PDB Short entry for 2A1A
HEADER    PROTEIN SYNTHESIS/TRANSFERASE           19-JUN-05   2A1A              
TITLE     PKR KINASE DOMAIN-EIF2ALPHA COMPLEX                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: EUKARYOTIC TRANSLATION INITIATION FACTOR 2 ALPHA SUBUNIT;  
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: EIF-2- ALPHA;                                               
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: INTERFERON-INDUCED, DOUBLE-STRANDED RNA-ACTIVATED PROTEIN  
COMPND   9 KINASE;                                                              
COMPND  10 CHAIN: B;                                                            
COMPND  11 SYNONYM: INTERFERON-INDUCIBLE RNA-DEPENDENT PROTEIN KINASE, P68      
COMPND  12 KINASE, P1/EIF-2A PROTEIN KINASE;                                    
COMPND  13 EC: 2.7.1.-;                                                         
COMPND  14 ENGINEERED: YES;                                                     
COMPND  15 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE;                       
SOURCE   3 ORGANISM_COMMON: BAKER'S YEAST;                                      
SOURCE   4 ORGANISM_TAXID: 4932;                                                
SOURCE   5 GENE: SUI2, TIF211;                                                  
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 PLYSS;                            
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: MODIFIED PGEX-2T;                         
SOURCE  11 MOL_ID: 2;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE  13 ORGANISM_COMMON: HUMAN;                                              
SOURCE  14 ORGANISM_TAXID: 9606;                                                
SOURCE  15 GENE: PRKR, EIF2AK2, PKR;                                            
SOURCE  16 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  17 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  18 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 PLYSS;                            
SOURCE  19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  20 EXPRESSION_SYSTEM_PLASMID: MODIFIED PET14B                           
KEYWDS    TRANSFERASE, KINASE, PROTEIN BIOSYNTHESIS, PROTEIN SYNTHESIS-         
KEYWDS   2 TRANSFERASE COMPLEX                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.C.DAR,T.E.DEVER,F.SICHERI                                           
REVDAT   4   13-JUL-11 2A1A    1       VERSN                                    
REVDAT   3   24-FEB-09 2A1A    1       VERSN                                    
REVDAT   2   04-OCT-05 2A1A    1       JRNL                                     
REVDAT   1   27-SEP-05 2A1A    0                                                
JRNL        AUTH   A.C.DAR,T.E.DEVER,F.SICHERI                                  
JRNL        TITL   HIGHER-ORDER SUBSTRATE RECOGNITION OF EIF2ALPHA BY THE       
JRNL        TITL 2 RNA-DEPENDENT PROTEIN KINASE PKR.                            
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V. 122   887 2005              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   16179258                                                     
JRNL        DOI    10.1016/J.CELL.2005.06.044                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 29.51                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 14967                          
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) : 0.213                           
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.268                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1662                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.87                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 944                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 87.23                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3170                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 115                          
REMARK   3   BIN FREE R VALUE                    : 0.4050                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3503                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 15                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   B VALUE TYPE : LIKELY RESIDUAL                                     
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 61.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.35000                                             
REMARK   3    B22 (A**2) : -0.35000                                             
REMARK   3    B33 (A**2) : 0.52000                                              
REMARK   3    B12 (A**2) : -0.17000                                             
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): 1.206         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.382         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.269         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 30.651        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.943                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.902                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3565 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4788 ; 1.444 ; 1.975       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   427 ; 5.596 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   164 ;38.129 ;24.390       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   702 ;20.212 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    21 ;17.738 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   529 ; 0.098 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2603 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1554 ; 0.218 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  2390 ; 0.312 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   116 ; 0.151 ; 0.200       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):    22 ; 0.182 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):     3 ; 0.248 ; 0.200       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2200 ; 0.565 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  3454 ; 0.987 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1540 ; 1.228 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1334 ; 2.072 ; 4.500       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     3        A   175                          
REMARK   3    RESIDUE RANGE :   A   176        A   183                          
REMARK   3    ORIGIN FOR THE GROUP (A):  43.6850  97.8240 -88.8310              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0313 T22:   0.0287                                     
REMARK   3      T33:  -0.2047 T12:   0.0269                                     
REMARK   3      T13:  -0.0595 T23:   0.0304                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   4.0190 L22:   3.3806                                     
REMARK   3      L33:   5.6533 L12:   0.0802                                     
REMARK   3      L13:   1.0518 L23:   1.8939                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.2306 S12:   0.0444 S13:  -0.3038                       
REMARK   3      S21:   0.0201 S22:  -0.0830 S23:   0.1069                       
REMARK   3      S31:   0.1991 S32:  -0.2201 S33:  -0.1475                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 2                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B   255        B   541                          
REMARK   3    RESIDUE RANGE :   B     9        B    15                          
REMARK   3    ORIGIN FOR THE GROUP (A):  49.8430 126.8140 -57.3780              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1666 T22:   0.1028                                     
REMARK   3      T33:  -0.1754 T12:  -0.0017                                     
REMARK   3      T13:  -0.0957 T23:  -0.0800                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.0919 L22:   3.4687                                     
REMARK   3      L33:   2.1590 L12:  -1.3358                                     
REMARK   3      L13:  -0.5284 L23:   1.0503                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0718 S12:  -0.0965 S13:  -0.1679                       
REMARK   3      S21:   0.3212 S22:   0.2526 S23:  -0.5419                       
REMARK   3      S31:   0.4384 S32:   0.3095 S33:  -0.1807                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2A1A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUN-05.                  
REMARK 100 THE RCSB ID CODE IS RCSB033366.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-APR-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8                                  
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 14-BM-C                            
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 17397                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.5                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 24.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.90                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.45400                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1Q46 FOR CHAIN A AND A PKR HOMOLOGY MODEL (BASED     
REMARK 200  ON PDB ENTRIES 2CPK, 1BKX, 1FMO, 1ATP AND 1BX6 FOR CHAIN B.         
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.50                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-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      110.26667            
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       55.13333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       55.13333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      110.26667            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
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   BIOMT1   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000      292.02377            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000     -110.26667            
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     1                                                      
REMARK 465     SER A     2                                                      
REMARK 465     GLU A    49                                                      
REMARK 465     LEU A    50                                                      
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     GLN A    59                                                      
REMARK 465     LYS A    60                                                      
REMARK 465     SER B   351                                                      
REMARK 465     LYS B   352                                                      
REMARK 465     ASN B   353                                                      
REMARK 465     SER B   354                                                      
REMARK 465     SER B   542                                                      
REMARK 465     PRO B   543                                                      
REMARK 465     GLU B   544                                                      
REMARK 465     LYS B   545                                                      
REMARK 465     ASN B   546                                                      
REMARK 465     GLU B   547                                                      
REMARK 465     ARG B   548                                                      
REMARK 465     HIS B   549                                                      
REMARK 465     THR B   550                                                      
REMARK 465     ALA B   551                                                      
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     MET A  29    CG   SD   CE                                        
REMARK 470     LEU A  61    CG   CD1  CD2                                       
REMARK 470     ARG A 175    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     SER B 357    OG                                                  
REMARK 470     LYS B 444    CG   CD   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    ASN B   412     OD2  ASP B   470              2.08            
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    ASP A  16      -11.76     93.20                                   
REMARK 500    LYS A 174      -83.59   -108.96                                   
REMARK 500    TYR B 300       57.88    -98.50                                   
REMARK 500    ARG B 413       52.22   -109.71                                   
REMARK 500    ASP B 414       19.48   -161.28                                   
REMARK 500    ASN B 441       91.44    -57.13                                   
REMARK 500    TYR B 454      -18.81     75.94                                   
REMARK 500    SER B 461      -73.07   -104.06                                   
REMARK 500    ASP B 500       48.63   -102.61                                   
REMARK 500    ASP B 508      173.86    -59.66                                   
REMARK 500    LYS B 540       46.42    -72.21                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2A19   RELATED DB: PDB                                   
REMARK 900 PKR-EIF2ALPHA-AMP-PNP COMPLEX.                                       
DBREF  2A1A A    3   175  UNP    P20459   IF2A_YEAST       4    176             
DBREF  2A1A B  258   538  UNP    P19525   E2AK2_HUMAN    258    551             
SEQADV 2A1A GLY A    1  UNP  P20459              CLONING ARTIFACT               
SEQADV 2A1A SER A    2  UNP  P20459              CLONING ARTIFACT               
SEQADV 2A1A GLY B  255  UNP  P19525              CLONING ARTIFACT               
SEQADV 2A1A ALA B  256  UNP  P19525              CLONING ARTIFACT               
SEQADV 2A1A HIS B  257  UNP  P19525              CLONING ARTIFACT               
SEQADV 2A1A     B       UNP  P19525    ASP   338 DELETION                       
SEQADV 2A1A     B       UNP  P19525    ASP   339 DELETION                       
SEQADV 2A1A     B       UNP  P19525    SER   340 DELETION                       
SEQADV 2A1A     B       UNP  P19525    LEU   341 DELETION                       
SEQADV 2A1A     B       UNP  P19525    GLU   342 DELETION                       
SEQADV 2A1A     B       UNP  P19525    SER   343 DELETION                       
SEQADV 2A1A     B       UNP  P19525    SER   344 DELETION                       
SEQADV 2A1A     B       UNP  P19525    ASP   345 DELETION                       
SEQADV 2A1A     B       UNP  P19525    TYR   346 DELETION                       
SEQADV 2A1A     B       UNP  P19525    ASP   347 DELETION                       
SEQADV 2A1A     B       UNP  P19525    PRO   348 DELETION                       
SEQADV 2A1A     B       UNP  P19525    GLU   349 DELETION                       
SEQADV 2A1A     B       UNP  P19525    ASN   350 DELETION                       
SEQADV 2A1A ASN B  412  UNP  P19525    HIS   412 ENGINEERED                     
SEQADV 2A1A TPO B  446  UNP  P19525    THR   446 MODIFIED RESIDUE               
SEQADV 2A1A ALA B  551  UNP  P19525    CYS   551 ENGINEERED                     
SEQRES   1 A  175  GLY SER SER HIS CYS ARG PHE TYR GLU ASN LYS TYR PRO          
SEQRES   2 A  175  GLU ILE ASP ASP ILE VAL MET VAL ASN VAL GLN GLN ILE          
SEQRES   3 A  175  ALA GLU MET GLY ALA TYR VAL LYS LEU LEU GLU TYR ASP          
SEQRES   4 A  175  ASN ILE GLU GLY MET ILE LEU LEU SER GLU LEU SER ARG          
SEQRES   5 A  175  ARG ARG ILE ARG SER ILE GLN LYS LEU ILE ARG VAL GLY          
SEQRES   6 A  175  LYS ASN ASP VAL ALA VAL VAL LEU ARG VAL ASP LYS GLU          
SEQRES   7 A  175  LYS GLY TYR ILE ASP LEU SER LYS ARG ARG VAL SER SER          
SEQRES   8 A  175  GLU ASP ILE ILE LYS CYS GLU GLU LYS TYR GLN LYS SER          
SEQRES   9 A  175  LYS THR VAL HIS SER ILE LEU ARG TYR CYS ALA GLU LYS          
SEQRES  10 A  175  PHE GLN ILE PRO LEU GLU GLU LEU TYR LYS THR ILE ALA          
SEQRES  11 A  175  TRP PRO LEU SER ARG LYS PHE GLY HIS ALA TYR GLU ALA          
SEQRES  12 A  175  PHE LYS LEU SER ILE ILE ASP GLU THR VAL TRP GLU GLY          
SEQRES  13 A  175  ILE GLU PRO PRO SER LYS ASP VAL LEU ASP GLU LEU LYS          
SEQRES  14 A  175  ASN TYR ILE SER LYS ARG                                      
SEQRES   1 B  284  GLY ALA HIS THR VAL ASP LYS ARG PHE GLY MET ASP PHE          
SEQRES   2 B  284  LYS GLU ILE GLU LEU ILE GLY SER GLY GLY PHE GLY GLN          
SEQRES   3 B  284  VAL PHE LYS ALA LYS HIS ARG ILE ASP GLY LYS THR TYR          
SEQRES   4 B  284  VAL ILE LYS ARG VAL LYS TYR ASN ASN GLU LYS ALA GLU          
SEQRES   5 B  284  ARG GLU VAL LYS ALA LEU ALA LYS LEU ASP HIS VAL ASN          
SEQRES   6 B  284  ILE VAL HIS TYR ASN GLY CYS TRP ASP GLY PHE ASP TYR          
SEQRES   7 B  284  ASP PRO GLU THR SER SER LYS ASN SER SER ARG SER LYS          
SEQRES   8 B  284  THR LYS CYS LEU PHE ILE GLN MET GLU PHE CYS ASP LYS          
SEQRES   9 B  284  GLY THR LEU GLU GLN TRP ILE GLU LYS ARG ARG GLY GLU          
SEQRES  10 B  284  LYS LEU ASP LYS VAL LEU ALA LEU GLU LEU PHE GLU GLN          
SEQRES  11 B  284  ILE THR LYS GLY VAL ASP TYR ILE HIS SER LYS LYS LEU          
SEQRES  12 B  284  ILE ASN ARG ASP LEU LYS PRO SER ASN ILE PHE LEU VAL          
SEQRES  13 B  284  ASP THR LYS GLN VAL LYS ILE GLY ASP PHE GLY LEU VAL          
SEQRES  14 B  284  THR SER LEU LYS ASN ASP GLY LYS ARG TPO ARG SER LYS          
SEQRES  15 B  284  GLY THR LEU ARG TYR MET SER PRO GLU GLN ILE SER SER          
SEQRES  16 B  284  GLN ASP TYR GLY LYS GLU VAL ASP LEU TYR ALA LEU GLY          
SEQRES  17 B  284  LEU ILE LEU ALA GLU LEU LEU HIS VAL CYS ASP THR ALA          
SEQRES  18 B  284  PHE GLU THR SER LYS PHE PHE THR ASP LEU ARG ASP GLY          
SEQRES  19 B  284  ILE ILE SER ASP ILE PHE ASP LYS LYS GLU LYS THR LEU          
SEQRES  20 B  284  LEU GLN LYS LEU LEU SER LYS LYS PRO GLU ASP ARG PRO          
SEQRES  21 B  284  ASN THR SER GLU ILE LEU ARG THR LEU THR VAL TRP LYS          
SEQRES  22 B  284  LYS SER PRO GLU LYS ASN GLU ARG HIS THR ALA                  
MODRES 2A1A TPO B  446  THR  PHOSPHOTHREONINE                                   
HET    TPO  B 446      11                                                       
HETNAM     TPO PHOSPHOTHREONINE                                                 
HETSYN     TPO PHOSPHONOTHREONINE                                               
FORMUL   2  TPO    C4 H10 N O6 P                                                
FORMUL   3  HOH   *15(H2 O)                                                     
HELIX    1   1 SER A   90  GLN A  119  1                                  30    
HELIX    2   2 PRO A  121  ILE A  129  1                                   9    
HELIX    3   3 ILE A  129  GLY A  138  1                                  10    
HELIX    4   4 HIS A  139  ASP A  150  1                                  12    
HELIX    5   5 GLU A  151  GLU A  155  5                                   5    
HELIX    6   6 SER A  161  ILE A  172  1                                  12    
HELIX    7   7 ASP B  260  ASP B  266  1                                   7    
HELIX    8   8 ASN B  302  ALA B  305  5                                   4    
HELIX    9   9 GLU B  306  ALA B  313  1                                   8    
HELIX   10  10 THR B  373  ARG B  382  1                                  10    
HELIX   11  11 ASP B  387  LYS B  408  1                                  22    
HELIX   12  12 LYS B  416  SER B  418  5                                   3    
HELIX   13  13 SER B  456  SER B  461  1                                   6    
HELIX   14  14 LYS B  467  HIS B  483  1                                  17    
HELIX   15  15 THR B  487  ASP B  500  1                                  14    
HELIX   16  16 ASP B  508  LEU B  519  1                                  12    
HELIX   17  17 LYS B  522  ARG B  526  5                                   5    
HELIX   18  18 ASN B  528  LYS B  540  1                                  13    
SHEET    1   A 6 ILE A  18  ILE A  26  0                                        
SHEET    2   A 6 GLY A  30  LEU A  35 -1  O  TYR A  32   N  GLN A  25           
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  MET A  44           
SHEET    5   A 6 ASN A  67  ASP A  76 -1  N  VAL A  71   O  SER A  85           
SHEET    6   A 6 ILE A  18  ILE A  26 -1  N  VAL A  21   O  ASP A  68           
SHEET    1   B 5 PHE B 267  SER B 275  0                                        
SHEET    2   B 5 GLY B 279  HIS B 286 -1  O  LYS B 283   N  GLU B 271           
SHEET    3   B 5 THR B 292  LYS B 299 -1  O  ILE B 295   N  PHE B 282           
SHEET    4   B 5 LYS B 358  GLU B 367 -1  O  MET B 366   N  VAL B 294           
SHEET    5   B 5 TYR B 323  TYR B 332 -1  N  GLY B 325   O  GLN B 365           
SHEET    1   C 2 LEU B 410  ASN B 412  0                                        
SHEET    2   C 2 VAL B 436  SER B 438 -1  O  THR B 437   N  ILE B 411           
SHEET    1   D 2 ILE B 420  ASP B 424  0                                        
SHEET    2   D 2 GLN B 427  ILE B 430 -1  O  LYS B 429   N  PHE B 421           
LINK         C   ARG B 445                 N   TPO B 446     1555   1555  1.33  
LINK         C   TPO B 446                 N   ARG B 447     1555   1555  1.34  
CRYST1   84.300   84.300  165.400  90.00  90.00 120.00 P 32 2 1      6          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011862  0.006849  0.000000        0.00000                         
SCALE2      0.000000  0.013698  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006046        0.00000