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Database: PDB
Entry: 3TT8
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Original site: 3TT8 
HEADER    HORMONE                                 14-SEP-11   3TT8              
TITLE     CRYSTAL STRUCTURE ANALYSIS OF CU HUMAN INSULIN DERIVATIVE             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: INSULIN A-CHAIN;                                           
COMPND   3 CHAIN: A, C;                                                         
COMPND   4 SYNONYM: INSULIN A CHAIN;                                            
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: INSULIN B-CHAIN;                                           
COMPND   8 CHAIN: B, D;                                                         
COMPND   9 SYNONYM: INSULIN B CHAIN;                                            
COMPND  10 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   4 ORGANISM_COMMON: HUMAN;                                              
SOURCE   5 ORGANISM_TAXID: 9606;                                                
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 SYNTHETIC: YES;                                                      
SOURCE   8 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   9 ORGANISM_COMMON: HUMAN;                                              
SOURCE  10 ORGANISM_TAXID: 9606                                                 
KEYWDS    CU INSULIN, HORMONE                                                   
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.PRUGOVECKI,D.MATKOVIC-CALOGOVIC                                     
REVDAT   2   13-SEP-23 3TT8    1       REMARK LINK                              
REVDAT   1   19-OCT-11 3TT8    0                                                
JRNL        AUTH   B.PRUGOVECKI,D.MATKOVIC-CALOGOVIC                            
JRNL        TITL   CRYSTAL STRUCTURE ANALYSIS OF CU HUMAN INSULIN DERIVATIVE    
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.12 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.12                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 24.14                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 30207                          
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) : 0.135                           
REMARK   3   R VALUE            (WORKING SET) : 0.132                           
REMARK   3   FREE R VALUE                     : 0.179                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1616                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 810                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 156                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.36                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.00000                                              
REMARK   3    B22 (A**2) : 0.00000                                              
REMARK   3    B33 (A**2) : 0.00000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
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): 0.038         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.022         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.981         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 3TT8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-11.                  
REMARK 100 THE DEPOSITION ID IS D_1000067889.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ELETTRA                            
REMARK 200  BEAMLINE                       : 5.2R                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.1.20                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 31826                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.120                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.780                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.9                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : 0.04800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.40                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.32300                            
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: AMORE                                                 
REMARK 200 STARTING MODEL: 1MSO                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 33.75                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1MM SODIUM CITRATE, VOLUME FRACTIONS     
REMARK 280  OF ACETONE 10% AND 7.5 MM COOPER(II) ACETATE MONOHYDRATE, PH 6.4,   
REMARK 280  VAPOR DIFFUSION, HANGING DROP                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       5555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       6555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290       7555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290       8555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290       9555   -X+Y+1/3,-X+2/3,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        0.00000            
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        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       40.78000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       23.54434            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       11.24900            
REMARK 290   SMTRY1   5 -0.500000 -0.866025  0.000000       40.78000            
REMARK 290   SMTRY2   5  0.866025 -0.500000  0.000000       23.54434            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       11.24900            
REMARK 290   SMTRY1   6 -0.500000  0.866025  0.000000       40.78000            
REMARK 290   SMTRY2   6 -0.866025 -0.500000  0.000000       23.54434            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       11.24900            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       47.08869            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       22.49800            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       47.08869            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       22.49800            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       47.08869            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       22.49800            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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: 1680 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 3700 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 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 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
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: 1580 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 3810 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -14.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC                
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 18520 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 13800 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -153.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 350   BIOMT3   3  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 CU    CU E   1  LIES ON A SPECIAL POSITION.                          
REMARK 375 CU    CU F   1  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH B 164  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH D  93  LIES ON A SPECIAL POSITION.                          
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH D    72     O    HOH D   119              2.03            
REMARK 500   O    HOH A   140     O    HOH A   151              2.04            
REMARK 500   O    HOH A   128     O    HOH B   166              2.10            
REMARK 500   O    HOH A   142     O    HOH A   147              2.12            
REMARK 500   O    HOH D    31     O    HOH D    76              2.15            
REMARK 500   O    HOH B    95     O    HOH D   135              2.17            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH B   159     O    HOH C    31     2556     1.91            
REMARK 500   OXT  ASN C    21     N    PHE D     1     9555     2.05            
REMARK 500   O    HOH D    31     O    HOH D    31     3555     2.07            
REMARK 500   O    HOH D    76     O    HOH D   123     2555     2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    TYR A  14   CE2   TYR A  14   CD2     0.095                       
REMARK 500    GLU A  17   CD    GLU A  17   OE1     0.070                       
REMARK 500    GLN B   4   CG    GLN B   4   CD      0.143                       
REMARK 500    GLN B   4   CD    GLN B   4   NE2     0.153                       
REMARK 500    CYS C  11   CB    CYS C  11   SG     -0.140                       
REMARK 500    SER D   9   CB    SER D   9   OG     -0.193                       
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    SER A   9     -123.95   -125.07                                   
REMARK 500    VAL D   2      -11.66   -162.50                                   
REMARK 500    VAL D   2        3.84   -162.50                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CU E   1  CU                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B  10   NE2                                                    
REMARK 620 2 HOH B  31   O   155.7                                              
REMARK 620 N                    1                                               
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CU F   1  CU                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS D  10   NE2                                                    
REMARK 620 2 HOH D  31   O   149.2                                              
REMARK 620 N                    1                                               
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CU E 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CU F 1                    
DBREF  3TT8 A    1    21  UNP    P01308   INS_HUMAN       90    110             
DBREF  3TT8 B    1    30  UNP    P01308   INS_HUMAN       25     54             
DBREF  3TT8 C    1    21  UNP    P01308   INS_HUMAN       90    110             
DBREF  3TT8 D    1    30  UNP    P01308   INS_HUMAN       25     54             
SEQRES   1 A   21  GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU          
SEQRES   2 A   21  TYR GLN LEU GLU ASN TYR CYS ASN                              
SEQRES   1 B   30  PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU          
SEQRES   2 B   30  ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR          
SEQRES   3 B   30  THR PRO LYS THR                                              
SEQRES   1 C   21  GLY ILE VAL GLU GLN CYS CYS THR SER ILE CYS SER LEU          
SEQRES   2 C   21  TYR GLN LEU GLU ASN TYR CYS ASN                              
SEQRES   1 D   30  PHE VAL ASN GLN HIS LEU CYS GLY SER HIS LEU VAL GLU          
SEQRES   2 D   30  ALA LEU TYR LEU VAL CYS GLY GLU ARG GLY PHE PHE TYR          
SEQRES   3 D   30  THR PRO LYS THR                                              
HET     CU  E   1       1                                                       
HET     CU  F   1       1                                                       
HETNAM      CU COPPER (II) ION                                                  
FORMUL   5   CU    2(CU 2+)                                                     
FORMUL   7  HOH   *156(H2 O)                                                    
HELIX    1   1 GLY A    1  SER A    9  1                                   9    
HELIX    2   2 SER A   12  ASN A   18  1                                   7    
HELIX    3   3 GLY B    8  GLY B   20  1                                  13    
HELIX    4   4 GLU B   21  GLY B   23  5                                   3    
HELIX    5   5 GLY C    1  CYS C    7  1                                   7    
HELIX    6   6 SER C   12  GLU C   17  1                                   6    
HELIX    7   7 ASN C   18  CYS C   20  5                                   3    
HELIX    8   8 GLY D    8  GLY D   20  1                                  13    
HELIX    9   9 GLU D   21  GLY D   23  5                                   3    
SHEET    1   A 2 PHE B  24  TYR B  26  0                                        
SHEET    2   A 2 PHE D  24  TYR D  26 -1  O  PHE D  24   N  TYR B  26           
SSBOND   1 CYS A    6    CYS A   11                          1555   1555  2.05  
SSBOND   2 CYS A    7    CYS B    7                          1555   1555  2.05  
SSBOND   3 CYS A   20    CYS B   19                          1555   1555  2.04  
SSBOND   4 CYS C    6    CYS C   11                          1555   1555  2.07  
SSBOND   5 CYS C    7    CYS D    7                          1555   1555  2.04  
SSBOND   6 CYS C   20    CYS D   19                          1555   1555  2.03  
LINK         NE2 HIS B  10                CU    CU E   1     1555   1555  2.05  
LINK         O   HOH B  31                CU    CU E   1     1555   1555  2.08  
LINK         NE2 HIS D  10                CU    CU F   1     1555   1555  2.06  
LINK         O   HOH D  31                CU    CU F   1     1555   1555  2.24  
SITE     1 AC1  2 HIS B  10  HOH B  31                                          
SITE     1 AC2  2 HIS D  10  HOH D  31                                          
CRYST1   81.560   81.560   33.747  90.00  90.00 120.00 H 3          18          
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      0.012261  0.007079  0.000000        0.00000                         
SCALE2      0.000000  0.014158  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.029632        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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