PDB Short entry for 3NSO
HEADER    METAL BINDING PROTEIN                   02-JUL-10   3NSO              
TITLE     CRYSTAL STRUCTURE OF S100A3 PROTEIN EXPRESSED IN INSECT CELL          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN S100-A3;                                           
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: S100 CALCIUM-BINDING PROTEIN A3, PROTEIN S-100E;            
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: S100A3, S100E;                                                 
SOURCE   6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_CELL_LINE: IPLB-SF21;                              
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS                           
KEYWDS    EF-HAND, CA2+, ZN2+ BINDING, METAL BINDING PROTEIN                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.UNNO,H.TAKAHARA,K.KIZAWA                                            
REVDAT   2   27-JUN-12 3NSO    1       JRNL   VERSN                             
REVDAT   1   16-MAR-11 3NSO    0                                                
JRNL        AUTH   M.UNNO,T.KAWASAKI,H.TAKAHARA,C.W.HEIZMANN,K.KIZAWA           
JRNL        TITL   REFINED CRYSTAL STRUCTURES OF HUMAN CA(2+)/ZN(2+)-BINDING    
JRNL        TITL 2 S100A3 PROTEIN CHARACTERIZED BY TWO DISULFIDE BRIDGES        
JRNL        REF    J.MOL.BIOL.                   V. 408   477 2011              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   21377473                                                     
JRNL        DOI    10.1016/J.JMB.2011.02.055                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.45 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0102                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 29306                          
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) : 0.200                           
REMARK   3   R VALUE            (WORKING SET) : 0.199                           
REMARK   3   FREE R VALUE                     : 0.223                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1568                            
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) : 1.45                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.49                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1982                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 89.83                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3020                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 102                          
REMARK   3   BIN FREE R VALUE                    : 0.3600                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1505                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 133                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 21.61                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.23000                                              
REMARK   3    B22 (A**2) : 0.23000                                              
REMARK   3    B33 (A**2) : -0.35000                                             
REMARK   3    B12 (A**2) : 0.12000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
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): 0.080         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.052         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.973         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.957                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.951                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1627 ; 0.019 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2219 ; 1.951 ; 1.970       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   209 ; 5.652 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    81 ;30.207 ;24.321       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   295 ;12.957 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    10 ;12.454 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   241 ; 0.128 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1252 ; 0.012 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   976 ; 1.146 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1589 ; 2.019 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   651 ; 3.467 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   619 ; 5.415 ; 4.500       
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  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     2        A    99                          
REMARK   3    ORIGIN FOR THE GROUP (A):  20.5290  30.3970   4.9630              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0342 T22:   0.0454                                     
REMARK   3      T33:   0.1781 T12:  -0.0254                                     
REMARK   3      T13:  -0.0070 T23:   0.0284                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.4225 L22:   3.1037                                     
REMARK   3      L33:   0.5809 L12:   0.6761                                     
REMARK   3      L13:   0.1188 L23:  -0.1824                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1079 S12:  -0.0600 S13:   0.0217                       
REMARK   3      S21:   0.2676 S22:  -0.1438 S23:   0.0109                       
REMARK   3      S31:   0.0282 S32:  -0.0749 S33:   0.0359                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     3        B    99                          
REMARK   3    ORIGIN FOR THE GROUP (A):  20.2470  37.4650  -9.7880              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0392 T22:   0.0481                                     
REMARK   3      T33:   0.1795 T12:   0.0254                                     
REMARK   3      T13:   0.0056 T23:   0.0272                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.3957 L22:   3.1787                                     
REMARK   3      L33:   0.5919 L12:  -0.6896                                     
REMARK   3      L13:  -0.1013 L23:  -0.1289                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1091 S12:   0.0586 S13:  -0.0308                       
REMARK   3      S21:  -0.2965 S22:  -0.1457 S23:   0.0293                       
REMARK   3      S31:  -0.0293 S32:  -0.0830 S33:   0.0366                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3NSO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-JUL-10.                  
REMARK 100 THE RCSB ID CODE IS RCSB060230.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-MAY-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 95                                 
REMARK 200  PH                             : 9                                  
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : PHOTON FACTORY                     
REMARK 200  BEAMLINE                       : AR-NE3A                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1                                  
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 270                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30896                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.450                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
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) : 1.45                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.48                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 87.9                               
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: PDB ENTRY 3NSI                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 36.62                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, 0.1M BICINE , PH 9,    
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31                             
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,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       15.26567            
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       30.53133            
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: 3450 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 9260 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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 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    95                                                      
REMARK 465     GLU A    96                                                      
REMARK 465     PRO A    97                                                      
REMARK 465     PRO A    98                                                      
REMARK 465     SER A   100                                                      
REMARK 465     GLN A   101                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     SER B    95                                                      
REMARK 465     GLU B    96                                                      
REMARK 465     PRO B    97                                                      
REMARK 465     PRO B    98                                                      
REMARK 465     SER B   100                                                      
REMARK 465     GLN B   101                                                      
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     GLU A  69    CG   CD   OE1  OE2                                  
REMARK 470     CYS A  99    N    CA   C    O    CB                              
REMARK 470     CYS B  99    N    CA   C    O    CB                              
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OE1  GLN B    31     CG   ASN B    65              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A  22   NE  -  CZ  -  NH1 ANGL. DEV. =   3.3 DEGREES          
REMARK 500    ARG B  22   NE  -  CZ  -  NH1 ANGL. DEV. =   3.1 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    CYS B  68       39.94   -142.66                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3NSI   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3NSK   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3NSL   RELATED DB: PDB                                   
DBREF  3NSO A    1   101  UNP    P33764   S10A3_HUMAN      1    101             
DBREF  3NSO B    1   101  UNP    P33764   S10A3_HUMAN      1    101             
SEQRES   1 A  101  MET ALA ARG PRO LEU GLU GLN ALA VAL ALA ALA ILE VAL          
SEQRES   2 A  101  CYS THR PHE GLN GLU TYR ALA GLY ARG CYS GLY ASP LYS          
SEQRES   3 A  101  TYR LYS LEU CYS GLN ALA GLU LEU LYS GLU LEU LEU GLN          
SEQRES   4 A  101  LYS GLU LEU ALA THR TRP THR PRO THR GLU PHE ARG GLU          
SEQRES   5 A  101  CYS ASP TYR ASN LYS PHE MET SER VAL LEU ASP THR ASN          
SEQRES   6 A  101  LYS ASP CYS GLU VAL ASP PHE VAL GLU TYR VAL ARG SER          
SEQRES   7 A  101  LEU ALA CYS LEU CYS LEU TYR CYS HIS GLU TYR PHE LYS          
SEQRES   8 A  101  ASP CYS PRO SER GLU PRO PRO CYS SER GLN                      
SEQRES   1 B  101  MET ALA ARG PRO LEU GLU GLN ALA VAL ALA ALA ILE VAL          
SEQRES   2 B  101  CYS THR PHE GLN GLU TYR ALA GLY ARG CYS GLY ASP LYS          
SEQRES   3 B  101  TYR LYS LEU CYS GLN ALA GLU LEU LYS GLU LEU LEU GLN          
SEQRES   4 B  101  LYS GLU LEU ALA THR TRP THR PRO THR GLU PHE ARG GLU          
SEQRES   5 B  101  CYS ASP TYR ASN LYS PHE MET SER VAL LEU ASP THR ASN          
SEQRES   6 B  101  LYS ASP CYS GLU VAL ASP PHE VAL GLU TYR VAL ARG SER          
SEQRES   7 B  101  LEU ALA CYS LEU CYS LEU TYR CYS HIS GLU TYR PHE LYS          
SEQRES   8 B  101  ASP CYS PRO SER GLU PRO PRO CYS SER GLN                      
FORMUL   3  HOH   *133(H2 O)                                                    
HELIX    1   1 ARG A    3  GLY A   21  1                                  19    
HELIX    2   2 CYS A   30  LEU A   42  1                                  13    
HELIX    3   3 ARG A   51  ASN A   65  1                                  15    
HELIX    4   4 PHE A   72  HIS A   87  1                                  16    
HELIX    5   5 GLU A   88  LYS A   91  5                                   4    
HELIX    6   6 ARG B    3  GLY B   21  1                                  19    
HELIX    7   7 CYS B   30  LEU B   42  1                                  13    
HELIX    8   8 ARG B   51  ASN B   65  1                                  15    
HELIX    9   9 PHE B   72  HIS B   87  1                                  16    
HELIX   10  10 GLU B   88  LYS B   91  5                                   4    
SHEET    1   A 2 LYS A  28  LEU A  29  0                                        
SHEET    2   A 2 VAL A  70  ASP A  71 -1  O  VAL A  70   N  LEU A  29           
SHEET    1   B 2 LYS B  28  LEU B  29  0                                        
SHEET    2   B 2 VAL B  70  ASP B  71 -1  O  VAL B  70   N  LEU B  29           
SSBOND   1 CYS A   30    CYS A   68                          1555   1555  2.03  
SSBOND   2 CYS A   81    CYS A   99                          1555   1555  2.01  
SSBOND   3 CYS B   30    CYS B   68                          1555   1555  2.03  
SSBOND   4 CYS B   81    CYS B   99                          1555   1555  1.98  
CRYST1   58.673   58.673   45.797  90.00  90.00 120.00 P 31          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      0.017044  0.009840  0.000000        0.00000                         
SCALE2      0.000000  0.019680  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021835        0.00000