PDB Short entry for 2X6B
HEADER    METAL TRANSPORT                         15-FEB-10   2X6B              
TITLE     POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ATP-SENSITIVE INWARD RECTIFIER POTASSIUM CHANNEL 10;       
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: RESIDUES 26-320;                                           
COMPND   5 SYNONYM: KIRBAC3.1;                                                  
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 OTHER_DETAILS: C-TERMINAL HIS-TAG                                    
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MAGNETOSPIRILLUM MAGNETOTACTICUM;               
SOURCE   3 ORGANISM_TAXID: 188;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)STAR                              
KEYWDS    ION CHANNEL, METAL TRANSPORT, INTEGRAL MEMBRANE PROTEIN               
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    O.B.CLARKE,A.T.CAPUTO,A.P.HILL,J.I.VANDENBERG,B.J.SMITH,J.M.GULBIS    
REVDAT   3   20-DEC-23 2X6B    1       REMARK LINK                              
REVDAT   2   27-JUN-12 2X6B    1       AUTHOR JRNL   REMARK VERSN               
REVDAT   2 2                   1       FORMUL                                   
REVDAT   1   23-JUN-10 2X6B    0                                                
JRNL        AUTH   O.B.CLARKE,A.T.CAPUTO,A.P.HILL,J.I.VANDENBERG,B.J.SMITH,     
JRNL        AUTH 2 J.M.GULBIS                                                   
JRNL        TITL   DOMAIN REORIENTATION AND ROTATION OF AN INTRACELLULAR        
JRNL        TITL 2 ASSEMBLY REGULATE CONDUCTION IN KIR POTASSIUM CHANNELS.      
JRNL        REF    CELL(CAMBRIDGE,MASS.)         V. 141  1018 2010              
JRNL        REFN                   ISSN 0092-8674                               
JRNL        PMID   20564790                                                     
JRNL        DOI    10.1016/J.CELL.2010.05.003                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    3.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE)                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 3.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 41.41                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.910                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 14168                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.237                           
REMARK   3   R VALUE            (WORKING SET) : 0.234                           
REMARK   3   FREE R VALUE                     : 0.292                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 643                             
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 41.4126 -  5.6359    1.00     2726   121  0.2721 0.2917        
REMARK   3     2  5.6359 -  4.4751    1.00     2697   141  0.1773 0.2250        
REMARK   3     3  4.4751 -  3.9099    1.00     2677   135  0.2028 0.3039        
REMARK   3     4  3.9099 -  3.5527    1.00     2732   133  0.2416 0.3414        
REMARK   3     5  3.5527 -  3.2981    0.99     2693   113  0.2834 0.4044        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : 0.26                                          
REMARK   3   B_SOL              : 47.56                                         
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.430            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.160           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 96.54                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.32160                                              
REMARK   3    B22 (A**2) : 3.32160                                              
REMARK   3    B33 (A**2) : -6.64310                                             
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.028           2323                                  
REMARK   3   ANGLE     :  1.019           3134                                  
REMARK   3   CHIRALITY :  0.066            361                                  
REMARK   3   PLANARITY :  0.005            396                                  
REMARK   3   DIHEDRAL  : 22.055           1357                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 3                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: CHAIN A AND RESID 34:137                               
REMARK   3    ORIGIN FOR THE GROUP (A):  -7.5900  41.4276  48.4564              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   1.3108 T22:   0.7721                                     
REMARK   3      T33:   0.4307 T12:  -0.1191                                     
REMARK   3      T13:   0.0726 T23:   0.2261                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   2.0937 L22:   2.9987                                     
REMARK   3      L33:   1.4920 L12:  -0.3669                                     
REMARK   3      L13:   0.5283 L23:   1.9225                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0646 S12:  -0.7763 S13:  -0.0921                       
REMARK   3      S21:   1.1795 S22:   0.2691 S23:   0.1213                       
REMARK   3      S31:   1.4815 S32:  -0.7069 S33:  -0.2004                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: CHAIN A AND RESID 8:27                                 
REMARK   3    ORIGIN FOR THE GROUP (A): -29.0884  44.3237  10.3888              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.8465 T22:   0.8382                                     
REMARK   3      T33:   1.0543 T12:  -0.0380                                     
REMARK   3      T13:   0.1226 T23:  -0.0513                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.3271 L22:   2.5156                                     
REMARK   3      L33:   5.2264 L12:  -2.2319                                     
REMARK   3      L13:   1.8396 L23:  -0.0266                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.1708 S12:  -0.4476 S13:  -0.6833                       
REMARK   3      S21:  -0.0045 S22:  -0.1697 S23:   1.0363                       
REMARK   3      S31:  -0.5964 S32:  -0.4847 S33:  -0.0007                       
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    SELECTION: CHAIN A AND RESID 138:301                              
REMARK   3    ORIGIN FOR THE GROUP (A): -21.0969  60.2658   2.5826              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.5455 T22:   0.4476                                     
REMARK   3      T33:   0.6167 T12:   0.0505                                     
REMARK   3      T13:   0.0317 T23:   0.0916                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   3.0441 L22:   1.2789                                     
REMARK   3      L33:   3.4744 L12:   0.5633                                     
REMARK   3      L13:   1.7632 L23:   0.6816                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1081 S12:  -0.2450 S13:  -0.1981                       
REMARK   3      S21:  -0.1891 S22:   0.1168 S23:  -0.5549                       
REMARK   3      S31:   0.1200 S32:  -0.1878 S33:   0.0039                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: PHOSPHOCHOLINE IN STUCTURE REPRESENTS     
REMARK   3  ZWITTERIONIC HEAD-GROUP OF FOS-CHOLINE DETERGENT FROM               
REMARK   3  CRYSTALLISATION CONDITION.                                          
REMARK   4                                                                      
REMARK   4 2X6B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 15-FEB-10.                  
REMARK 100 THE DEPOSITION ID IS D_1290042932.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-SEP-09                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : AUSTRALIAN SYNCHROTRON             
REMARK 200  BEAMLINE                       : MX2                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54975                            
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   : 14195                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 3.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 5.400                              
REMARK 200  R MERGE                    (I) : 0.11000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 3.42                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.87000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: PHASER                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2WLH                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 71.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.25                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: THE CRYSTAL WAS OBTAINED UNDER THE       
REMARK 280  SAME CONDITIONS AS PDB ENTRY 2X6A, BUT SOAKED WITH BARIUM           
REMARK 280  CHLORIDE (5MM FINAL CONCENTRATION) FOR 16HRS PRIOR TO               
REMARK 280  CRYOCOOLING AND DATA COLLECTION, PH 7.5                             
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 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   -Y+1/2,X+1/2,Z                                          
REMARK 290       4555   Y+1/2,-X+1/2,Z                                          
REMARK 290       5555   -X+1/2,Y+1/2,-Z                                         
REMARK 290       6555   X+1/2,-Y+1/2,-Z                                         
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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  0.000000 -1.000000  0.000000       52.39900            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       52.39900            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       52.39900            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       52.39900            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       52.39900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       52.39900            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       52.39900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       52.39900            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 19150 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 52200 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -117.6 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000       52.39900            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000       52.39900            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  0.000000 -1.000000  0.000000      104.79800            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000      -52.39900            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000       52.39900            
REMARK 350   BIOMT3   4  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 BA    BA A1301  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K A1302  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K A1303  LIES ON A SPECIAL POSITION.                          
REMARK 375 K      K A1305  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     1                                                      
REMARK 465     THR A     2                                                      
REMARK 465     GLY A     3                                                      
REMARK 465     GLY A     4                                                      
REMARK 465     MET A     5                                                      
REMARK 465     LYS A     6                                                      
REMARK 465     PRO A     7                                                      
REMARK 465     LEU A    28                                                      
REMARK 465     GLU A    29                                                      
REMARK 465     LYS A    30                                                      
REMARK 465     ARG A    31                                                      
REMARK 465     GLY A    32                                                      
REMARK 465     TRP A    33                                                      
REMARK 465     HIS A   301                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A  10    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A  11    CG   CD   CE   NZ                                   
REMARK 470     LYS A 156    CG   CD   CE   NZ                                   
REMARK 470     SER A 183    OG                                                  
REMARK 470     SER A 186    OG                                                  
REMARK 470     GLN A 187    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 188    CG   CD   OE1  OE2                                  
REMARK 470     MET A 190    CG   SD   CE                                        
REMARK 470     GLU A 230    CG   CD   OE1  OE2                                  
REMARK 470     ARG A 283    NE   CZ   NH1  NH2                                  
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    ALA A   127     CG1  ILE A   131              1.97            
REMARK 500   O    ASP A    40     OG1  THR A    43              2.12            
REMARK 500   O    VAL A    44     NH2  ARG A   134              2.18            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  25     -179.63    -63.49                                   
REMARK 500    ASP A  36       59.82   -156.03                                   
REMARK 500    ASP A  73       83.83    -63.05                                   
REMARK 500    ASN A  77        0.03     82.04                                   
REMARK 500    LYS A 101      -75.90    -78.19                                   
REMARK 500    LEU A 210      -90.55   -110.57                                   
REMARK 500    LEU A 287        9.20    -66.39                                   
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                              BA A1301  BA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 THR A  96   OG1                                                    
REMARK 620 2 THR A  96   OG1  81.5                                              
REMARK 620 3 THR A  96   OG1 134.8  81.5                                        
REMARK 620 4 THR A  96   OG1  81.5 134.8  81.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A1302   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ILE A  97   O                                                      
REMARK 620 2 ILE A  97   O    74.2                                              
REMARK 620 3 ILE A  97   O   117.0  74.2                                        
REMARK 620 4 ILE A  97   O    74.2 117.0  74.2                                  
REMARK 620 5 GLY A  98   O    74.5 134.6 150.6  84.4                            
REMARK 620 6 GLY A  98   O    84.4  74.5 134.6 150.6  70.4                      
REMARK 620 7 GLY A  98   O   134.6 150.6  84.4  74.5  70.4 109.3                
REMARK 620 8 GLY A  98   O   150.6  84.4  74.5 134.6 109.3  70.4  70.4          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                               K A1303   K                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLY A  98   O                                                      
REMARK 620 2 GLY A  98   O    80.4                                              
REMARK 620 3 GLY A  98   O   131.7  80.4                                        
REMARK 620 4 GLY A  98   O    80.4 131.7  80.4                                  
REMARK 620 5 TYR A  99   O    81.6  68.6 129.8 149.2                            
REMARK 620 6 TYR A  99   O    68.6 129.8 149.2  81.6  68.7                      
REMARK 620 7 TYR A  99   O   149.2  81.6  68.6 129.8  68.7 105.8                
REMARK 620 8 TYR A  99   O   129.8 149.2  81.6  68.6 105.8  68.7  68.7          
REMARK 620 N                    1     2     3     4     5     6     7           
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BA A 1301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1302                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1303                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PC A 1304                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1XL4   RELATED DB: PDB                                   
REMARK 900 INTERMEDIATE GATING STRUCTURE 1 OF THE INWARDLY RECTIFYINGK+         
REMARK 900 CHANNEL KIRBAC3.1                                                    
REMARK 900 RELATED ID: 1XL6   RELATED DB: PDB                                   
REMARK 900 INTERMEDIATE GATING STRUCTURE 2 OF THE INWARDLY RECTIFYINGK+         
REMARK 900 CHANNEL KIRBAC3.1                                                    
REMARK 900 RELATED ID: 2X6A   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2X6C   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2WLN   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2WLO   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2WLJ   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2WLL   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM BURKHOLDERIA PSEUDOMALLEI                     
REMARK 900 RELATED ID: 2WLI   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2WLM   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 900 RELATED ID: 2WLK   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF THE ATP-SENSITIVE INWARD RECTIFIER POTASSIUM CHANNEL    
REMARK 900 FROM MAGNETOSPIRILLUM MAGNETOTACTICUM                                
REMARK 900 RELATED ID: 2WLH   RELATED DB: PDB                                   
REMARK 900 POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM              
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 RESIDUES 5-295 CORRESPOND TO GENBANK ACCESSION ZP_00055625           
REMARK 999 C-TERMINAL HIS-TAG IN PRESENT ENTRY. Q170 HAS BEEN MUTATED           
REMARK 999 TO ALANINE.                                                          
DBREF  2X6B A    1     4  PDB    2X6B     2X6B             1      4             
DBREF  2X6B A    5   295  PDB    2X6B     2X6B             5    295             
DBREF  2X6B A  296   301  PDB    2X6B     2X6B           296    301             
SEQRES   1 A  301  MET THR GLY GLY MET LYS PRO PRO ALA ARG LYS PRO ARG          
SEQRES   2 A  301  ILE LEU ASN SER ASP GLY SER SER ASN ILE THR ARG LEU          
SEQRES   3 A  301  GLY LEU GLU LYS ARG GLY TRP LEU ASP ASP HIS TYR HIS          
SEQRES   4 A  301  ASP LEU LEU THR VAL SER TRP PRO VAL PHE ILE THR LEU          
SEQRES   5 A  301  ILE THR GLY LEU TYR LEU VAL THR ASN ALA LEU PHE ALA          
SEQRES   6 A  301  LEU ALA TYR LEU ALA CYS GLY ASP VAL ILE GLU ASN ALA          
SEQRES   7 A  301  ARG PRO GLY SER PHE THR ASP ALA PHE PHE PHE SER VAL          
SEQRES   8 A  301  GLN THR MET ALA THR ILE GLY TYR GLY LYS LEU ILE PRO          
SEQRES   9 A  301  ILE GLY PRO LEU ALA ASN THR LEU VAL THR LEU GLU ALA          
SEQRES  10 A  301  LEU CYS GLY MET LEU GLY LEU ALA VAL ALA ALA SER LEU          
SEQRES  11 A  301  ILE TYR ALA ARG PHE THR ARG PRO THR ALA GLY VAL LEU          
SEQRES  12 A  301  PHE SER SER ARG MET VAL ILE SER ASP PHE GLU GLY LYS          
SEQRES  13 A  301  PRO THR LEU MET MET ARG LEU ALA ASN LEU ARG ILE GLU          
SEQRES  14 A  301  ALA ILE ILE GLU ALA ASP VAL HIS LEU VAL LEU VAL ARG          
SEQRES  15 A  301  SER GLU ILE SER GLN GLU GLY MET VAL PHE ARG ARG PHE          
SEQRES  16 A  301  HIS ASP LEU THR LEU THR ARG SER ARG SER PRO ILE PHE          
SEQRES  17 A  301  SER LEU SER TRP THR VAL MET HIS PRO ILE ASP HIS HIS          
SEQRES  18 A  301  SER PRO ILE TYR GLY GLU THR ASP GLU THR LEU ARG ASN          
SEQRES  19 A  301  SER HIS SER GLU PHE LEU VAL LEU PHE THR GLY HIS HIS          
SEQRES  20 A  301  GLU ALA PHE ALA GLN ASN VAL HIS ALA ARG HIS ALA TYR          
SEQRES  21 A  301  SER CYS ASP GLU ILE ILE TRP GLY GLY HIS PHE VAL ASP          
SEQRES  22 A  301  VAL PHE THR THR LEU PRO ASP GLY ARG ARG ALA LEU ASP          
SEQRES  23 A  301  LEU GLY LYS PHE HIS GLU ILE ALA GLN HIS HIS HIS HIS          
SEQRES  24 A  301  HIS HIS                                                      
HET     BA  A1301       1                                                       
HET      K  A1302       1                                                       
HET      K  A1303       1                                                       
HET     PC  A1304      11                                                       
HET      K  A1305       1                                                       
HETNAM      BA BARIUM ION                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM      PC PHOSPHOCHOLINE                                                   
FORMUL   2   BA    BA 2+                                                        
FORMUL   3    K    3(K 1+)                                                      
FORMUL   5   PC    C5 H15 N O4 P 1+                                             
FORMUL   7  HOH   *(H2 O)                                                       
HELIX    1   1 ASP A   36  VAL A   44  1                                   9    
HELIX    2   2 SER A   45  CYS A   71  1                                  27    
HELIX    3   3 SER A   82  ALA A   95  1                                  14    
HELIX    4   4 ILE A  105  ARG A  134  1                                  30    
HELIX    5   5 THR A  228  SER A  235  1                                   8    
SHEET    1  AA 2 VAL A 142  PHE A 144  0                                        
SHEET    2  AA 2 PRO A 157  ASN A 165  1  O  ALA A 164   N  LEU A 143           
SHEET    1  AB 2 SER A 211  PRO A 217  0                                        
SHEET    2  AB 2 PRO A 157  ASN A 165 -1  O  LEU A 159   N  HIS A 216           
SHEET    1  AC 4 ILE A 265  TRP A 267  0                                        
SHEET    2  AC 4 MET A 148  ASP A 152  1  O  MET A 148   N  ILE A 266           
SHEET    3  AC 4 PRO A 157  ASN A 165 -1  O  THR A 158   N  SER A 151           
SHEET    4  AC 4 SER A 211  PRO A 217 -1  O  TRP A 212   N  LEU A 163           
SHEET    1  AD 4 ILE A 265  TRP A 267  0                                        
SHEET    2  AD 4 MET A 148  ASP A 152  1  O  MET A 148   N  ILE A 266           
SHEET    3  AD 4 PRO A 157  ASN A 165 -1  O  THR A 158   N  SER A 151           
SHEET    4  AD 4 VAL A 142  PHE A 144  1  O  LEU A 143   N  ALA A 164           
SHEET    1  AE 2 VAL A 191  LEU A 198  0                                        
SHEET    2  AE 2 ILE A 171  ILE A 185 -1  O  LEU A 178   N  LEU A 198           
SHEET    1  AF 2 ARG A 204  PHE A 208  0                                        
SHEET    2  AF 2 ILE A 171  ILE A 185 -1  O  ILE A 171   N  PHE A 208           
SHEET    1  AG 4 GLN A 252  SER A 261  0                                        
SHEET    2  AG 4 GLU A 238  HIS A 247 -1  O  PHE A 239   N  TYR A 260           
SHEET    3  AG 4 ILE A 171  ILE A 185 -1  O  ILE A 172   N  HIS A 246           
SHEET    4  AG 4 VAL A 191  LEU A 198 -1  O  PHE A 192   N  GLU A 184           
SHEET    1  AH 4 GLN A 252  SER A 261  0                                        
SHEET    2  AH 4 GLU A 238  HIS A 247 -1  O  PHE A 239   N  TYR A 260           
SHEET    3  AH 4 ILE A 171  ILE A 185 -1  O  ILE A 172   N  HIS A 246           
SHEET    4  AH 4 ARG A 204  PHE A 208 -1  O  SER A 205   N  ALA A 174           
SHEET    1  AI 2 HIS A 270  PHE A 271  0                                        
SHEET    2  AI 2 ILE A 293  ALA A 294 -1  O  ALA A 294   N  HIS A 270           
SHEET    1  AJ 2 PHE A 275  THR A 277  0                                        
SHEET    2  AJ 2 ARG A 283  LEU A 285 -1  O  ALA A 284   N  THR A 276           
LINK         OG1 THR A  96                BA    BA A1301     1555   1555  2.69  
LINK         OG1 THR A  96                BA    BA A1301     3555   1555  2.69  
LINK         OG1 THR A  96                BA    BA A1301     2565   1555  2.69  
LINK         OG1 THR A  96                BA    BA A1301     4455   1555  2.69  
LINK         O   ILE A  97                 K     K A1302     2565   1555  2.45  
LINK         O   ILE A  97                 K     K A1302     3555   1555  2.45  
LINK         O   ILE A  97                 K     K A1302     1555   1555  2.45  
LINK         O   ILE A  97                 K     K A1302     4455   1555  2.45  
LINK         O   GLY A  98                 K     K A1302     2565   1555  3.01  
LINK         O   GLY A  98                 K     K A1302     3555   1555  3.01  
LINK         O   GLY A  98                 K     K A1302     4455   1555  3.01  
LINK         O   GLY A  98                 K     K A1302     1555   1555  3.01  
LINK         O   GLY A  98                 K     K A1303     3555   1555  2.69  
LINK         O   GLY A  98                 K     K A1303     2565   1555  2.69  
LINK         O   GLY A  98                 K     K A1303     4455   1555  2.69  
LINK         O   GLY A  98                 K     K A1303     1555   1555  2.69  
LINK         O   TYR A  99                 K     K A1303     2565   1555  2.46  
LINK         O   TYR A  99                 K     K A1303     3555   1555  2.46  
LINK         O   TYR A  99                 K     K A1303     4455   1555  2.46  
LINK         O   TYR A  99                 K     K A1303     1555   1555  2.46  
SITE     1 AC1  1 THR A  96                                                     
SITE     1 AC2  3 ILE A  97  GLY A  98    K A1303                               
SITE     1 AC3  3 GLY A  98  TYR A  99    K A1302                               
SITE     1 AC4  9 PHE A 195  ARG A 202  SER A 205  ILE A 207                    
SITE     2 AC4  9 PHE A 208  SER A 209  LEU A 210  SER A 211                    
SITE     3 AC4  9 TRP A 212                                                     
CRYST1  104.798  104.798   88.417  90.00  90.00  90.00 P 4 21 2      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      0.009542  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009542  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011310        0.00000