HEADER    TRANSFERASE                             27-JAN-10   3LKM              
TITLE     1.6 ANGSTROM CRYSTAL STRUCTURE OF THE ALPHA-KINASE DOMAIN OF MYOSIN   
TITLE    2 HEAVY CHAIN KINASE A COMPLEX WITH AMP                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: MYOSIN HEAVY CHAIN KINASE A;                               
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: UNP RESIDUES 552-841;                                      
COMPND   5 SYNONYM: MHCK-A;                                                     
COMPND   6 EC: 2.7.11.7;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: DICTYOSTELIUM DISCOIDEUM;                       
SOURCE   3 ORGANISM_COMMON: SLIME MOLD;                                         
SOURCE   4 ORGANISM_TAXID: 44689;                                               
SOURCE   5 STRAIN: AX3;                                                         
SOURCE   6 GENE: DDB_G0291231, MHCKA, MHKA;                                     
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE  10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  11 EXPRESSION_SYSTEM_PLASMID: PET28A                                    
KEYWDS    PROTEIN KINASE-LIKE FOLD, ATP-BINDING, KINASE, NUCLEOTIDE-BINDING,    
KEYWDS   2 SERINE/THREONINE-PROTEIN KINASE, ALPHA-KINASE, COILED COIL, WD       
KEYWDS   3 REPEAT, TRANSFERASE                                                  
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Q.YE,Z.JIA                                                            
REVDAT   2   21-FEB-24 3LKM    1       REMARK SEQADV LINK                       
REVDAT   1   16-MAR-10 3LKM    0                                                
JRNL        AUTH   Q.YE,S.W.CRAWLEY,Y.YANG,G.P.COTE,Z.JIA                       
JRNL        TITL   CRYSTAL STRUCTURE OF THE {ALPHA}-KINASE DOMAIN OF            
JRNL        TITL 2 DICTYOSTELIUM MYOSIN HEAVY CHAIN KINASE A.                   
JRNL        REF    SCI.SIGNAL.                   V.   3  RA17 2010              
JRNL        REFN                   ESSN 1937-9145                               
JRNL        PMID   20197546                                                     
JRNL        DOI    10.1126/SCISIGNAL.2000525                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.60 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.4.0069                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 28.28                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 34910                          
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) : 0.195                           
REMARK   3   R VALUE            (WORKING SET) : 0.194                           
REMARK   3   FREE R VALUE                     : 0.224                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1849                            
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) : 1.60                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.64                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1941                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 73.42                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2120                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 103                          
REMARK   3   BIN FREE R VALUE                    : 0.2480                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1964                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 37                                      
REMARK   3   SOLVENT ATOMS            : 305                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 14.73                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.01000                                              
REMARK   3    B22 (A**2) : -0.05000                                             
REMARK   3    B33 (A**2) : 0.04000                                              
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): 0.096         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.095         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.050         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.357         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.942                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.925                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2039 ; 0.006 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2755 ; 1.135 ; 1.989       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   244 ; 5.666 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    88 ;37.799 ;25.341       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   373 ;11.660 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):     7 ;17.660 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   300 ; 0.073 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1498 ; 0.004 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
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):  1228 ; 0.591 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1988 ; 1.155 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   811 ; 1.745 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   767 ; 2.918 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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 : 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 3LKM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JAN-10.                  
REMARK 100 THE DEPOSITION ID IS D_1000057392.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-APR-07; 22-MAR-07               
REMARK 200  TEMPERATURE           (KELVIN) : 100; NULL                          
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; N                               
REMARK 200  RADIATION SOURCE               : CHESS; ROTATING ANODE              
REMARK 200  BEAMLINE                       : F1; NULL                           
REMARK 200  X-RAY GENERATOR MODEL          : NULL; RIGAKU MICROMAX-007 HF       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.918; 2.29                        
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; CR VARIMAX MULTILAYER        
REMARK 200                                   OPTICS                             
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; IMAGE PLATE                   
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 1; RIGAKU RAXIS IV    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37007                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.6                               
REMARK 200  DATA REDUNDANCY                : 10.30                              
REMARK 200  R MERGE                    (I) : 0.06600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 46.5200                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 78.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.19000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 9.770                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL                        
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
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   (%): 43.48                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 0.2M POTASSIUM             
REMARK 280  PHOSPHATE, 0.1M TRIS-HCL, PH 7.5, VAPOR DIFFUSION, HANGING DROP,    
REMARK 280  TEMPERATURE 277K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000       38.11200            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       41.88850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       38.11200            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       41.88850            
REMARK 290   SMTRY3   4  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 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 A 203  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     MET A   535                                                      
REMARK 465     GLY A   536                                                      
REMARK 465     GLY A   537                                                      
REMARK 465     HIS A   538                                                      
REMARK 465     HIS A   539                                                      
REMARK 465     HIS A   540                                                      
REMARK 465     HIS A   541                                                      
REMARK 465     HIS A   542                                                      
REMARK 465     HIS A   543                                                      
REMARK 465     GLY A   544                                                      
REMARK 465     GLU A   545                                                      
REMARK 465     ASN A   546                                                      
REMARK 465     LEU A   547                                                      
REMARK 465     TYR A   548                                                      
REMARK 465     PHE A   549                                                      
REMARK 465     GLN A   550                                                      
REMARK 465     GLY A   551                                                      
REMARK 465     ILE A   552                                                      
REMARK 465     SER A   553                                                      
REMARK 465     SER A   554                                                      
REMARK 465     GLU A   555                                                      
REMARK 465     THR A   612                                                      
REMARK 465     THR A   613                                                      
REMARK 465     THR A   614                                                      
REMARK 465     GLU A   650                                                      
REMARK 465     ALA A   651                                                      
REMARK 465     LYS A   808                                                      
REMARK 465     LEU A   809                                                      
REMARK 465     GLY A   810                                                      
REMARK 465     GLY A   811                                                      
REMARK 465     VAL A   812                                                      
REMARK 465     LEU A   813                                                      
REMARK 465     SER A   814                                                      
REMARK 465     GLY A   815                                                      
REMARK 465     ASN A   816                                                      
REMARK 465     ASN A   817                                                      
REMARK 465     LYS A   818                                                      
REMARK 465     LYS A   819                                                      
REMARK 465     GLN A   820                                                      
REMARK 465     LEU A   821                                                      
REMARK 465     GLN A   822                                                      
REMARK 465     GLN A   823                                                      
REMARK 465     GLY A   824                                                      
REMARK 465     THR A   825                                                      
REMARK 465     MET A   826                                                      
REMARK 465     VAL A   827                                                      
REMARK 465     MET A   828                                                      
REMARK 465     PRO A   829                                                      
REMARK 465     ASP A   830                                                      
REMARK 465     ILE A   831                                                      
REMARK 465     LEU A   832                                                      
REMARK 465     PRO A   833                                                      
REMARK 465     GLU A   834                                                      
REMARK 465     LEU A   835                                                      
REMARK 465     MET A   836                                                      
REMARK 465     PRO A   837                                                      
REMARK 465     SER A   838                                                      
REMARK 465     ASP A   839                                                      
REMARK 465     ASN A   840                                                      
REMARK 465     THR A   841                                                      
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   109     O    HOH A   125              2.13            
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    LEU A 610       86.15     77.92                                   
REMARK 500    LEU A 616      121.54     73.43                                   
REMARK 500    ASN A 638      125.03    -36.33                                   
REMARK 500    SER A 702       63.88    -65.09                                   
REMARK 500    SER A 703     -119.63   -154.28                                   
REMARK 500    TYR A 727       43.15   -147.96                                   
REMARK 500    VAL A 755     -161.06   -128.21                                   
REMARK 500    ASP A 761     -120.50     49.66                                   
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 A 902  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  38   O                                                      
REMARK 620 2 HOH A 100   O    93.7                                              
REMARK 620 3 HOH A 117   O   152.3  65.0                                        
REMARK 620 4 ASP A 766   OD1  76.0  85.8  84.6                                  
REMARK 620 5 PRO A 767   O    78.9 169.3 119.3  85.0                            
REMARK 620 6 GLN A 768   OE1  97.6  93.9 101.2 173.5  94.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 903  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A  50   O                                                      
REMARK 620 2 HOH A  82   O   142.1                                              
REMARK 620 3 HOH A 273   O    73.0  69.6                                        
REMARK 620 4 GLY A 776   O   126.8  85.4 148.7                                  
REMARK 620 5 GLY A 778   O    77.3  88.5  77.1  84.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 901  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 115   O                                                      
REMARK 620 2 GLN A 758   OE1 116.6                                              
REMARK 620 3 AMP A 907   O1P 108.0 116.3                                        
REMARK 620 4 AMP A 907   O3'  94.8 117.7 100.4                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 904  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 742   ND1                                                    
REMARK 620 2 HIS A 794   NE2 100.3                                              
REMARK 620 3 CYS A 796   SG  101.4 109.0                                        
REMARK 620 4 CYS A 800   SG  118.4 109.1 117.1                                  
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 901                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 902                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 903                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 904                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 905                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 906                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE AMP A 907                 
DBREF  3LKM A  552   841  UNP    P42527   MHCKA_DICDI    552    841             
SEQADV 3LKM MET A  535  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM GLY A  536  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM GLY A  537  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM HIS A  538  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM HIS A  539  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM HIS A  540  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM HIS A  541  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM HIS A  542  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM HIS A  543  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM GLY A  544  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM GLU A  545  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM ASN A  546  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM LEU A  547  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM TYR A  548  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM PHE A  549  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM GLN A  550  UNP  P42527              EXPRESSION TAG                 
SEQADV 3LKM GLY A  551  UNP  P42527              EXPRESSION TAG                 
SEQRES   1 A  307  MET GLY GLY HIS HIS HIS HIS HIS HIS GLY GLU ASN LEU          
SEQRES   2 A  307  TYR PHE GLN GLY ILE SER SER GLU THR GLY GLU MET GLY          
SEQRES   3 A  307  ILE LEU TRP GLU PHE ASP PRO ILE ILE ASN LYS TRP ILE          
SEQRES   4 A  307  ARG LEU SER MET LYS LEU LYS VAL GLU ARG LYS PRO PHE          
SEQRES   5 A  307  ALA GLU GLY ALA LEU ARG GLU ALA TYR HIS THR VAL SER          
SEQRES   6 A  307  LEU GLY VAL GLY THR ASP GLU ASN TYR PRO LEU GLY THR          
SEQRES   7 A  307  THR THR LYS LEU PHE PRO PRO ILE GLU MET ILE SER PRO          
SEQRES   8 A  307  ILE SER LYS ASN ASN GLU ALA MET THR GLN LEU LYS ASN          
SEQRES   9 A  307  GLY THR LYS PHE VAL LEU LYS LEU TYR LYS LYS GLU ALA          
SEQRES  10 A  307  GLU GLN GLN ALA SER ARG GLU LEU TYR PHE GLU ASP VAL          
SEQRES  11 A  307  LYS MET GLN MET VAL CYS ARG ASP TRP GLY ASN LYS PHE          
SEQRES  12 A  307  ASN GLN LYS LYS PRO PRO LYS LYS ILE GLU PHE LEU MET          
SEQRES  13 A  307  SER TRP VAL VAL GLU LEU ILE ASP ARG SER PRO SER SER          
SEQRES  14 A  307  ASN GLY GLN PRO ILE LEU CYS SER ILE GLU PRO LEU LEU          
SEQRES  15 A  307  VAL GLY GLU PHE LYS LYS ASN ASN SER ASN TYR GLY ALA          
SEQRES  16 A  307  VAL LEU THR ASN ARG SER THR PRO GLN ALA PHE SER HIS          
SEQRES  17 A  307  PHE THR TYR GLU LEU SER ASN LYS GLN MET ILE VAL VAL          
SEQRES  18 A  307  ASP ILE GLN GLY VAL ASP ASP LEU TYR THR ASP PRO GLN          
SEQRES  19 A  307  ILE HIS THR PRO ASP GLY LYS GLY PHE GLY LEU GLY ASN          
SEQRES  20 A  307  LEU GLY LYS ALA GLY ILE ASN LYS PHE ILE THR THR HIS          
SEQRES  21 A  307  LYS CYS ASN ALA VAL CYS ALA LEU LEU ASP LEU ASP VAL          
SEQRES  22 A  307  LYS LEU GLY GLY VAL LEU SER GLY ASN ASN LYS LYS GLN          
SEQRES  23 A  307  LEU GLN GLN GLY THR MET VAL MET PRO ASP ILE LEU PRO          
SEQRES  24 A  307  GLU LEU MET PRO SER ASP ASN THR                              
HET     MG  A 901       1                                                       
HET     MG  A 902       1                                                       
HET     MG  A 903       1                                                       
HET     ZN  A 904       1                                                       
HET    PO4  A 905       5                                                       
HET    PO4  A 906       5                                                       
HET    AMP  A 907      23                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      ZN ZINC ION                                                         
HETNAM     PO4 PHOSPHATE ION                                                    
HETNAM     AMP ADENOSINE MONOPHOSPHATE                                          
FORMUL   2   MG    3(MG 2+)                                                     
FORMUL   5   ZN    ZN 2+                                                        
FORMUL   6  PO4    2(O4 P 3-)                                                   
FORMUL   8  AMP    C10 H14 N5 O7 P                                              
FORMUL   9  HOH   *305(H2 O)                                                    
HELIX    1   1 PRO A  619  ILE A  623  5                                   5    
HELIX    2   2 GLU A  631  LEU A  636  1                                   6    
HELIX    3   3 SER A  656  LYS A  680  1                                  25    
HELIX    4   4 ARG A  734  SER A  748  1                                  15    
HELIX    5   5 LEU A  782  HIS A  794  1                                  13    
HELIX    6   6 ASN A  797  LEU A  803  1                                   7    
SHEET    1   A 8 ALA A 587  GLU A 588  0                                        
SHEET    2   A 8 ARG A 592  THR A 604 -1  O  ALA A 594   N  ALA A 587           
SHEET    3   A 8 LYS A 641  TYR A 647 -1  O  LEU A 644   N  TYR A 595           
SHEET    4   A 8 LEU A 709  PRO A 714 -1  O  SER A 711   N  LYS A 645           
SHEET    5   A 8 TRP A 692  GLU A 695 -1  N  VAL A 694   O  CYS A 710           
SHEET    6   A 8 GLU A 558  ASP A 566 -1  N  TRP A 563   O  VAL A 693           
SHEET    7   A 8 LYS A 571  VAL A 581 -1  O  LEU A 575   N  LEU A 562           
SHEET    8   A 8 ARG A 592  THR A 604 -1  O  LEU A 600   N  LYS A 578           
SHEET    1   B 4 GLU A 687  PHE A 688  0                                        
SHEET    2   B 4 LEU A 763  TYR A 764  1  O  TYR A 764   N  GLU A 687           
SHEET    3   B 4 GLN A 758  VAL A 760 -1  N  VAL A 760   O  LEU A 763           
SHEET    4   B 4 PHE A 720  LYS A 722 -1  N  LYS A 721   O  GLY A 759           
SHEET    1   C 2 ILE A 753  VAL A 755  0                                        
SHEET    2   C 2 GLN A 768  HIS A 770 -1  O  GLN A 768   N  VAL A 755           
LINK         O   HOH A  38                MG    MG A 902     1555   1555  2.77  
LINK         O   HOH A  50                MG    MG A 903     1555   1555  2.79  
LINK         O   HOH A  82                MG    MG A 903     1555   1555  2.77  
LINK         O   HOH A 100                MG    MG A 902     1555   1555  2.69  
LINK         O   HOH A 115                MG    MG A 901     1555   1555  2.68  
LINK         O   HOH A 117                MG    MG A 902     1555   1555  2.88  
LINK         O   HOH A 273                MG    MG A 903     1555   1555  2.93  
LINK         ND1 HIS A 742                ZN    ZN A 904     1555   1555  2.14  
LINK         OE1 GLN A 758                MG    MG A 901     1555   1555  2.68  
LINK         OD1 ASP A 766                MG    MG A 902     1555   1555  2.62  
LINK         O   PRO A 767                MG    MG A 902     1555   1555  2.80  
LINK         OE1 GLN A 768                MG    MG A 902     1555   1555  2.83  
LINK         O   GLY A 776                MG    MG A 903     1555   1555  2.80  
LINK         O   GLY A 778                MG    MG A 903     1555   1555  2.73  
LINK         NE2 HIS A 794                ZN    ZN A 904     1555   1555  2.13  
LINK         SG  CYS A 796                ZN    ZN A 904     1555   1555  2.31  
LINK         SG  CYS A 800                ZN    ZN A 904     1555   1555  2.30  
LINK        MG    MG A 901                 O1P AMP A 907     1555   1555  2.66  
LINK        MG    MG A 901                 O3' AMP A 907     1555   1555  2.72  
CISPEP   1 PHE A  617    PRO A  618          0         1.78                     
SITE     1 AC1  3 HOH A 115  GLN A 758  AMP A 907                               
SITE     1 AC2  7 HOH A  38  HOH A 100  HOH A 117  MET A 666                    
SITE     2 AC2  7 ASP A 766  PRO A 767  GLN A 768                               
SITE     1 AC3  6 HOH A  50  HOH A  82  HOH A 273  GLY A 774                    
SITE     2 AC3  6 GLY A 776  GLY A 778                                          
SITE     1 AC4  4 HIS A 742  HIS A 794  CYS A 796  CYS A 800                    
SITE     1 AC5  7 HOH A 216  HOH A 223  HOH A 233  LYS A 684                    
SITE     2 AC5  7 ARG A 734  SER A 735  THR A 736                               
SITE     1 AC6 10 HOH A  79  HOH A  86  HOH A 100  HOH A 130                    
SITE     2 AC6 10 GLY A 589  ALA A 590  LEU A 591  ARG A 592                    
SITE     3 AC6 10 ASP A 766  AMP A 907                                          
SITE     1 AC7 18 HOH A  11  HOH A 133  HOH A 252  PHE A 586                    
SITE     2 AC7 18 ALA A 587  GLU A 588  GLY A 589  ARG A 592                    
SITE     3 AC7 18 LYS A 645  LEU A 689  GLU A 713  PRO A 714                    
SITE     4 AC7 18 LEU A 716  PHE A 720  THR A 765  ASP A 766                    
SITE     5 AC7 18  MG A 901  PO4 A 906                                          
CRYST1   76.224   83.777   44.364  90.00  90.00  90.00 P 21 21 2     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      0.013119  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011936  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.022541        0.00000