HEADER    TRANSPORT                               25-JUN-15   5A6G              
TITLE     CRYO-EM STRUCTURE OF THE SLO2.2 NA-ACTIVATED K CHANNEL                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: S1-S4 DOMAIN OF POTASSIUM CHANNEL SUBFAMILY T MEMBER 1;    
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: SEQUENCE LIKE A CALCIUM-ACTIVATED POTASSIUM CHANNEL SUBUNIT,
COMPND   5 SLO2.2;                                                              
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: PORE DOMAIN OF POTASSIUM CHANNEL SUBFAMILY T MEMBER 1;     
COMPND   9 CHAIN: B;                                                            
COMPND  10 SYNONYM: SEQUENCE LIKE A CALCIUM-ACTIVATED POTASSIUM CHANNEL SUBUNIT,
COMPND  11 SLO2.2;                                                              
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE   3 ORGANISM_COMMON: CHICKEN;                                            
SOURCE   4 ORGANISM_TAXID: 9031;                                                
SOURCE   5 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE   6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PFASTBAC;                                 
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE  11 ORGANISM_COMMON: CHICKEN;                                            
SOURCE  12 ORGANISM_TAXID: 9031;                                                
SOURCE  13 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA;                            
SOURCE  14 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM;                             
SOURCE  15 EXPRESSION_SYSTEM_TAXID: 7108;                                       
SOURCE  16 EXPRESSION_SYSTEM_PLASMID: PFASTBAC                                  
KEYWDS    TRANSPORT, ION CHANNEL, POTASSIUM CHANNEL                             
EXPDTA    ELECTRON MICROSCOPY                                                   
AUTHOR    R.K.HITE,P.YUAN,Z.LI,Y.HSUING,T.WALZ,R.MACKINNON                      
REVDAT   5   08-MAY-24 5A6G    1       REMARK                                   
REVDAT   4   23-OCT-19 5A6G    1       ATOM                                     
REVDAT   3   30-AUG-17 5A6G    1       REMARK                                   
REVDAT   2   18-NOV-15 5A6G    1       JRNL                                     
REVDAT   1   14-OCT-15 5A6G    0                                                
JRNL        AUTH   R.K.HITE,P.YUAN,Z.LI,Y.HSUING,T.WALZ,R.MACKINNON             
JRNL        TITL   CRYO-ELECTRON MICROSCOPY STRUCTURE OF THE SLO2.2             
JRNL        TITL 2 NA1-ACTIVATED K1 CHANNEL                                     
JRNL        REF    NATURE                        V. 527   198 2015              
JRNL        REFN                   ISSN 0028-0836                               
JRNL        PMID   26436452                                                     
JRNL        DOI    10.1038/NATURE14958                                          
REMARK   2                                                                      
REMARK   2 RESOLUTION.    5.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   SOFTWARE PACKAGES      : NULL                                      
REMARK   3   RECONSTRUCTION SCHEMA  : NULL                                      
REMARK   3                                                                      
REMARK   3 EM MAP-MODEL FITTING AND REFINEMENT                                  
REMARK   3   PDB ENTRY                    : NULL                                
REMARK   3   REFINEMENT SPACE             : RECIPROCAL                          
REMARK   3   REFINEMENT PROTOCOL          : OTHER                               
REMARK   3   REFINEMENT TARGET            : R-FACTOR                            
REMARK   3   OVERALL ANISOTROPIC B VALUE  : NULL                                
REMARK   3                                                                      
REMARK   3 FITTING PROCEDURE : REFINEMENT PROTOCOL--EM                          
REMARK   3                                                                      
REMARK   3 EM IMAGE RECONSTRUCTION STATISTICS                                   
REMARK   3   NOMINAL PIXEL SIZE (ANGSTROMS)    : 1.040                          
REMARK   3   ACTUAL PIXEL SIZE  (ANGSTROMS)    : NULL                           
REMARK   3   EFFECTIVE RESOLUTION (ANGSTROMS)  : 5.200                          
REMARK   3   NUMBER OF PARTICLES               : 11303                          
REMARK   3   CTF CORRECTION METHOD             : NULL                           
REMARK   3                                                                      
REMARK   3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL                    
REMARK   3                                                                      
REMARK   3 OTHER DETAILS: SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD   
REMARK   3  -3064. (DEPOSITION ID: 13535).                                      
REMARK   4                                                                      
REMARK   4 5A6G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE.                               
REMARK 100 THE DEPOSITION ID IS D_1290064189.                                   
REMARK 245                                                                      
REMARK 245 EXPERIMENTAL DETAILS                                                 
REMARK 245   RECONSTRUCTION METHOD          : SINGLE PARTICLE                   
REMARK 245   SPECIMEN TYPE                  : VITREOUS ICE                      
REMARK 245                                                                      
REMARK 245 ELECTRON MICROSCOPE SAMPLE                                           
REMARK 245   SAMPLE TYPE                    : PARTICLE                          
REMARK 245   PARTICLE TYPE                  : POINT                             
REMARK 245   NAME OF SAMPLE                 : SLO2.2                            
REMARK 245   SAMPLE CONCENTRATION (MG ML-1) : 4.00                              
REMARK 245   SAMPLE SUPPORT DETAILS         : HOLEY CARBON                      
REMARK 245   SAMPLE VITRIFICATION DETAILS   : VITRIFICATION 1 -- CRYOGEN-       
REMARK 245                                    ETHANE, HUMIDITY- 84,             
REMARK 245                                    TEMPERATURE- 120, INSTRUMENT-     
REMARK 245                                    FEI VITROBOT MARK IV, METHOD- 4   
REMARK 245                                    SECOND BLOT PRIOR TO PLUNGING,    
REMARK 245   SAMPLE BUFFER                  : 20 MM HEPES PH 7.4, 300 MM KCL,   
REMARK 245                                    1.5 MM DODECYL MALTOSIDE, 0.05    
REMARK 245                                    MG/ML POPE/POPG (3/1)             
REMARK 245   PH                             : 7.40                              
REMARK 245   SAMPLE DETAILS                 : NULL                              
REMARK 245                                                                      
REMARK 245 DATA ACQUISITION                                                     
REMARK 245   DATE OF EXPERIMENT                : 07-JUL-14                      
REMARK 245   NUMBER OF MICROGRAPHS-IMAGES      : NULL                           
REMARK 245   TEMPERATURE (KELVIN)              : NULL                           
REMARK 245   MICROSCOPE MODEL                  : FEI TITAN KRIOS                
REMARK 245   DETECTOR TYPE                     : GATAN K2 (4K X 4K)             
REMARK 245   MINIMUM DEFOCUS (NM)              : 1500.00                        
REMARK 245   MAXIMUM DEFOCUS (NM)              : 4500.00                        
REMARK 245   MINIMUM TILT ANGLE (DEGREES)      : NULL                           
REMARK 245   MAXIMUM TILT ANGLE (DEGREES)      : NULL                           
REMARK 245   NOMINAL CS                        : 2.00                           
REMARK 245   IMAGING MODE                      : BRIGHT FIELD                   
REMARK 245   ELECTRON DOSE (ELECTRONS NM**-2)  : 4000.00                        
REMARK 245   ILLUMINATION MODE                 : FLOOD BEAM                     
REMARK 245   NOMINAL MAGNIFICATION             : 105000                         
REMARK 245   CALIBRATED MAGNIFICATION          : 105000                         
REMARK 245   SOURCE                            : FIELD EMISSION GUN             
REMARK 245   ACCELERATION VOLTAGE (KV)         : 300                            
REMARK 245   IMAGING DETAILS                   : NULL                           
REMARK 247                                                                      
REMARK 247 ELECTRON MICROSCOPY                                                  
REMARK 247  THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON          
REMARK 247  MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE              
REMARK 247  THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES           
REMARK 247  ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION         
REMARK 247  OF THE STRUCTURE FACTORS.                                           
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: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     SER B 244    OG                                                  
REMARK 470     LYS B 337    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    LEU B   280     HG   SER B   283              1.51            
REMARK 500   O    ALA B   317     H    LEU B   321              1.52            
REMARK 500   HG1  THR B   256     OE1  GLN B   324              1.59            
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    UNK A 136      -72.29    -51.68                                   
REMARK 500    UNK A 168      -84.66    -79.31                                   
REMARK 500    UNK A 175      -64.27    -94.52                                   
REMARK 500    UNK A 193      -62.87   -100.09                                   
REMARK 500    ALA B 274      -71.02    -91.32                                   
REMARK 500    VAL B 294      -63.85   -103.95                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5A6F   RELATED DB: PDB                                   
REMARK 900 CRYO-EM STRUCTURE OF THE SLO2.2 NA-ACTIVATED K CHANNEL               
REMARK 900 RELATED ID: 5A6G   RELATED DB: PDB                                   
REMARK 900 CRYO-EM STRUCTURE OF THE SLO2.2 NA-ACTIVATED K CHANNEL RELATED       
REMARK 900 ENTRIES                                                              
REMARK 900 RELATED ID: EMD-3064   RELATED DB: EMDB                              
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE REGISTER OF CHAINS A OF THE SAMPLE SEQUENCE                      
REMARK 999 FOR THE ENTRY IS UNKNOWN. HENCE THEY ARE CHANGED TO UNK.             
REMARK 999 THE SAMPLE SEQUENCE CORRESPONDS TO UNP Q8QFV0.                       
DBREF  5A6G A   70   234  PDB    5A6G     5A6G            70    234             
DBREF  5A6G B  244   337  UNP    Q8QFV0   KCNT1_CHICK    244    337             
SEQRES   1 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   2 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   3 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   4 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   5 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   6 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   7 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   8 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   9 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES  10 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES  11 A  139  UNK UNK UNK UNK UNK UNK UNK UNK UNK                          
SEQRES   1 B   94  SER ALA MET PHE ASN GLN VAL LEU ILE LEU ILE CYS THR          
SEQRES   2 B   94  LEU LEU CYS LEU VAL PHE THR GLY THR CYS GLY ILE GLN          
SEQRES   3 B   94  HIS LEU GLU ARG ALA GLY GLU LYS LEU SER LEU PHE LYS          
SEQRES   4 B   94  SER PHE TYR PHE CYS ILE VAL THR PHE SER THR VAL GLY          
SEQRES   5 B   94  TYR GLY ASP VAL THR PRO LYS ILE TRP PRO SER GLN LEU          
SEQRES   6 B   94  LEU VAL VAL ILE MET ILE CYS VAL ALA LEU VAL VAL LEU          
SEQRES   7 B   94  PRO LEU GLN PHE GLU GLU LEU VAL TYR LEU TRP MET GLU          
SEQRES   8 B   94  ARG GLN LYS                                                  
HELIX    1   1 UNK A   70  UNK A   83  1                                  14    
HELIX    2   2 UNK A   89  UNK A  116  1                                  28    
HELIX    3   3 UNK A  121  UNK A  137  1                                  17    
HELIX    4   4 UNK A  148  UNK A  167  1                                  20    
HELIX    5   5 UNK A  172  UNK A  177  1                                   6    
HELIX    6   6 UNK A  179  UNK A  199  1                                  21    
HELIX    7   7 UNK A  209  UNK A  234  1                                  26    
HELIX    8   8 SER B  244  GLU B  276  1                                  33    
HELIX    9   9 SER B  279  SER B  292  1                                  14    
HELIX   10  10 ILE B  303  LYS B  337  1                                  35    
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000