HEADER    TRANSLATION                             11-DEC-01   1KL9              
TITLE     CRYSTAL STRUCTURE OF THE N-TERMINAL SEGMENT OF HUMAN EUKARYOTIC       
TITLE    2 INITIATION FACTOR 2ALPHA                                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: EUKARYOTIC TRANSLATION INITIATION FACTOR 2 SUBUNIT 1;      
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 1-182;                                            
COMPND   5 SYNONYM: EUKARYOTIC TRANSLATION INITIATION FACTOR 2 ALPHA SUBUNIT;   
COMPND   6 EIF-2-ALPHA; EIF-2ALPHA; EIF-2A;                                     
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    OB FOLD, HELICAL DOMAIN, TRANSLATION                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.C.NONATO,J.WIDOM,J.CLARDY                                           
REVDAT   6   16-OCT-24 1KL9    1       REMARK SEQADV LINK                       
REVDAT   5   31-JAN-18 1KL9    1       REMARK                                   
REVDAT   4   13-JUL-11 1KL9    1       VERSN                                    
REVDAT   3   24-FEB-09 1KL9    1       VERSN                                    
REVDAT   2   05-APR-05 1KL9    1       JRNL   REMARK                            
REVDAT   1   11-MAR-02 1KL9    0                                                
JRNL        AUTH   M.C.NONATO,J.WIDOM,J.CLARDY                                  
JRNL        TITL   CRYSTAL STRUCTURE OF THE N-TERMINAL SEGMENT OF HUMAN         
JRNL        TITL 2 EUKARYOTIC TRANSLATION INITIATION FACTOR 2ALPHA              
JRNL        REF    J.BIOL.CHEM.                  V. 277 17057 2002              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11859078                                                     
JRNL        DOI    10.1074/JBC.M111804200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.90 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) : 1.90                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 3.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 14172                          
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) : 0.198                           
REMARK   3   FREE R VALUE                     : 0.233                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 723                             
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1293                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 4                                       
REMARK   3   SOLVENT ATOMS            : 94                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.60                          
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): NULL          
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): NULL          
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL          
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.016 ; 0.021               
REMARK   3    ANGLE DISTANCE                  (A) : 1.199 ; 1.949               
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : 0.005 ; 0.020               
REMARK   3    H-BOND OR METAL COORDINATION    (A) : 0.171 ; 0.500               
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : 0.005 ; 0.020               
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : 0.065 ; 0.200               
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) : 8.157 ; 0.000                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 10.581; 0.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 22.186; 0.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 27.975; 0.000                
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1KL9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-DEC-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000015075.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 27-DEC-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F2                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9795, 0.9793, 0.9640             
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL                     
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14922                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.900                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 60.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.500                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.9                               
REMARK 200  DATA REDUNDANCY                : 6.000                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.7000                             
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       : 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: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SHARP                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE, ZINC           
REMARK 280  CHLORIDE, PH 5.5, VAPOR DIFFUSION, SITTING DROP AT 295K             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       60.71000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       60.71000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
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, 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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 2420 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 15770 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -262.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1350 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 16640 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -169.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       37.28000            
REMARK 350   BIOMT2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000       60.71000            
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     PRO A     1                                                      
REMARK 465     GLY A     2                                                      
REMARK 465     SER A    51                                                      
REMARK 465     ARG A    52                                                      
REMARK 465     ARG A    53                                                      
REMARK 465     ARG A    54                                                      
REMARK 465     ILE A    55                                                      
REMARK 465     ARG A    56                                                      
REMARK 465     SER A    57                                                      
REMARK 465     ILE A    58                                                      
REMARK 465     ASN A    59                                                      
REMARK 465     LYS A    60                                                      
REMARK 465     LEU A    61                                                      
REMARK 465     ILE A    62                                                      
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     LYS A  11    NZ                                                  
REMARK 470     ARG A  24    NH1  NH2                                            
REMARK 470     GLU A  28    CB   CG   CD   OE1  OE2                             
REMARK 470     MSE A  29    CB   CG  SE    CE                                   
REMARK 470     LEU A  46    CG   CD1  CD2                                       
REMARK 470     LEU A  50    CD1  CD2                                            
REMARK 470     ARG A  63    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ILE A  64    CG2  CD1                                            
REMARK 470     ARG A  66    CD   NE   CZ   NH1  NH2                             
REMARK 470     GLU A  68    CD   OE1  OE2                                       
REMARK 470     ARG A  74    NE   CZ   NH1  NH2                                  
REMARK 470     GLU A  78    CG   CD   OE1  OE2                                  
REMARK 470     LYS A  79    CD   CE   NZ                                        
REMARK 470     TYR A  81    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     LYS A  86    CE   NZ                                             
REMARK 470     ARG A  87    CZ   NH1  NH2                                       
REMARK 470     GLU A  92    CD   OE1  OE2                                       
REMARK 470     LYS A 105    CE   NZ                                             
REMARK 470     ARG A 112    NE   CZ   NH1  NH2                                  
REMARK 470     LYS A 122    CD   CE   NZ                                        
REMARK 470     GLU A 124    CD   OE1  OE2                                       
REMARK 470     LYS A 153    CE   NZ                                             
REMARK 470     GLU A 169    CD   OE1  OE2                                       
REMARK 470     ARG A 172    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU A 173    CG   CD   OE1  OE2                                  
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS A   96   CE   NZ                                             
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 A   544     O    HOH A   593              2.18            
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 A   587     O    HOH A   596     4555     2.12            
REMARK 500   O    HOH A   593     O    HOH A   593     4555     2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    GLU A  16      -11.88     87.54                                   
REMARK 500    THR A 133      -88.39   -127.88                                   
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                              ZN A 502  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  10   NE2                                                    
REMARK 620 2 HOH A 587   O   113.4                                              
REMARK 620 3 HOH A 596   O   110.3  58.3                                        
REMARK 620 N                    1     2                                         
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 501  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  42   OE2                                                    
REMARK 620 2 GLU A  42   OE1  56.2                                              
REMARK 620 3 HIS A 154   NE2  86.0 116.2                                        
REMARK 620 4 ASP A 158   OD2  88.6 110.3 118.8                                  
REMARK 620 5 HOH A 592   O   160.2 107.7 112.9  87.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 503                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 504                  
DBREF  1KL9 A    1   182  UNP    P05198   IF2A_HUMAN       1    182             
SEQADV 1KL9 MSE A   20  UNP  P05198    MET    20 CLONING ARTIFACT               
SEQADV 1KL9 MSE A   29  UNP  P05198    MET    29 CLONING ARTIFACT               
SEQADV 1KL9 MSE A   44  UNP  P05198    MET    44 CLONING ARTIFACT               
SEQRES   1 A  182  PRO GLY LEU SER CYS ARG PHE TYR GLN HIS LYS PHE PRO          
SEQRES   2 A  182  GLU VAL GLU ASP VAL VAL MSE VAL ASN VAL ARG SER ILE          
SEQRES   3 A  182  ALA GLU MSE GLY ALA TYR VAL SER LEU LEU GLU TYR ASN          
SEQRES   4 A  182  ASN ILE GLU GLY MSE ILE LEU LEU SER GLU LEU SER ARG          
SEQRES   5 A  182  ARG ARG ILE ARG SER ILE ASN LYS LEU ILE ARG ILE GLY          
SEQRES   6 A  182  ARG ASN GLU CYS VAL VAL VAL ILE ARG VAL ASP LYS GLU          
SEQRES   7 A  182  LYS GLY TYR ILE ASP LEU SER LYS ARG ARG VAL SER PRO          
SEQRES   8 A  182  GLU GLU ALA ILE LYS CYS GLU ASP LYS PHE THR LYS SER          
SEQRES   9 A  182  LYS THR VAL TYR SER ILE LEU ARG HIS VAL ALA GLU VAL          
SEQRES  10 A  182  LEU GLU TYR THR LYS ASP GLU GLN LEU GLU SER LEU PHE          
SEQRES  11 A  182  GLN ARG THR ALA TRP VAL PHE ASP ASP LYS TYR LYS ARG          
SEQRES  12 A  182  PRO GLY TYR GLY ALA TYR ASP ALA PHE LYS HIS ALA VAL          
SEQRES  13 A  182  SER ASP PRO SER ILE LEU ASP SER LEU ASP LEU ASN GLU          
SEQRES  14 A  182  ASP GLU ARG GLU VAL LEU ILE ASN ASN ILE ASN ARG ARG          
MODRES 1KL9 MSE A   20  MET  SELENOMETHIONINE                                   
MODRES 1KL9 MSE A   29  MET  SELENOMETHIONINE                                   
MODRES 1KL9 MSE A   44  MET  SELENOMETHIONINE                                   
HET    MSE  A  20       8                                                       
HET    MSE  A  29       4                                                       
HET    MSE  A  44       8                                                       
HET     ZN  A 501       1                                                       
HET     ZN  A 502       1                                                       
HET     ZN  A 503       1                                                       
HET     ZN  A 504       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      ZN ZINC ION                                                         
FORMUL   1  MSE    3(C5 H11 N O2 SE)                                            
FORMUL   2   ZN    4(ZN 2+)                                                     
FORMUL   6  HOH   *94(H2 O)                                                     
HELIX    1   1 SER A   48  LEU A   50  5                                   3    
HELIX    2   2 SER A   90  LEU A  118  1                                  29    
HELIX    3   3 LYS A  122  THR A  133  1                                  12    
HELIX    4   4 THR A  133  LYS A  142  1                                  10    
HELIX    5   5 GLY A  145  ASP A  158  1                                  14    
HELIX    6   6 PRO A  159  ASP A  163  5                                   5    
HELIX    7   7 ASN A  168  ARG A  182  1                                  15    
SHEET    1   A 6 VAL A  18  ILE A  26  0                                        
SHEET    2   A 6 GLY A  30  LEU A  35 -1  O  SER A  34   N  ASN A  22           
SHEET    3   A 6 GLU A  42  LEU A  46 -1  O  ILE A  45   N  ALA A  31           
SHEET    4   A 6 TYR A  81  SER A  85  1  O  LEU A  84   N  MSE A  44           
SHEET    5   A 6 ASN A  67  ASP A  76 -1  N  ARG A  74   O  ASP A  83           
SHEET    6   A 6 VAL A  18  ILE A  26 -1  N  VAL A  21   O  GLU A  68           
SSBOND   1 CYS A   69    CYS A   97                          1555   1555  2.11  
LINK         C   VAL A  19                 N   MSE A  20     1555   1555  1.32  
LINK         C   MSE A  20                 N   VAL A  21     1555   1555  1.33  
LINK         C   GLU A  28                 N   MSE A  29     1555   1555  1.33  
LINK         C   MSE A  29                 N   GLY A  30     1555   1555  1.33  
LINK         C   GLY A  43                 N   MSE A  44     1555   1555  1.32  
LINK         C   MSE A  44                 N   ILE A  45     1555   1555  1.32  
LINK         NE2AHIS A  10                ZN    ZN A 502     1555   1555  2.35  
LINK         OE2 GLU A  42                ZN    ZN A 501     1545   1555  2.56  
LINK         OE1 GLU A  42                ZN    ZN A 501     1545   1555  1.95  
LINK         NE2 HIS A 154                ZN    ZN A 501     1555   1555  1.97  
LINK         OD2 ASP A 158                ZN    ZN A 501     1555   1555  1.81  
LINK        ZN    ZN A 501                 O   HOH A 592     1555   1555  1.83  
LINK        ZN    ZN A 502                 O   HOH A 587     1555   4555  2.22  
LINK        ZN    ZN A 502                 O   HOH A 596     1555   1555  2.14  
LINK        ZN    ZN A 504                 O   HOH A 584     1555   3655  2.67  
SITE     1 AC1  4 GLU A  42  HIS A 154  ASP A 158  HOH A 592                    
SITE     1 AC2  3 HIS A  10  HOH A 587  HOH A 596                               
SITE     1 AC3  5 HIS A  10  LYS A  11  PHE A  12  LYS A  77                    
SITE     2 AC3  5 LYS A 142                                                     
SITE     1 AC4  3 HIS A 113  GLU A 119  HOH A 584                               
CRYST1   37.280   44.200  121.420  90.00  90.00  90.00 P 2 2 21      4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.026824  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.022624  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008236        0.00000