HEADER    NEUROTOXIN                              08-APR-97   1AHO              
TITLE     THE AB INITIO STRUCTURE DETERMINATION AND REFINEMENT OF A SCORPION    
TITLE    2 PROTEIN TOXIN                                                        
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TOXIN II;                                                  
COMPND   3 CHAIN: A                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ANDROCTONUS AUSTRALIS;                          
SOURCE   3 ORGANISM_TAXID: 70175;                                               
SOURCE   4 STRAIN: HECTOR                                                       
KEYWDS    TOXIN II, SCORPION, AB INITIO PHASING, NEUROTOXIN                     
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    G.D.SMITH,R.H.BLESSING,S.E.EALICK,J.C.FONTECILLA-CAMPS,H.A.HAUPTMAN,  
AUTHOR   2 D.HOUSSET,D.A.LANGS,R.MILLER                                         
REVDAT   6   30-OCT-24 1AHO    1       REMARK                                   
REVDAT   5   05-JUN-24 1AHO    1       REMARK                                   
REVDAT   4   13-JUL-11 1AHO    1       VERSN                                    
REVDAT   3   24-FEB-09 1AHO    1       VERSN                                    
REVDAT   2   01-NOV-99 1AHO    1       JRNL                                     
REVDAT   1   15-OCT-97 1AHO    0                                                
JRNL        AUTH   G.D.SMITH,R.H.BLESSING,S.E.EALICK,J.C.FONTECILLA-CAMPS,      
JRNL        AUTH 2 H.A.HAUPTMAN,D.HOUSSET,D.A.LANGS,R.MILLER                    
JRNL        TITL   AB INITIO STRUCTURE DETERMINATION AND REFINEMENT OF A        
JRNL        TITL 2 SCORPION PROTEIN TOXIN.                                      
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  53   551 1997              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   15299886                                                     
JRNL        DOI    10.1107/S0907444997005386                                    
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   D.HOUSSET,C.HABERSETZER-ROCHAT,J.P.ASTIER,                   
REMARK   1  AUTH 2 J.C.FONTECILLA-CAMPS                                         
REMARK   1  TITL   CRYSTAL STRUCTURE OF TOXIN II FROM THE SCORPION ANDROCTONUS  
REMARK   1  TITL 2 AUSTRALIS HECTOR REFINED AT 1.3 A RESOLUTION                 
REMARK   1  REF    J.MOL.BIOL.                   V. 238    88 1994              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   J.C.FONTECILLA-CAMPS,C.HABERSETZER-ROCHAT,H.ROCHAT           
REMARK   1  TITL   ORTHORHOMBIC CRYSTALS AND THREE-DIMENSIONAL STRUCTURE OF THE 
REMARK   1  TITL 2 POTENT TOXIN II FROM THE SCORPION ANDROCTONUS AUSTRALIS      
REMARK   1  TITL 3 HECTOR                                                       
REMARK   1  REF    PROC.NATL.ACAD.SCI.USA        V.  85  7443 1988              
REMARK   1  REFN                   ISSN 0027-8424                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    0.96 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PROFFT                                               
REMARK   3   AUTHORS     : KONNERT,HENDRICKSON,FINZEL                           
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 0.96                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 88.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 30609                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.158                           
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.1630                 
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 31001                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 500                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 129                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 7.23                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 10.72                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.014 ; 0.020               
REMARK   3    ANGLE DISTANCE                  (A) : 0.030 ; 0.040               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.041 ; 0.050               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : 0.011 ; 0.030               
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.041 ; 0.050               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.127 ; 0.150               
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : 0.192 ; 0.500               
REMARK   3    MULTIPLE TORSION                (A) : 0.201 ; 0.500               
REMARK   3    H-BOND (X...Y)                  (A) : 0.148 ; 0.500               
REMARK   3    H-BOND (X-H...Y)                (A) : 0.485 ; 0.500               
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : 4.900 ; 3.000               
REMARK   3    STAGGERED                 (DEGREES) : 12.600; 15.000              
REMARK   3    TRANSVERSE                (DEGREES) : 19.500; 20.000              
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND               (A**2) : 1.106 ; 1.500               
REMARK   3   MAIN-CHAIN ANGLE              (A**2) : 1.523 ; 2.000               
REMARK   3   SIDE-CHAIN BOND               (A**2) : 1.692 ; 1.500               
REMARK   3   SIDE-CHAIN ANGLE              (A**2) : 2.370 ; 2.000               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS:                                           
REMARK   3  THE STRUCTURE WAS REFINED INITIALLY WITH X-PLOR TO A RESIDUAL OF    
REMARK   3  0.203 (25509 REFLECTIONS) AND A FREE R OF 0.224 (2830 REFLECTIONS)  
REMARK   3  . PROFFT (FINZEL), MODIFIED TO INCORPORATE A TWO LINE WEIGHTING     
REMARK   3  SCHEME (SMITH), WAS USED TO PERFORM THE FINAL REFINEMENTS           
REMARK   3  INCLUDING CONTRIBUTIONS FROM HYDROGEN ATOMS.                        
REMARK   3                                                                      
REMARK   3  DISORDERED RESIDUES WERE IDENTIFIED GRAPHICALLY.                    
REMARK   4                                                                      
REMARK   4 1AHO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170828.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : JUN-94                             
REMARK 200  TEMPERATURE           (KELVIN) : 287                                
REMARK 200  PH                             : 6.8                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X31                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.92                               
REMARK 200  MONOCHROMATOR                  : NA                                 
REMARK 200  OPTICS                         : NA                                 
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : ROTAVATA, AGROVATA, MOSFLM         
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, ROTAVATA           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 31001                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 0.964                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 16.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.07300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.7000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.96                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 0.99                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 80.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.54300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: NULL                                           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIRECT METHODS               
REMARK 200 SOFTWARE USED: SHAKE-N-BAKE                                          
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.96                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.8                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
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       22.95000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       15.05000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       20.35000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       15.05000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       22.95000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       20.35000            
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: 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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ASP A   9    OD2                                                 
REMARK 470     LYS A  30    CD   CE   NZ                                        
REMARK 470     LYS A  50    NZ                                                  
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A  11       33.12     73.58                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1AHO A    1    64  UNP    P01484   SCX2_ANDAU      20     83             
SEQRES   1 A   64  VAL LYS ASP GLY TYR ILE VAL ASP ASP VAL ASN CYS THR          
SEQRES   2 A   64  TYR PHE CYS GLY ARG ASN ALA TYR CYS ASN GLU GLU CYS          
SEQRES   3 A   64  THR LYS LEU LYS GLY GLU SER GLY TYR CYS GLN TRP ALA          
SEQRES   4 A   64  SER PRO TYR GLY ASN ALA CYS TYR CYS TYR LYS LEU PRO          
SEQRES   5 A   64  ASP HIS VAL ARG THR LYS GLY PRO GLY ARG CYS HIS              
FORMUL   2  HOH   *129(H2 O)                                                    
HELIX    1   1 ASN A   19  LYS A   28  1                                  10    
SHEET    1   A 2 SER A  33  GLN A  37  0                                        
SHEET    2   A 2 ALA A  45  TYR A  49 -1  N  TYR A  49   O  SER A  33           
SSBOND   1 CYS A   12    CYS A   63                          1555   1555  2.01  
SSBOND   2 CYS A   16    CYS A   36                          1555   1555  2.03  
SSBOND   3 CYS A   22    CYS A   46                          1555   1555  2.03  
SSBOND   4 CYS A   26    CYS A   48                          1555   1555  2.01  
CRYST1   45.900   40.700   30.100  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.021786  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.024570  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.033223        0.00000