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Database: PDB
Entry: 5N2N
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HEADER    TRANSFERASE                             08-FEB-17   5N2N              
TITLE     CRYSTAL STRUCTURE OF THE RECEIVER DOMAIN OF THE HISTIDINE KINASE CKI1 
TITLE    2 FROM ARABIDOPSIS THALIANA COMPLEXED WITH MG2+ AND BEF3-              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HISTIDINE KINASE CKI1;                                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PROTEIN CYTOKININ-INDEPENDENT 1;                            
COMPND   5 EC: 2.7.13.3;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA;                           
SOURCE   3 ORGANISM_COMMON: THALE CRESS;                                        
SOURCE   4 ORGANISM_TAXID: 3702;                                                
SOURCE   5 GENE: CKI1, AT2G47430, T30B22.27;                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG';        
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 866768                                      
KEYWDS    RECEIVER DOMAIN, HISTIDINE KINASE CKI1, (ALPHA/BETA)5 FOLD,           
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    O.OTRUSINOVA,G.DEMO,P.PADRTA,Z.JASENAKOVA,B.PEKAROVA,Z.GELOVA,        
AUTHOR   2 A.SZMITKOWSKA,P.KADERAVEK,S.JANSEN,M.ZACHRDLA,T.KLUMPLER,J.MAREK,    
AUTHOR   3 J.HRITZ,L.JANDA,H.IWAI,M.WIMMEROVA,J.HEJATKO,L.ZIDEK                 
REVDAT   3   17-JAN-24 5N2N    1       LINK                                     
REVDAT   2   01-NOV-17 5N2N    1       JRNL                                     
REVDAT   1   13-SEP-17 5N2N    0                                                
JRNL        AUTH   O.OTRUSINOVA,G.DEMO,P.PADRTA,Z.JASENAKOVA,B.PEKAROVA,        
JRNL        AUTH 2 Z.GELOVA,A.SZMITKOWSKA,P.KADERAVEK,S.JANSEN,M.ZACHRDLA,      
JRNL        AUTH 3 T.KLUMPLER,J.MAREK,J.HRITZ,L.JANDA,H.IWAI,M.WIMMEROVA,       
JRNL        AUTH 4 J.HEJATKO,L.ZIDEK                                            
JRNL        TITL   CONFORMATIONAL DYNAMICS ARE A KEY FACTOR IN SIGNALING        
JRNL        TITL 2 MEDIATED BY THE RECEIVER DOMAIN OF A SENSOR HISTIDINE KINASE 
JRNL        TITL 3 FROM ARABIDOPSIS THALIANA.                                   
JRNL        REF    J. BIOL. CHEM.                V. 292 17525 2017              
JRNL        REFN                   ESSN 1083-351X                               
JRNL        PMID   28860196                                                     
JRNL        DOI    10.1074/JBC.M117.790212                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.05 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0131                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.05                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 42.47                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 13028                          
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) : 0.184                           
REMARK   3   R VALUE            (WORKING SET) : 0.182                           
REMARK   3   FREE R VALUE                     : 0.225                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 658                             
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) : 2.05                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.10                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 936                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2020                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 55                           
REMARK   3   BIN FREE R VALUE                    : 0.2740                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1160                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 5                                       
REMARK   3   SOLVENT ATOMS            : 53                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 46.22                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.23000                                              
REMARK   3    B22 (A**2) : -0.15000                                             
REMARK   3    B33 (A**2) : -3.08000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.146         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.144         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.110         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.034         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.965                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.952                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1182 ; 0.019 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  1136 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1573 ; 1.850 ; 1.989       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  2629 ; 1.020 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   147 ; 6.029 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    56 ;39.178 ;24.821       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   228 ;16.178 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    10 ;22.273 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   176 ; 0.158 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1315 ; 0.009 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   241 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   594 ; 4.159 ; 4.102       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   593 ; 4.150 ; 4.098       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):   739 ; 5.479 ; 6.123       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):   740 ; 5.478 ; 6.128       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   588 ; 6.212 ; 4.957       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):   583 ; 6.220 ; 4.969       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):   832 ; 9.337 ; 7.108       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  1337 ;11.288 ;33.282       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  1329 ;11.301 ;33.238       
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  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : NULL                                                 
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 5N2N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-FEB-17.                  
REMARK 100 THE DEPOSITION ID IS D_1200003359.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 08-MAY-14                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.05                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : BESSY                              
REMARK 200  BEAMLINE                       : 14.1                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9184                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : PSI PILATUS 6M                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13705                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.050                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 46.740                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY                : 6.500                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.05                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.16                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.80                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.47000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: 3MM4                                                 
REMARK 200                                                                      
REMARK 200 REMARK: PRISM                                                        
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.27                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 2.54 M (NH4)2(SO4), 0.1 M MES PH 5.05,   
REMARK 280  12% GLYCEROL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289.0K     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 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       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       40.06950            
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       40.06950            
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   SMTRY1   5  1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       50.07600            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       50.07600            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       40.06950            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       50.07600            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       40.06950            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       26.42500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       50.07600            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
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: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 350 ANGSTROM**2                           
REMARK 350 SURFACE AREA OF THE COMPLEX: 7650 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A1342  LIES ON A SPECIAL POSITION.                          
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   925                                                      
REMARK 465     SER A   926                                                      
REMARK 465     SER A   927                                                      
REMARK 465     HIS A   928                                                      
REMARK 465     HIS A   929                                                      
REMARK 465     HIS A   930                                                      
REMARK 465     HIS A   931                                                      
REMARK 465     HIS A   932                                                      
REMARK 465     HIS A   933                                                      
REMARK 465     ARG A   940                                                      
REMARK 465     GLY A   941                                                      
REMARK 465     SER A   942                                                      
REMARK 465     HIS A   943                                                      
REMARK 465     MET A   944                                                      
REMARK 465     ALA A   945                                                      
REMARK 465     SER A   946                                                      
REMARK 465     THR A   947                                                      
REMARK 465     ASP A   948                                                      
REMARK 465     SER A   949                                                      
REMARK 465     GLU A   950                                                      
REMARK 465     SER A   951                                                      
REMARK 465     GLU A   952                                                      
REMARK 465     THR A   953                                                      
REMARK 465     ARG A   954                                                      
REMARK 465     VAL A   955                                                      
REMARK 465     LYS A   956                                                      
REMARK 465     SER A   957                                                      
REMARK 465     VAL A   958                                                      
REMARK 465     ARG A   959                                                      
REMARK 465     THR A   960                                                      
REMARK 465     GLY A   961                                                      
REMARK 465     ARG A   962                                                      
REMARK 465     LYS A   963                                                      
REMARK 465     PRO A   964                                                      
REMARK 465     ILE A   965                                                      
REMARK 465     GLY A   966                                                      
REMARK 465     ASN A   967                                                      
REMARK 465     PRO A   968                                                      
REMARK 465     GLU A   969                                                      
REMARK 465     ASP A   970                                                      
REMARK 465     GLU A   971                                                      
REMARK 465     GLN A   972                                                      
REMARK 465     GLU A   973                                                      
REMARK 465     THR A   974                                                      
REMARK 465     SER A   975                                                      
REMARK 465     LYS A   976                                                      
REMARK 465     PRO A   977                                                      
REMARK 465     ARG A  1121                                                      
REMARK 465     HIS A  1122                                                      
REMARK 465     LEU A  1123                                                      
REMARK 465     GLU A  1124                                                      
REMARK 465     HIS A  1125                                                      
REMARK 465     HIS A  1126                                                      
REMARK 465     HIS A  1127                                                      
REMARK 465     HIS A  1128                                                      
REMARK 465     HIS A  1129                                                      
REMARK 465     HIS A  1130                                                      
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  1347     O    HOH A  1348              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 998   NE  -  CZ  -  NH2 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    ASP A1050   CB  -  CG  -  OD2 ANGL. DEV. =  -7.1 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP A 979       30.13   -140.95                                   
REMARK 500    GLU A1055      -68.74     75.86                                   
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                              MG A1201  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 993   OD1                                                    
REMARK 620 2 ASP A1050   OD2  78.5                                              
REMARK 620 3 GLN A1052   O    93.7  84.4                                        
REMARK 620 4 HOH A1305   O    91.4  84.8 166.9                                  
REMARK 620 5 HOH A1309   O   104.7 159.1  74.8 115.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             BEF A1202  BE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A1050   OD1                                                    
REMARK 620 2 BEF A1202   F1   93.3                                              
REMARK 620 3 BEF A1202   F2   99.7 112.4                                        
REMARK 620 4 BEF A1202   F3   96.6 121.1 122.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 1201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BEF A 1202                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3MM4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 3MMN   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5LNM   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 5LNN   RELATED DB: PDB                                   
DBREF  5N2N A  944  1122  UNP    O22267   CKI1_ARATH     944   1122             
SEQADV 5N2N GLY A  925  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N SER A  926  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N SER A  927  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  928  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  929  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  930  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  931  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  932  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  933  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N SER A  934  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N SER A  935  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N GLY A  936  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N LEU A  937  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N VAL A  938  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N PRO A  939  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N ARG A  940  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N GLY A  941  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N SER A  942  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A  943  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N LEU A 1123  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N GLU A 1124  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A 1125  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A 1126  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A 1127  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A 1128  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A 1129  UNP  O22267              EXPRESSION TAG                 
SEQADV 5N2N HIS A 1130  UNP  O22267              EXPRESSION TAG                 
SEQRES   1 A  206  GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY LEU          
SEQRES   2 A  206  VAL PRO ARG GLY SER HIS MET ALA SER THR ASP SER GLU          
SEQRES   3 A  206  SER GLU THR ARG VAL LYS SER VAL ARG THR GLY ARG LYS          
SEQRES   4 A  206  PRO ILE GLY ASN PRO GLU ASP GLU GLN GLU THR SER LYS          
SEQRES   5 A  206  PRO SER ASP ASP GLU PHE LEU ARG GLY LYS ARG VAL LEU          
SEQRES   6 A  206  VAL VAL ASP ASP ASN PHE ILE SER ARG LYS VAL ALA THR          
SEQRES   7 A  206  GLY LYS LEU LYS LYS MET GLY VAL SER GLU VAL GLU GLN          
SEQRES   8 A  206  CYS ASP SER GLY LYS GLU ALA LEU ARG LEU VAL THR GLU          
SEQRES   9 A  206  GLY LEU THR GLN ARG GLU GLU GLN GLY SER VAL ASP LYS          
SEQRES  10 A  206  LEU PRO PHE ASP TYR ILE PHE MET ASP CYS GLN MET PRO          
SEQRES  11 A  206  GLU MET ASP GLY TYR GLU ALA THR ARG GLU ILE ARG LYS          
SEQRES  12 A  206  VAL GLU LYS SER TYR GLY VAL ARG THR PRO ILE ILE ALA          
SEQRES  13 A  206  VAL SER GLY HIS ASP PRO GLY SER GLU GLU ALA ARG GLU          
SEQRES  14 A  206  THR ILE GLN ALA GLY MET ASP ALA PHE LEU ASP LYS SER          
SEQRES  15 A  206  LEU ASN GLN LEU ALA ASN VAL ILE ARG GLU ILE GLU SER          
SEQRES  16 A  206  LYS ARG HIS LEU GLU HIS HIS HIS HIS HIS HIS                  
HET     MG  A1201       1                                                       
HET    BEF  A1202       4                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     BEF BERYLLIUM TRIFLUORIDE ION                                        
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  BEF    BE F3 1-                                                     
FORMUL   4  HOH   *53(H2 O)                                                     
HELIX    1 AA1 ASN A  994  MET A 1008  1                                  15    
HELIX    2 AA2 SER A 1018  GLY A 1037  1                                  20    
HELIX    3 AA3 ASP A 1057  SER A 1071  1                                  15    
HELIX    4 AA4 GLY A 1087  GLY A 1098  1                                  12    
HELIX    5 AA5 GLN A 1109  LYS A 1120  1                                  12    
SHEET    1 AA1 6 GLY A 936  LEU A 937  0                                        
SHEET    2 AA1 6 ALA A1101  ASP A1104 -1  O  PHE A1102   N  GLY A 936           
SHEET    3 AA1 6 ILE A1078  SER A1082  1  N  ALA A1080   O  LEU A1103           
SHEET    4 AA1 6 TYR A1046  ASP A1050  1  N  ILE A1047   O  ILE A1079           
SHEET    5 AA1 6 ARG A 987  VAL A 991  1  N  LEU A 989   O  PHE A1048           
SHEET    6 AA1 6 GLU A1012  CYS A1016  1  O  GLU A1012   N  VAL A 988           
LINK         OD1 ASP A 993                MG    MG A1201     1555   1555  2.10  
LINK         OD2 ASP A1050                MG    MG A1201     1555   1555  2.18  
LINK         OD1 ASP A1050                BE   BEF A1202     1555   1555  1.76  
LINK         O   GLN A1052                MG    MG A1201     1555   1555  2.14  
LINK        MG    MG A1201                 O   HOH A1305     1555   1555  2.19  
LINK        MG    MG A1201                 O   HOH A1309     1555   1555  2.20  
SITE     1 AC1  6 ASP A 993  ASP A1050  GLN A1052  BEF A1202                    
SITE     2 AC1  6 HOH A1305  HOH A1309                                          
SITE     1 AC2 10 ASP A1050  CYS A1051  GLN A1052  VAL A1081                    
SITE     2 AC2 10 SER A1082  GLY A1083  LYS A1105   MG A1201                    
SITE     3 AC2 10 HOH A1305  HOH A1309                                          
CRYST1   52.850  100.152   80.139  90.00  90.00  90.00 C 2 2 21      8          
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      0.018921  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009985  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012478        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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