HEADER PROTON TRANSPORT, MEMBRANE PROTEIN 21-JUN-00 1F6G TITLE POTASSIUM CHANNEL (KCSA) FULL-LENGTH FOLD COMPND MOL_ID: 1; COMPND 2 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: FULL-LENGTH CHANNEL; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 3 ORGANISM_TAXID: 1916; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PQE32 KEYWDS POTASSIUM CHANNEL, INTEGRAL MEMBRANE PROTEIN, CYTOPLASMIC DOMAINS, KEYWDS 2 PROTON TRANSPORT, MEMBRANE PROTEIN EXPDTA SOLUTION NMR NUMMDL 8 MDLTYP CA ATOMS ONLY, CHAIN A, B, C, D AUTHOR D.M.CORTES,E.PEROZO REVDAT 3 03-NOV-21 1F6G 1 REMARK SEQADV REVDAT 2 24-FEB-09 1F6G 1 VERSN REVDAT 1 21-FEB-01 1F6G 0 JRNL AUTH D.M.CORTES,L.G.CUELLO,E.PEROZO JRNL TITL MOLECULAR ARCHITECTURE OF FULL-LENGTH KCSA: ROLE OF JRNL TITL 2 CYTOPLASMIC DOMAINS IN ION PERMEATION AND ACTIVATION GATING. JRNL REF J.GEN.PHYSIOL. V. 117 165 2001 JRNL REFN ISSN 0022-1295 JRNL PMID 11158168 JRNL DOI 10.1085/JGP.117.2.165 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : EPR AQUISIT 2.32, DISCOVER 3 REMARK 3 AUTHORS : BRUKER INSTRUMENTS (EPR AQUISIT), MSI (DISCOVER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: STRUCTURES ARE BASED ON A TOTAL OF 438 REMARK 3 RESTRAINTS, WITH 84 INTRA-SUBUNIT DISTANCE CONSTRAINTS PER REMARK 3 SUBUNIT AND 15 INTER-SUBUNIT CONSTRAINTS REMARK 4 REMARK 4 1F6G COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-AUG-00. REMARK 100 THE DEPOSITION ID IS D_1000011301. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 7.2 REMARK 210 IONIC STRENGTH : 50-100 MM REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 50-100 UM KCSA, PBS PH 7.2, REMARK 210 RECONSTITUTED INTO ASOLECTIN REMARK 210 VESICLES AT A 1:500 PROTEIN: REMARK 210 LIPID RATIO (MOLAR) REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : POWER SATURATION EXPERIMENTS IN REMARK 210 21% O2 OR 10 MM NIEDDA; DIPOLAR REMARK 210 COUPLINGS DERIVED FROM REMARK 210 UNDERLABELED SAMPLES REMARK 210 SPECTROMETER FIELD STRENGTH : 3400 MHZ REMARK 210 SPECTROMETER MODEL : EMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DISCOVER 3 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 32 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 8 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 4 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING SECONDARY STRUCTURE REMARK 210 ASSIGNMENTS FROM FREQUENCY ANALYSIS OF SOLVENT ACCESSIBILITY REMARK 210 DATA AND TERTIARY AND QUATERNARY STRUCTURAL INFORMATION FROM REMARK 210 SPIN-SPIN DIPOLAR COUPLINGS REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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 APPLY THE FOLLOWING TO CHAINS: A, B, 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BL8 RELATED DB: PDB DBREF 1F6G A 1 160 UNP P0A334 KCSA_STRLI 1 160 DBREF 1F6G B 1 160 UNP P0A334 KCSA_STRLI 1 160 DBREF 1F6G C 1 160 UNP P0A334 KCSA_STRLI 1 160 DBREF 1F6G D 1 160 UNP P0A334 KCSA_STRLI 1 160 SEQADV 1F6G ALA A 27 UNP P0A334 ARG 27 CONFLICT SEQADV 1F6G ALA A 64 UNP P0A334 ARG 64 CONFLICT SEQADV 1F6G CYS A 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQADV 1F6G ALA B 27 UNP P0A334 ARG 27 CONFLICT SEQADV 1F6G ALA B 64 UNP P0A334 ARG 64 CONFLICT SEQADV 1F6G CYS B 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQADV 1F6G ALA C 27 UNP P0A334 ARG 27 CONFLICT SEQADV 1F6G ALA C 64 UNP P0A334 ARG 64 CONFLICT SEQADV 1F6G CYS C 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQADV 1F6G ALA D 27 UNP P0A334 ARG 27 CONFLICT SEQADV 1F6G ALA D 64 UNP P0A334 ARG 64 CONFLICT SEQADV 1F6G CYS D 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQRES 1 A 160 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 A 160 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 A 160 ALA ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 A 160 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 A 160 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ALA ALA SEQRES 6 A 160 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 A 160 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 A 160 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 A 160 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 A 160 GLU GLN GLU ARG ARG GLY HIS PHE VAL ARG HIS SER GLU SEQRES 11 A 160 LYS ALA ALA GLU GLU ALA TYR THR ARG THR THR ARG ALA SEQRES 12 A 160 LEU HIS GLU ARG PHE ASP ARG LEU GLU ARG MET LEU ASP SEQRES 13 A 160 ASP ASN ARG ARG SEQRES 1 B 160 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 B 160 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 B 160 ALA ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 B 160 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 B 160 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ALA ALA SEQRES 6 B 160 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 B 160 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 B 160 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 B 160 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 B 160 GLU GLN GLU ARG ARG GLY HIS PHE VAL ARG HIS SER GLU SEQRES 11 B 160 LYS ALA ALA GLU GLU ALA TYR THR ARG THR THR ARG ALA SEQRES 12 B 160 LEU HIS GLU ARG PHE ASP ARG LEU GLU ARG MET LEU ASP SEQRES 13 B 160 ASP ASN ARG ARG SEQRES 1 C 160 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 C 160 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 C 160 ALA ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 C 160 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 C 160 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ALA ALA SEQRES 6 C 160 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 C 160 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 C 160 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 C 160 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 C 160 GLU GLN GLU ARG ARG GLY HIS PHE VAL ARG HIS SER GLU SEQRES 11 C 160 LYS ALA ALA GLU GLU ALA TYR THR ARG THR THR ARG ALA SEQRES 12 C 160 LEU HIS GLU ARG PHE ASP ARG LEU GLU ARG MET LEU ASP SEQRES 13 C 160 ASP ASN ARG ARG SEQRES 1 D 160 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 D 160 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 D 160 ALA ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 D 160 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 D 160 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ALA ALA SEQRES 6 D 160 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 D 160 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 D 160 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 D 160 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 D 160 GLU GLN GLU ARG ARG GLY HIS PHE VAL ARG HIS SER GLU SEQRES 11 D 160 LYS ALA ALA GLU GLU ALA TYR THR ARG THR THR ARG ALA SEQRES 12 D 160 LEU HIS GLU ARG PHE ASP ARG LEU GLU ARG MET LEU ASP SEQRES 13 D 160 ASP ASN ARG ARG 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 MODEL 1