HEADER MEMBRANE PROTEIN 30-AUG-01 1JVM TITLE KCSA POTASSIUM CHANNEL WITH TBA (TETRABUTYLAMMONIUM) AND RUBIDIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: RESIDUES 1-125; 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_STRAIN: XL1-BLUE; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PQE-60 KEYWDS MEMBRANE PROTEIN, POTASSIUM CHANNEL, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR J.H.MORAIS-CABRAL,Y.ZHOU,R.MACKINNON REVDAT 4 16-AUG-23 1JVM 1 REMARK REVDAT 3 27-OCT-21 1JVM 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1JVM 1 VERSN REVDAT 1 05-DEC-01 1JVM 0 JRNL AUTH J.H.MORAIS-CABRAL,Y.ZHOU,R.MACKINNON JRNL TITL ENERGETIC OPTIMIZATION OF ION CONDUCTION RATE BY THE K+ JRNL TITL 2 SELECTIVITY FILTER. JRNL REF NATURE V. 414 37 2001 JRNL REFN ISSN 0028-0836 JRNL PMID 11689935 JRNL DOI 10.1038/35102000 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14477 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : THIN SHELLS REMARK 3 R VALUE (WORKING SET) : 0.281 REMARK 3 FREE R VALUE : 0.302 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1485 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2822 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 1 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.394 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1JVM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-SEP-01. REMARK 100 THE DEPOSITION ID IS D_1000014235. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-JUN-00 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 : ESRF REMARK 200 BEAMLINE : ID13 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.964 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14799 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 0.7 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 0.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.08800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1BL8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG400,CALCIUM CHLORIDE, HEPES, REMARK 280 POTASSIUM CHLORIDE, PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-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 1.000000 0.000000 0.000000 64.90000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.70000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 64.90000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 34.70000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 8330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -106.0 KCAL/MOL 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 16920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 32520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -164.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 129.80000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 PRO A 3 REMARK 465 MET A 4 REMARK 465 LEU A 5 REMARK 465 SER A 6 REMARK 465 GLY A 7 REMARK 465 LEU A 8 REMARK 465 LEU A 9 REMARK 465 ALA A 10 REMARK 465 ARG A 11 REMARK 465 LEU A 12 REMARK 465 VAL A 13 REMARK 465 LYS A 14 REMARK 465 LEU A 15 REMARK 465 LEU A 16 REMARK 465 LEU A 17 REMARK 465 GLY A 18 REMARK 465 ARG A 19 REMARK 465 HIS A 20 REMARK 465 GLY A 21 REMARK 465 SER A 22 REMARK 465 ALA A 23 REMARK 465 ARG A 121 REMARK 465 ARG A 122 REMARK 465 GLY A 123 REMARK 465 HIS A 124 REMARK 465 PHE A 125 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 PRO B 3 REMARK 465 MET B 4 REMARK 465 LEU B 5 REMARK 465 SER B 6 REMARK 465 GLY B 7 REMARK 465 LEU B 8 REMARK 465 LEU B 9 REMARK 465 ALA B 10 REMARK 465 ARG B 11 REMARK 465 LEU B 12 REMARK 465 VAL B 13 REMARK 465 LYS B 14 REMARK 465 LEU B 15 REMARK 465 LEU B 16 REMARK 465 LEU B 17 REMARK 465 GLY B 18 REMARK 465 ARG B 19 REMARK 465 HIS B 20 REMARK 465 GLY B 21 REMARK 465 SER B 22 REMARK 465 ALA B 23 REMARK 465 HIS B 124 REMARK 465 PHE B 125 REMARK 465 MET C 1 REMARK 465 ALA C 2 REMARK 465 PRO C 3 REMARK 465 MET C 4 REMARK 465 LEU C 5 REMARK 465 SER C 6 REMARK 465 GLY C 7 REMARK 465 LEU C 8 REMARK 465 LEU C 9 REMARK 465 ALA C 10 REMARK 465 ARG C 11 REMARK 465 LEU C 12 REMARK 465 VAL C 13 REMARK 465 LYS C 14 REMARK 465 LEU C 15 REMARK 465 LEU C 16 REMARK 465 LEU C 17 REMARK 465 GLY C 18 REMARK 465 ARG C 19 REMARK 465 HIS C 20 REMARK 465 GLY C 21 REMARK 465 SER C 22 REMARK 465 ALA C 23 REMARK 465 ARG C 121 REMARK 465 ARG C 122 REMARK 465 GLY C 123 REMARK 465 HIS C 124 REMARK 465 PHE C 125 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 PRO D 3 REMARK 465 MET D 4 REMARK 465 LEU D 5 REMARK 465 SER D 6 REMARK 465 GLY D 7 REMARK 465 LEU D 8 REMARK 465 LEU D 9 REMARK 465 ALA D 10 REMARK 465 ARG D 11 REMARK 465 LEU D 12 REMARK 465 VAL D 13 REMARK 465 LYS D 14 REMARK 465 LEU D 15 REMARK 465 LEU D 16 REMARK 465 LEU D 17 REMARK 465 GLY D 18 REMARK 465 ARG D 19 REMARK 465 HIS D 20 REMARK 465 GLY D 21 REMARK 465 SER D 22 REMARK 465 ALA D 23 REMARK 465 HIS D 124 REMARK 465 PHE D 125 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 LEU A 24 CG CD1 CD2 REMARK 470 ARG A 27 CG CD NE CZ NH1 NH2 REMARK 470 TYR A 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU A 86 CG CD1 CD2 REMARK 470 ARG A 117 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 118 CG CD OE1 OE2 REMARK 470 GLU A 120 CG CD OE1 OE2 REMARK 470 LEU B 24 CG CD1 CD2 REMARK 470 ARG B 27 CG CD NE CZ NH1 NH2 REMARK 470 TYR B 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU B 86 CG CD1 CD2 REMARK 470 ARG B 117 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 118 CG CD OE1 OE2 REMARK 470 ARG B 121 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 122 CG CD NE CZ NH1 NH2 REMARK 470 ARG C 27 CG CD NE CZ NH1 NH2 REMARK 470 TYR C 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU C 86 CG CD1 CD2 REMARK 470 ARG C 117 CG CD NE CZ NH1 NH2 REMARK 470 GLU C 118 CG CD OE1 OE2 REMARK 470 GLU C 120 CG CD OE1 OE2 REMARK 470 ARG D 27 CG CD NE CZ NH1 NH2 REMARK 470 TYR D 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU D 86 CG CD1 CD2 REMARK 470 ARG D 117 CG CD NE CZ NH1 NH2 REMARK 470 GLU D 118 CG CD OE1 OE2 REMARK 470 GLU D 120 CG CD OE1 OE2 REMARK 470 ARG D 121 CG CD NE CZ NH1 NH2 REMARK 470 ARG D 122 CG CD NE CZ NH1 NH2 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 SER A 44 -73.27 -51.86 REMARK 500 GLU A 51 -62.25 -103.81 REMARK 500 ARG A 52 126.99 -25.99 REMARK 500 THR A 75 19.18 56.91 REMARK 500 SER B 44 -73.71 -51.95 REMARK 500 GLU B 51 -62.07 -103.82 REMARK 500 ARG B 52 126.88 -26.15 REMARK 500 THR B 75 19.26 56.96 REMARK 500 SER C 44 -73.41 -51.49 REMARK 500 GLU C 51 -62.32 -103.65 REMARK 500 ARG C 52 126.89 -25.92 REMARK 500 THR C 75 19.50 56.47 REMARK 500 SER D 44 -73.52 -51.97 REMARK 500 GLU D 51 -61.96 -103.71 REMARK 500 ARG D 52 126.82 -26.21 REMARK 500 THR D 75 19.23 56.77 REMARK 500 ALA D 92 -70.10 -64.31 REMARK 500 ARG D 121 -43.59 -135.37 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 TBA A 129 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 RB A 127 RB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 75 O REMARK 620 2 VAL A 76 O 75.2 REMARK 620 3 RB A 128 RB 54.1 114.9 REMARK 620 4 THR B 75 O 70.4 75.3 52.5 REMARK 620 5 VAL B 76 O 138.7 80.1 111.2 71.6 REMARK 620 6 THR C 75 O 107.0 139.3 52.9 68.0 72.3 REMARK 620 7 VAL C 76 O 140.8 132.9 112.0 134.8 79.4 70.6 REMARK 620 8 THR D 75 O 69.7 141.5 53.9 106.4 137.8 68.5 73.6 REMARK 620 9 VAL D 76 O 75.7 84.0 114.8 143.7 134.0 136.6 80.8 72.6 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 RB A 128 RB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 75 O REMARK 620 2 THR A 75 OG1 59.2 REMARK 620 3 THR B 75 OG1 99.8 83.4 REMARK 620 4 THR B 75 O 68.8 108.1 59.8 REMARK 620 5 THR C 75 O 104.5 162.0 108.4 68.8 REMARK 620 6 THR C 75 OG1 163.3 137.3 82.0 98.6 59.6 REMARK 620 7 THR D 75 O 67.6 96.2 165.0 106.5 68.8 107.6 REMARK 620 8 THR D 75 OG1 106.2 80.6 136.2 163.6 98.5 82.7 58.0 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 RB A 126 RB REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 77 O REMARK 620 2 TYR A 78 O 64.4 REMARK 620 3 GLY B 77 O 74.8 76.2 REMARK 620 4 TYR B 78 O 128.5 74.8 65.8 REMARK 620 5 GLY C 77 O 124.0 149.1 78.0 79.3 REMARK 620 6 TYR C 78 O 151.0 123.3 133.0 78.3 65.9 REMARK 620 7 GLY D 77 O 76.8 130.8 122.5 153.2 78.1 79.4 REMARK 620 8 TYR D 78 O 77.2 77.4 147.7 123.6 132.1 77.7 65.0 REMARK 620 9 HOH D 806 O 61.3 117.3 61.7 119.5 62.7 119.4 60.8 116.8 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 126 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 127 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE RB A 128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBA A 129 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1J95 RELATED DB: PDB REMARK 900 KCSA POTASSIUM CHANNEL WITH TBA (TETRABUTYLAMMONIUM) AND POTASSIUM REMARK 900 RELATED ID: 1BL8 RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL (KCSA) FROM STREPTOMYCES LIVIDANS DBREF 1JVM A 1 125 UNP P0A334 KCSA_STRLI 1 125 DBREF 1JVM B 1 125 UNP P0A334 KCSA_STRLI 1 125 DBREF 1JVM C 1 125 UNP P0A334 KCSA_STRLI 1 125 DBREF 1JVM D 1 125 UNP P0A334 KCSA_STRLI 1 125 SEQADV 1JVM ALA A 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 1JVM CYS A 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQADV 1JVM ALA B 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 1JVM CYS B 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQADV 1JVM ALA C 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 1JVM CYS C 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQADV 1JVM ALA D 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 1JVM CYS D 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQRES 1 A 125 MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 A 125 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 A 125 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 A 125 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 A 125 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 A 125 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 A 125 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 A 125 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 A 125 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 A 125 GLU GLN GLU ARG ARG GLY HIS PHE SEQRES 1 B 125 MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 B 125 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 B 125 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 B 125 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 B 125 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 B 125 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 B 125 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 B 125 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 B 125 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 B 125 GLU GLN GLU ARG ARG GLY HIS PHE SEQRES 1 C 125 MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 C 125 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 C 125 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 C 125 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 C 125 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 C 125 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 C 125 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 C 125 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 C 125 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 C 125 GLU GLN GLU ARG ARG GLY HIS PHE SEQRES 1 D 125 MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 D 125 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 D 125 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 D 125 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 D 125 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 D 125 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 D 125 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 D 125 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 D 125 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 D 125 GLU GLN GLU ARG ARG GLY HIS PHE HET RB A 126 1 HET RB A 127 1 HET RB A 128 1 HET TBA A 129 9 HETNAM RB RUBIDIUM ION HETNAM TBA TETRABUTYLAMMONIUM ION FORMUL 5 RB 3(RB 1+) FORMUL 8 TBA C16 H36 N 1+ FORMUL 9 HOH *(H2 O) HELIX 1 1 HIS A 25 ARG A 52 1 28 HELIX 2 2 THR A 61 THR A 74 1 14 HELIX 3 3 TRP A 87 VAL A 115 1 29 HELIX 4 4 HIS B 25 ARG B 52 1 28 HELIX 5 5 THR B 61 THR B 74 1 14 HELIX 6 6 TRP B 87 VAL B 115 1 29 HELIX 7 7 HIS C 25 ARG C 52 1 28 HELIX 8 8 THR C 61 THR C 74 1 14 HELIX 9 9 TRP C 87 VAL C 115 1 29 HELIX 10 10 HIS D 25 ARG D 52 1 28 HELIX 11 11 THR D 61 THR D 74 1 14 HELIX 12 12 TRP D 87 VAL D 115 1 29 LINK O THR A 75 RB RB A 127 1555 1555 2.87 LINK O THR A 75 RB RB A 128 1555 1555 3.01 LINK OG1 THR A 75 RB RB A 128 1555 1555 3.00 LINK O VAL A 76 RB RB A 127 1555 1555 2.96 LINK O GLY A 77 RB RB A 126 1555 1555 2.95 LINK O TYR A 78 RB RB A 126 1555 1555 3.36 LINK RB RB A 126 O GLY B 77 1555 1555 2.96 LINK RB RB A 126 O TYR B 78 1555 1555 3.27 LINK RB RB A 126 O GLY C 77 1555 1555 2.90 LINK RB RB A 126 O TYR C 78 1555 1555 3.31 LINK RB RB A 126 O GLY D 77 1555 1555 2.95 LINK RB RB A 126 O TYR D 78 1555 1555 3.32 LINK RB RB A 126 O HOH D 806 1555 1555 2.74 LINK RB RB A 127 RB RB A 128 1555 1555 3.60 LINK RB RB A 127 O THR B 75 1555 1555 2.99 LINK RB RB A 127 O VAL B 76 1555 1555 3.06 LINK RB RB A 127 O THR C 75 1555 1555 3.04 LINK RB RB A 127 O VAL C 76 1555 1555 3.09 LINK RB RB A 127 O THR D 75 1555 1555 3.02 LINK RB RB A 127 O VAL D 76 1555 1555 2.98 LINK RB RB A 127 O HOH D 806 1555 1555 2.71 LINK RB RB A 128 OG1 THR B 75 1555 1555 2.97 LINK RB RB A 128 O THR B 75 1555 1555 2.97 LINK RB RB A 128 O THR C 75 1555 1555 3.00 LINK RB RB A 128 OG1 THR C 75 1555 1555 2.97 LINK RB RB A 128 O THR D 75 1555 1555 3.04 LINK RB RB A 128 OG1 THR D 75 1555 1555 3.07 SITE 1 AC1 9 GLY A 77 TYR A 78 GLY B 77 TYR B 78 SITE 2 AC1 9 GLY C 77 TYR C 78 GLY D 77 TYR D 78 SITE 3 AC1 9 HOH D 806 SITE 1 AC2 10 THR A 75 VAL A 76 RB A 128 THR B 75 SITE 2 AC2 10 VAL B 76 THR C 75 VAL C 76 THR D 75 SITE 3 AC2 10 VAL D 76 HOH D 806 SITE 1 AC3 5 THR A 75 RB A 127 THR B 75 THR C 75 SITE 2 AC3 5 THR D 75 SITE 1 AC4 1 ILE A 100 CRYST1 129.800 69.400 112.700 90.00 125.60 90.00 C 1 2 1 16 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 0.007704 0.000000 0.005516 0.00000 SCALE2 0.000000 0.014409 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010913 0.00000