PDB Short entry for 1NKN
HEADER    CONTRACTILE PROTEIN                     03-JAN-03   1NKN              
TITLE     VISUALIZING AN UNSTABLE COILED COIL: THE CRYSTAL STRUCTURE            
TITLE    2 OF AN N-TERMINAL SEGMENT OF THE SCALLOP MYOSIN ROD                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: S2N51-GCN4;                                                
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ARGOPECTEN IRRADIANS, SACCHAROMYCES             
SOURCE   3 CEREVISIAE;                                                          
SOURCE   4 ORGANISM_COMMON: , BAKER'S YEAST;                                    
SOURCE   5 ORGANISM_TAXID: 31199,4932;                                          
SOURCE   6 STRAIN: ,;                                                           
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS;                            
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET15B                                    
KEYWDS    ALPHA HELIX, COILED COIL, CONTRACTILE PROTEIN                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.LI,J.H.BROWN,L.RESHETNIKOVA,A.BLAZSEK,L.FARKAS,L.NYITRAY,           
AUTHOR   2 C.COHEN                                                              
REVDAT   2   24-FEB-09 1NKN    1       VERSN                                    
REVDAT   1   22-JUL-03 1NKN    0                                                
JRNL        AUTH   Y.LI,J.H.BROWN,L.RESHETNIKOVA,A.BLAZSEK,L.FARKAS,            
JRNL        AUTH 2 L.NYITRAY,C.COHEN                                            
JRNL        TITL   VISUALIZATION OF AN UNSTABLE COILED COIL FROM THE            
JRNL        TITL 2 SCALLOP MYOSIN ROD                                           
JRNL        REF    NATURE                        V. 424   341 2003              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   12867988                                                     
JRNL        DOI    10.1038/NATURE01801                                          
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,             
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 87.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 12880                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.243                           
REMARK   3   FREE R VALUE                     : 0.289                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 911                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.50                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.55                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3224                       
REMARK   3   BIN FREE R VALUE                    : 0.4153                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 95                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2495                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 82                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 49.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.006                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.01                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : 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  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1NKN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JAN-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB017954.                                      
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                             : 6.9                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : A1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.939                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13342                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.4                               
REMARK 200  DATA REDUNDANCY                : 4.700                              
REMARK 200  R MERGE                    (I) : 0.06200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 21.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 75.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.76                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.20300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.280                              
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 56.14                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, SODIUM AZIDE,           
REMARK 280  MOPS, PEG 200 MME, PH 6.9, VAPOR DIFFUSION, HANGING DROP,           
REMARK 280  TEMPERATURE 289K                                                    
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       27.01700            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       51.48750            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       36.65150            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       51.48750            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.01700            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       36.65150            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: 3920 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11150 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 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: 4050 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 11070 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 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 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     GLY A   831                                                      
REMARK 465     SER A   832                                                      
REMARK 465     HIS A   833                                                      
REMARK 465     MET A   834                                                      
REMARK 465     PRO A   835                                                      
REMARK 465     LEU A   836                                                      
REMARK 465     LEU A   837                                                      
REMARK 465     SER A   838                                                      
REMARK 465     ILE A   839                                                      
REMARK 465     ALA A   840                                                      
REMARK 465     ARG A   841                                                      
REMARK 465     GLN A   842                                                      
REMARK 465     GLU A   843                                                      
REMARK 465     GLU A   844                                                      
REMARK 465     GLU A   845                                                      
REMARK 465     GLY B   831                                                      
REMARK 465     SER B   832                                                      
REMARK 465     HIS B   833                                                      
REMARK 465     MET B   834                                                      
REMARK 465     PRO B   835                                                      
REMARK 465     LEU B   836                                                      
REMARK 465     LEU B   837                                                      
REMARK 465     SER B   838                                                      
REMARK 465     ILE B   839                                                      
REMARK 465     ALA B   840                                                      
REMARK 465     ARG B   841                                                      
REMARK 465     GLN B   842                                                      
REMARK 465     ARG B   919                                                      
REMARK 465     GLY C   831                                                      
REMARK 465     SER C   832                                                      
REMARK 465     HIS C   833                                                      
REMARK 465     MET C   834                                                      
REMARK 465     PRO C   835                                                      
REMARK 465     LEU C   836                                                      
REMARK 465     LEU C   837                                                      
REMARK 465     SER C   838                                                      
REMARK 465     ILE C   839                                                      
REMARK 465     ALA C   840                                                      
REMARK 465     ARG C   841                                                      
REMARK 465     GLN C   842                                                      
REMARK 465     GLU C   843                                                      
REMARK 465     GLU C   844                                                      
REMARK 465     GLY D   831                                                      
REMARK 465     SER D   832                                                      
REMARK 465     HIS D   833                                                      
REMARK 465     MET D   834                                                      
REMARK 465     PRO D   835                                                      
REMARK 465     LEU D   836                                                      
REMARK 465     LEU D   837                                                      
REMARK 465     SER D   838                                                      
REMARK 465     ILE D   839                                                      
REMARK 465     ALA D   840                                                      
REMARK 465     ARG D   841                                                      
REMARK 465     GLN D   842                                                      
REMARK 465     ARG D   919                                                      
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     ARG A 919    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 470     ARG C 919    CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLU C 918      -48.99   -155.00                                   
REMARK 500    GLU D 844       -8.74    -44.48                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A  72        DISTANCE =  6.84 ANGSTROMS                       
REMARK 999                                                                      
REMARK 999 SEQUENCE AN APPROPRIATE SEQUENCE DATABASE REFERENCE WAS NOT          
REMARK 999 AVAILABLE AT THE TIME OF PROCESSING.                                 
DBREF  1NKN A  888   919  UNP    P03069   GCN4_YEAST     250    281             
DBREF  1NKN B  888   919  UNP    P03069   GCN4_YEAST     250    281             
DBREF  1NKN C  888   919  UNP    P03069   GCN4_YEAST     250    281             
DBREF  1NKN D  888   919  UNP    P03069   GCN4_YEAST     250    281             
SEQRES   1 A   89  GLY SER HIS MET PRO LEU LEU SER ILE ALA ARG GLN GLU          
SEQRES   2 A   89  GLU GLU MET LYS GLU GLN LEU LYS GLN MET ASP LYS MET          
SEQRES   3 A   89  LYS GLU ASP LEU ALA LYS THR GLU ARG ILE LYS LYS GLU          
SEQRES   4 A   89  LEU GLU GLU GLN ASN VAL THR LEU LEU GLU GLN LYS ASN          
SEQRES   5 A   89  ASP LEU PHE GLY SER MET LYS GLN LEU GLU ASP LYS VAL          
SEQRES   6 A   89  GLU GLU LEU LEU SER LYS ASN TYR HIS LEU GLU ASN GLU          
SEQRES   7 A   89  VAL ALA ARG LEU LYS LYS LEU VAL GLY GLU ARG                  
SEQRES   1 B   89  GLY SER HIS MET PRO LEU LEU SER ILE ALA ARG GLN GLU          
SEQRES   2 B   89  GLU GLU MET LYS GLU GLN LEU LYS GLN MET ASP LYS MET          
SEQRES   3 B   89  LYS GLU ASP LEU ALA LYS THR GLU ARG ILE LYS LYS GLU          
SEQRES   4 B   89  LEU GLU GLU GLN ASN VAL THR LEU LEU GLU GLN LYS ASN          
SEQRES   5 B   89  ASP LEU PHE GLY SER MET LYS GLN LEU GLU ASP LYS VAL          
SEQRES   6 B   89  GLU GLU LEU LEU SER LYS ASN TYR HIS LEU GLU ASN GLU          
SEQRES   7 B   89  VAL ALA ARG LEU LYS LYS LEU VAL GLY GLU ARG                  
SEQRES   1 C   89  GLY SER HIS MET PRO LEU LEU SER ILE ALA ARG GLN GLU          
SEQRES   2 C   89  GLU GLU MET LYS GLU GLN LEU LYS GLN MET ASP LYS MET          
SEQRES   3 C   89  LYS GLU ASP LEU ALA LYS THR GLU ARG ILE LYS LYS GLU          
SEQRES   4 C   89  LEU GLU GLU GLN ASN VAL THR LEU LEU GLU GLN LYS ASN          
SEQRES   5 C   89  ASP LEU PHE GLY SER MET LYS GLN LEU GLU ASP LYS VAL          
SEQRES   6 C   89  GLU GLU LEU LEU SER LYS ASN TYR HIS LEU GLU ASN GLU          
SEQRES   7 C   89  VAL ALA ARG LEU LYS LYS LEU VAL GLY GLU ARG                  
SEQRES   1 D   89  GLY SER HIS MET PRO LEU LEU SER ILE ALA ARG GLN GLU          
SEQRES   2 D   89  GLU GLU MET LYS GLU GLN LEU LYS GLN MET ASP LYS MET          
SEQRES   3 D   89  LYS GLU ASP LEU ALA LYS THR GLU ARG ILE LYS LYS GLU          
SEQRES   4 D   89  LEU GLU GLU GLN ASN VAL THR LEU LEU GLU GLN LYS ASN          
SEQRES   5 D   89  ASP LEU PHE GLY SER MET LYS GLN LEU GLU ASP LYS VAL          
SEQRES   6 D   89  GLU GLU LEU LEU SER LYS ASN TYR HIS LEU GLU ASN GLU          
SEQRES   7 D   89  VAL ALA ARG LEU LYS LYS LEU VAL GLY GLU ARG                  
FORMUL   5  HOH   *82(H2 O)                                                     
HELIX    1   1 MET A  846  GLY A  917  1                                  72    
HELIX    2   2 GLU B  845  GLY B  917  1                                  73    
HELIX    3   3 GLU C  845  GLY C  917  1                                  73    
HELIX    4   4 GLU D  845  VAL D  916  1                                  72    
CRYST1   54.034   73.303  102.975  90.00  90.00  90.00 P 21 21 21   16          
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      0.018507  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013642  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009711        0.00000