HEADER    TRANSPORT                               25-JUN-15   5A6F              
TITLE     CRYO-EM STRUCTURE OF THE SLO2.2 NA-ACTIVATED K CHANNEL                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: GATING RING OF POTASSIUM CHANNEL SUBFAMILY T MEMBER 1;     
COMPND   3 CHAIN: C;                                                            
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: RCK2 ELABORATION OF POTASSIUM CHANNEL SUBFAMILY T MEMBER 1;
COMPND   9 CHAIN: D;                                                            
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   6   08-MAY-24 5A6F    1       REMARK                                   
REVDAT   5   23-OCT-19 5A6F    1       ATOM                                     
REVDAT   4   30-AUG-17 5A6F    1       REMARK                                   
REVDAT   3   13-APR-16 5A6F    1       ATOM   TER    MASTER                     
REVDAT   2   18-NOV-15 5A6F    1       JRNL                                     
REVDAT   1   14-OCT-15 5A6F    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.    4.20 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)  : 4.200                          
REMARK   3   NUMBER OF PARTICLES               : 24231                          
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  -3063. (DEPOSITION ID: 13532).                                      
REMARK   4                                                                      
REMARK   4 5A6F 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_1290064188.                                   
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   : 84 HUMIDITY 4 SECOND BLOT         
REMARK 245                                    LIQUID ETHANE                     
REMARK 245   SAMPLE BUFFER                  : 20 MM HEPES, PH 7.4, 300MM 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: C, D                                  
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 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     ALA C   613                                                      
REMARK 465     PHE C   614                                                      
REMARK 465     ILE C   615                                                      
REMARK 465     PHE C   616                                                      
REMARK 465     LYS C   617                                                      
REMARK 465     GLN C   618                                                      
REMARK 465     ALA C   619                                                      
REMARK 465     GLU C   620                                                      
REMARK 465     LYS C   621                                                      
REMARK 465     GLN C   622                                                      
REMARK 465     LYS C   623                                                      
REMARK 465     LYS C   624                                                      
REMARK 465     LYS C   625                                                      
REMARK 465     GLY C   626                                                      
REMARK 465     PHE C   627                                                      
REMARK 465     ALA C   628                                                      
REMARK 465     GLY C   629                                                      
REMARK 465     ARG C   630                                                      
REMARK 465     GLY C   631                                                      
REMARK 465     THR C   632                                                      
REMARK 465     TYR C   633                                                      
REMARK 465     ASP C   634                                                      
REMARK 465     GLY C   635                                                      
REMARK 465     PRO C   636                                                      
REMARK 465     SER C   637                                                      
REMARK 465     ARG C   638                                                      
REMARK 465     LEU C   639                                                      
REMARK 465     PRO C   640                                                      
REMARK 465     VAL C   641                                                      
REMARK 465     HIS C   642                                                      
REMARK 465     SER C   643                                                      
REMARK 465     ILE C   644                                                      
REMARK 465     ILE C   645                                                      
REMARK 465     ALA C   646                                                      
REMARK 465     SER C   647                                                      
REMARK 465     MET C   648                                                      
REMARK 465     GLY C   649                                                      
REMARK 465     THR C   650                                                      
REMARK 465     VAL C   651                                                      
REMARK 465     ALA C   652                                                      
REMARK 465     MET C   653                                                      
REMARK 465     ASP C   654                                                      
REMARK 465     LEU C   655                                                      
REMARK 465     GLN C   656                                                      
REMARK 465     ASN C   657                                                      
REMARK 465     THR C   658                                                      
REMARK 465     GLU C   659                                                      
REMARK 465     CYS C   660                                                      
REMARK 465     ARG C   661                                                      
REMARK 465     PRO C   662                                                      
REMARK 465     THR C   663                                                      
REMARK 465     ASN C   664                                                      
REMARK 465     SER C   665                                                      
REMARK 465     SER C   666                                                      
REMARK 465     LYS C   667                                                      
REMARK 465     LEU C   668                                                      
REMARK 465     ALA C   669                                                      
REMARK 465     LEU C   670                                                      
REMARK 465     PRO C   671                                                      
REMARK 465     ALA C   672                                                      
REMARK 465     GLU C   673                                                      
REMARK 465     ASN C   674                                                      
REMARK 465     GLY C   675                                                      
REMARK 465     SER C   676                                                      
REMARK 465     GLY C   677                                                      
REMARK 465     ASN C   678                                                      
REMARK 465     ARG C   679                                                      
REMARK 465     ARG C   680                                                      
REMARK 465     PRO C   681                                                      
REMARK 465     SER C   682                                                      
REMARK 465     ILE C   683                                                      
REMARK 465     ALA C   684                                                      
REMARK 465     PRO C   685                                                      
REMARK 465     VAL C   686                                                      
REMARK 465     LEU C   687                                                      
REMARK 465     GLU C   688                                                      
REMARK 465     LEU C   689                                                      
REMARK 465     ALA C   690                                                      
REMARK 465     ASP C   691                                                      
REMARK 465     THR C   692                                                      
REMARK 465     SER C   693                                                      
REMARK 465     SER C   694                                                      
REMARK 465     LEU C   695                                                      
REMARK 465     LEU C   696                                                      
REMARK 465     PRO C   697                                                      
REMARK 465     CYS C   698                                                      
REMARK 465     ASP C   699                                                      
REMARK 465     LEU C   700                                                      
REMARK 465     LEU C   701                                                      
REMARK 465     SER C   702                                                      
REMARK 465     ASP C   703                                                      
REMARK 465     GLN C   704                                                      
REMARK 465     SER C   705                                                      
REMARK 465     GLU C   706                                                      
REMARK 465     ASP C   707                                                      
REMARK 465     GLU C   708                                                      
REMARK 465     MET C   709                                                      
REMARK 465     THR C   710                                                      
REMARK 465     GLN C   711                                                      
REMARK 465     SER C   712                                                      
REMARK 465     ASP C   713                                                      
REMARK 465     GLU C   714                                                      
REMARK 465     GLU C   715                                                      
REMARK 465     GLY C   716                                                      
REMARK 465     SER C   717                                                      
REMARK 465     ALA C   718                                                      
REMARK 465     VAL C   719                                                      
REMARK 465     VAL C   720                                                      
REMARK 465     GLU C   721                                                      
REMARK 465     TYR C   722                                                      
REMARK 465     VAL C   723                                                      
REMARK 465     LYS C   724                                                      
REMARK 465     GLY C   725                                                      
REMARK 465     TYR C   726                                                      
REMARK 465     PRO C   727                                                      
REMARK 465     PRO C   728                                                      
REMARK 465     ASN C   729                                                      
REMARK 465     SER C   730                                                      
REMARK 465     PRO C   731                                                      
REMARK 465     TYR C   732                                                      
REMARK 465     ILE C   733                                                      
REMARK 465     GLY C   734                                                      
REMARK 465     SER C   735                                                      
REMARK 465     SER C   736                                                      
REMARK 465     PRO C   737                                                      
REMARK 465     THR C   738                                                      
REMARK 465     LEU C   739                                                      
REMARK 465     CYS C   740                                                      
REMARK 465     HIS C   741                                                      
REMARK 465     LEU C   742                                                      
REMARK 465     LEU C   743                                                      
REMARK 465     PRO C   744                                                      
REMARK 465     GLU C   745                                                      
REMARK 465     LYS C   746                                                      
REMARK 465     ALA C   747                                                      
REMARK 465     PRO C   748                                                      
REMARK 465     PHE C   749                                                      
REMARK 465     CYS C   750                                                      
REMARK 465     CYS C   751                                                      
REMARK 465     LEU C   752                                                      
REMARK 465     ARG C   753                                                      
REMARK 465     LEU C   754                                                      
REMARK 465     ASP C   755                                                      
REMARK 465     LYS C   756                                                      
REMARK 465     GLY C   757                                                      
REMARK 465     CYS C   758                                                      
REMARK 465     LYS C   759                                                      
REMARK 465     HIS C   760                                                      
REMARK 465     ASN C   761                                                      
REMARK 465     SER C   762                                                      
REMARK 465     PHE C   763                                                      
REMARK 465     GLU C   764                                                      
REMARK 465     ASP C   765                                                      
REMARK 465     ALA C   766                                                      
REMARK 465     LYS C   767                                                      
REMARK 465     ALA C   768                                                      
REMARK 465     THR C   861                                                      
REMARK 465     MET C   862                                                      
REMARK 465     SER C   863                                                      
REMARK 465     ALA C   864                                                      
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 C 524    O                                                   
REMARK 470     TYR C 769    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     ASN C 805    O                                                   
REMARK 470     HIS C1019    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ASN C1141    CG   OD1  ND2                                       
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   H    PHE C   550     OE2  GLU C   609              1.37            
REMARK 500   HG   CYS C  1003     O    GLU C  1008              1.56            
REMARK 500   H    ILE C   575     O    PHE C   602              1.58            
REMARK 500   HZ3  LYS C   549     O    SER C   612              1.58            
REMARK 500   NZ   LYS C   549     O    SER C   612              2.11            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    CYS C 825   CA  -  CB  -  SG  ANGL. DEV. =   6.9 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASP C 363      -73.62    -52.65                                   
REMARK 500    GLN C 379      -56.20   -127.90                                   
REMARK 500    LYS C 425       71.46     56.87                                   
REMARK 500    ASN C 463      -61.44   -125.70                                   
REMARK 500    LEU C 471      -71.05    -63.73                                   
REMARK 500    ASP C 483      -71.21    -49.07                                   
REMARK 500    GLU C 488      -71.67    -59.57                                   
REMARK 500    LYS C 492      -70.36    -47.24                                   
REMARK 500    VAL C 501      -74.26    -93.31                                   
REMARK 500    GLN C 527      -64.71    -90.63                                   
REMARK 500    ARG C 544      -62.64   -133.41                                   
REMARK 500    GLU C 581      -74.86    -75.81                                   
REMARK 500    LYS C 772      -78.31   -109.88                                   
REMARK 500    ASN C 785       -9.92    -59.30                                   
REMARK 500    ALA C 796     -164.26   -100.50                                   
REMARK 500    MET C 828       69.70     60.08                                   
REMARK 500    ASP C 837      -67.71   -140.08                                   
REMARK 500    ASP C 851      -77.39   -123.97                                   
REMARK 500    LYS C 858      163.00    177.86                                   
REMARK 500    ASP C 867      -68.95    -99.63                                   
REMARK 500    THR C 895      -60.58   -120.99                                   
REMARK 500    SER C 898      -52.54   -130.68                                   
REMARK 500    MET C 903      -81.93    -79.43                                   
REMARK 500    ASN C 928      -72.47   -122.53                                   
REMARK 500    LEU C 971     -120.57     67.23                                   
REMARK 500    SER C 977     -178.08   -174.16                                   
REMARK 500    SER C1005      -74.96   -105.17                                   
REMARK 500    ILE C1011      -73.57   -133.61                                   
REMARK 500    PRO C1152       43.93    -81.02                                   
REMARK 500    ASP C1168       54.51   -140.11                                   
REMARK 500    UNK D1072      -60.29    -93.88                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 LEU C  969     GLY C  970                 -149.36                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5A6E   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               
REMARK 900 RELATED ID: EMD-3063   RELATED DB: EMDB                              
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE REGISTER OF THE  RESIDUES OF CHAIN D 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  5A6F C  351  1171  UNP    Q8QFV0   KCNT1_CHICK    351   1171             
DBREF  5A6F D 1071  1113  PDB    5A6F     5A6F          1071   1113             
SEQRES   1 C  700  LYS HIS VAL VAL LEU CYS VAL SER SER LEU LYS ILE ASP          
SEQRES   2 C  700  LEU LEU MET ASP PHE LEU ASN GLU PHE TYR ALA HIS PRO          
SEQRES   3 C  700  ARG LEU GLN ASP TYR TYR VAL VAL ILE LEU CYS PRO THR          
SEQRES   4 C  700  GLU MET ASP ILE GLN VAL ARG ARG VAL LEU GLN ILE PRO          
SEQRES   5 C  700  LEU TRP SER GLN ARG VAL ILE TYR LEU GLN GLY SER ALA          
SEQRES   6 C  700  LEU LYS ASP GLN ASP LEU MET ARG ALA LYS MET ASP ASN          
SEQRES   7 C  700  GLY GLU ALA CYS PHE ILE LEU SER SER ARG ASN GLU VAL          
SEQRES   8 C  700  ASP ARG THR ALA ALA ASP HIS GLN THR ILE LEU ARG ALA          
SEQRES   9 C  700  TRP ALA VAL LYS ASP PHE ALA PRO ASN CYS PRO LEU TYR          
SEQRES  10 C  700  VAL GLN ILE LEU LYS PRO GLU ASN LYS PHE HIS VAL LYS          
SEQRES  11 C  700  PHE ALA ASP HIS VAL VAL CYS GLU GLU GLU CYS LYS TYR          
SEQRES  12 C  700  ALA MET LEU ALA LEU ASN CYS VAL CYS PRO ALA THR SER          
SEQRES  13 C  700  THR LEU ILE THR LEU LEU VAL HIS THR SER ARG GLY GLN          
SEQRES  14 C  700  GLU GLY GLN GLU SER PRO GLU GLN TRP GLN ARG MET TYR          
SEQRES  15 C  700  GLY ARG CYS SER GLY ASN GLU VAL TYR HIS ILE ARG MET          
SEQRES  16 C  700  GLY ASP SER LYS PHE PHE MET GLU TYR GLU GLY LYS SER          
SEQRES  17 C  700  PHE THR TYR ALA ALA PHE HIS ALA HIS LYS LYS TYR GLY          
SEQRES  18 C  700  VAL CYS LEU ILE GLY ILE ARG ARG GLU GLU ASN LYS SER          
SEQRES  19 C  700  ILE LEU LEU ASN PRO GLY PRO ARG HIS ILE MET ALA ALA          
SEQRES  20 C  700  SER ASP THR CYS PHE TYR ILE ASN ILE THR LYS GLU GLU          
SEQRES  21 C  700  ASN SER ALA PHE ILE PHE LYS GLN ALA GLU LYS GLN LYS          
SEQRES  22 C  700  LYS LYS GLY PHE ALA GLY ARG GLY THR TYR ASP GLY PRO          
SEQRES  23 C  700  SER ARG LEU PRO VAL HIS SER ILE ILE ALA SER MET GLY          
SEQRES  24 C  700  THR VAL ALA MET ASP LEU GLN ASN THR GLU CYS ARG PRO          
SEQRES  25 C  700  THR ASN SER SER LYS LEU ALA LEU PRO ALA GLU ASN GLY          
SEQRES  26 C  700  SER GLY ASN ARG ARG PRO SER ILE ALA PRO VAL LEU GLU          
SEQRES  27 C  700  LEU ALA ASP THR SER SER LEU LEU PRO CYS ASP LEU LEU          
SEQRES  28 C  700  SER ASP GLN SER GLU ASP GLU MET THR GLN SER ASP GLU          
SEQRES  29 C  700  GLU GLY SER ALA VAL VAL GLU TYR VAL LYS GLY TYR PRO          
SEQRES  30 C  700  PRO ASN SER PRO TYR ILE GLY SER SER PRO THR LEU CYS          
SEQRES  31 C  700  HIS LEU LEU PRO GLU LYS ALA PRO PHE CYS CYS LEU ARG          
SEQRES  32 C  700  LEU ASP LYS GLY CYS LYS HIS ASN SER PHE GLU ASP ALA          
SEQRES  33 C  700  LYS ALA TYR GLY PHE LYS ASN LYS LEU ILE ILE VAL SER          
SEQRES  34 C  700  ALA GLU THR ALA GLY ASN GLY LEU TYR ASN PHE ILE VAL          
SEQRES  35 C  700  PRO LEU ARG ALA TYR TYR ARG SER ARG LYS GLU LEU ASN          
SEQRES  36 C  700  PRO ILE VAL LEU LEU LEU ASP ASN LYS PRO GLU HIS HIS          
SEQRES  37 C  700  PHE LEU GLU ALA ILE CYS CYS PHE PRO MET VAL TYR TYR          
SEQRES  38 C  700  MET GLU GLY THR ILE ASP ASN LEU ASP SER LEU LEU GLN          
SEQRES  39 C  700  CYS GLY ILE ILE TYR ALA ASP ASN LEU VAL VAL VAL ASP          
SEQRES  40 C  700  LYS GLU SER THR MET SER ALA GLU GLU ASP TYR MET ALA          
SEQRES  41 C  700  ASP ALA LYS THR ILE VAL ASN VAL GLN THR MET PHE ARG          
SEQRES  42 C  700  LEU PHE PRO SER LEU SER ILE ILE THR GLU LEU THR HIS          
SEQRES  43 C  700  PRO SER ASN MET ARG PHE MET GLN PHE ARG ALA LYS ASP          
SEQRES  44 C  700  SER TYR SER LEU ALA LEU SER LYS LEU GLU LYS LYS GLU          
SEQRES  45 C  700  ARG GLU ASN GLY SER ASN LEU ALA PHE MET PHE ARG LEU          
SEQRES  46 C  700  PRO PHE ALA ALA GLY ARG VAL PHE SER ILE SER MET LEU          
SEQRES  47 C  700  ASP THR LEU LEU TYR GLN SER PHE VAL LYS ASP TYR MET          
SEQRES  48 C  700  ILE THR ILE THR ARG LEU LEU LEU GLY LEU ASP THR THR          
SEQRES  49 C  700  PRO GLY SER GLY TYR LEU CYS ALA MET LYS ILE THR GLU          
SEQRES  50 C  700  ASP ASP LEU TRP ILE ARG THR TYR GLY ARG LEU PHE GLN          
SEQRES  51 C  700  LYS LEU CYS SER SER SER ALA GLU ILE PRO ILE GLY ILE          
SEQRES  52 C  700  TYR ARG THR GLU SER HIS ASN THR LEU SER TYR VAL LEU          
SEQRES  53 C  700  ILE ASN PRO PRO PRO ASP THR ARG LEU GLU LEU ASN ASP          
SEQRES  54 C  700  ILE VAL TYR LEU ILE ARG SER ASP PRO LEU ALA                  
SEQRES   1 D   43  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   2 D   43  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   3 D   43  UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK UNK          
SEQRES   4 D   43  UNK UNK UNK UNK                                              
HELIX    1   1 LYS C  361  TYR C  373  1                                  13    
HELIX    2   2 GLN C  394  LEU C  399  1                                   6    
HELIX    3   3 LYS C  417  ALA C  424  1                                   8    
HELIX    4   4 ASP C  442  ALA C  461  1                                  20    
HELIX    5   5 LYS C  472  VAL C  479  5                                   8    
HELIX    6   6 GLU C  488  ASN C  499  1                                  12    
HELIX    7   7 ALA C  504  VAL C  513  1                                  10    
HELIX    8   8 GLN C  527  CYS C  535  1                                   9    
HELIX    9   9 SER C  558  HIS C  567  1                                  10    
HELIX   10  10 GLY C  784  VAL C  792  1                                   9    
HELIX   11  11 GLU C  816  CYS C  824  1                                   9    
HELIX   12  12 ASN C  838  GLN C  844  1                                   7    
HELIX   13  13 ASP C  867  ALA C  870  5                                   4    
HELIX   14  14 ASP C  871  PHE C  885  1                                  15    
HELIX   15  15 SER C  898  MET C  903  5                                   6    
HELIX   16  16 ASP C  909  GLU C  924  1                                  16    
HELIX   17  17 ARG C  934  ALA C  939  1                                   6    
HELIX   18  18 ILE C  945  PHE C  956  1                                  12    
HELIX   19  19 TYR C  960  GLY C  970  1                                  11    
HELIX   20  20 ASP C  988  ILE C  992  5                                   5    
HELIX   21  21 TYR C  995  CYS C 1003  1                                   9    
HELIX   22  22 UNK D 1081  UNK D 1098  1                                  18    
HELIX   23  23 UNK D 1100  UNK D 1113  1                                  14    
SHEET    1  CA 4 VAL C 408  GLN C 412  0                                        
SHEET    2  CA 4 TYR C 382  CYS C 387  1  O  VAL C 383   N  ILE C 409           
SHEET    3  CA 4 HIS C 352  CYS C 356  1  O  VAL C 353   N  VAL C 384           
SHEET    4  CA 4 ALA C 431  ILE C 434  1  O  ALA C 431   N  VAL C 354           
SHEET    1  CB 2 TYR C 467  ILE C 470  0                                        
SHEET    2  CB 2 HIS C 484  CYS C 487  1  O  HIS C 484   N  VAL C 468           
SHEET    1  CC 3 GLU C 539  ILE C 543  0                                        
SHEET    2  CC 3 CYS C 601  ASN C 605 -1  O  CYS C 601   N  ILE C 543           
SHEET    3  CC 3 CYS C 573  LEU C 574 -1  O  CYS C 573   N  ILE C 604           
SHEET    1  CD 6 VAL C 829  GLU C 833  0                                        
SHEET    2  CD 6 ILE C 807  LEU C 811  1  O  ILE C 807   N  TYR C 830           
SHEET    3  CD 6 ILE C 776  ALA C 780  1  O  ILE C 776   N  VAL C 808           
SHEET    4  CD 6 ASN C 852  VAL C 856  1  O  ASN C 852   N  ILE C 777           
SHEET    5  CD 6 SER C 889  LEU C 894  1  O  SER C 889   N  LEU C 853           
SHEET    6  CD 6 VAL C 942  SER C 944  1  O  PHE C 943   N  LEU C 894           
SHEET    1  CE 3 TYR C 979  LYS C 984  0                                        
SHEET    2  CE 3 ILE C1161  ARG C1166 -1  O  VAL C1162   N  MET C 983           
SHEET    3  CE 3 GLU C1008  PRO C1010 -1  O  ILE C1009   N  ILE C1165           
SHEET    1  CF 2 GLY C1012  ILE C1013  0                                        
SHEET    2  CF 2 LEU C1147  ILE C1148 -1  O  LEU C1147   N  ILE C1013           
CISPEP   1 UNK D 1098    UNK D 1099          0         3.77                     
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