUE                     : 0.277                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 81                              
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.031                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.98                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 96.70                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 252                          
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2830                       
REMARK   3   BIN FREE R VALUE                    : 0.3410                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 3.10                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 8                            
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.121                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 498                                     
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) : 17.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.19000                                             
REMARK   3    B22 (A**2) : -1.19000                                             
REMARK   3    B33 (A**2) : 2.39000                                              
REMARK   3    B12 (A**2) : 10.35000                                             
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) : 0.34                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.36                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.43                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.53                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.008                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.400                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.70                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.100                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.650 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.620 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.460 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.530 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.58                                                 
REMARK   3   BSOL        : 122.3                                                
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   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1JZB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-SEP-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000014363.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-JAN-85                          
REMARK 200  TEMPERATURE           (KELVIN) : 296                                
REMARK 200  PH                             : 9.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : SEALED TUBE                        
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : OTHER                              
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : DIFFRACTOMETER                     
REMARK 200  DETECTOR MANUFACTURER          : PICKER                             
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : IN-HOUSE SOFTWARE                  
REMARK 200  DATA SCALING SOFTWARE          : IN-HOUSE SOFTWARE                  
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 1609                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.98                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.16                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.09                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2-METHYL-2,4-PENTANEDIOL, CHES BUFFER,   
REMARK 280  PH 9.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K             
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       29.13333            
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       14.56667            
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       14.56667            
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       29.13333            
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: 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 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    CYS A  48   CA  -  CB  -  SG  ANGL. DEV. =   9.4 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    GLU A  21      100.45    -44.55                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1JZA   RELATED DB: PDB                                   
REMARK 900 1JZA CONTAINS THE SAME PROTEIN IN A DIFFERENT SPACE GROUP            
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE AUTHORS MAINTAIN THAT THEIR SEQUENCE IS                          
REMARK 999 CORRECT.                                                             
DBREF  1JZB A    1    66  UNP    P01493   SCX2_CENSC       1     65             
SEQADV 1JZB CYS A   25  UNP  P01493    ASN    25 SEE REMARK 999                 
SEQADV 1JZB ASP A   26  UNP  P01493    LYS    26 SEE REMARK 999                 
SEQADV 1JZB LYS A   27  UNP  P01493    CYS    27 SEE REMARK 999                 
SEQADV 1JZB SER A   64  UNP  P01493    CYS    64 SEE REMARK 999                 
SEQADV 1JZB CYS A   65  UNP  P01493    SER    65 SEE REMARK 999                 
SEQRES   1 A   66  LYS GLU GLY TYR LEU VAL ASN LYS SER THR GLY CYS LYS          
SEQRES   2 A   66  TYR GLY CYS LEU LYS LEU GLY GLU ASN GLU GLY CYS ASP          
SEQRES   3 A   66  LYS GLU CYS LYS ALA LYS ASN GLN GLY GLY SER TYR GLY          
SEQRES   4 A   66  TYR CYS TYR ALA PHE ALA CYS TRP CYS GLU GLY LEU PRO          
SEQRES   5 A   66  GLU SER THR PRO THR TYR PRO LEU PRO ASN LYS SER CYS          
SEQRES   6 A   66  SER                                                          
HELIX    1   1 ASN A   22  ALA A   31  1                                  10    
SHEET    1   A 3 GLY A   3  TYR A   4  0                                        
SHEET    2   A 3 CYS A  46  GLU A  49 -1  O  CYS A  48   N  GLY A   3           
SHEET    3   A 3 TYR A  38  CYS A  41 -1  N  TYR A  40   O  TRP A  47           
SSBOND   1 CYS A   12    CYS A   65                          1555   1555  2.03  
SSBOND   2 CYS A   16    CYS A   41                          1555   1555  2.02  
SSBOND   3 CYS A   25    CYS A   46                          1555   1555  2.03  
SSBOND   4 CYS A   29    CYS A   48                          1555   1555  2.04  
CISPEP   1 TYR A   58    PRO A   59          0        -0.28                     
CRYST1   48.800   48.800   43.700  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      0.020492  0.011831  0.000000        0.00000                         
SCALE2      0.000000  0.023662  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022883        0.00000