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