HEADER MEMBRANE PROTEIN 02-OCT-03 1R3J TITLE POTASSIUM CHANNEL KCSA-FAB COMPLEX IN HIGH CONCENTRATION OF TL+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANTIBODY FAB FRAGMENT LIGHT CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: ANTIBODY FAB FRAGMENT HEAVY CHAIN; COMPND 6 CHAIN: B; COMPND 7 MOL_ID: 3; COMPND 8 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL; COMPND 9 CHAIN: C; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 7 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 8 ORGANISM_TAXID: 10090; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 11 ORGANISM_TAXID: 1916; SOURCE 12 GENE: KCSA, SKC1, SCO7660, SC10F4.33; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 EXPRESSION_SYSTEM_STRAIN: XL1BLUE; SOURCE 16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 17 EXPRESSION_SYSTEM_PLASMID: PQE60 KEYWDS MEMBRANE PROTEIN, POTASSIUM CHANNEL, KCSA-FAB COMPLEX, THALLIUM EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZHOU,R.MACKINNON REVDAT 4 27-OCT-21 1R3J 1 REMARK SEQADV LINK REVDAT 3 16-NOV-11 1R3J 1 VERSN HETATM REVDAT 2 24-FEB-09 1R3J 1 VERSN REVDAT 1 25-NOV-03 1R3J 0 JRNL AUTH Y.ZHOU,R.MACKINNON JRNL TITL THE OCCUPANCY OF IONS IN THE K+ SELECTIVITY FILTER: CHARGE JRNL TITL 2 BALANCE AND COUPLING OF ION BINDING TO A PROTEIN JRNL TITL 3 CONFORMATIONAL CHANGE UNDERLIE HIGH CONDUCTION RATES JRNL REF J.MOL.BIOL. V. 333 965 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 14583193 JRNL DOI 10.1016/J.JMB.2003.09.022 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.66 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) (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 68981 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 6792 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 9892 REMARK 3 BIN R VALUE (WORKING SET) : 0.2640 REMARK 3 BIN FREE R VALUE : 0.2830 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 1096 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.009 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4003 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 37 REMARK 3 SOLVENT ATOMS : 360 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.76000 REMARK 3 B22 (A**2) : 3.76000 REMARK 3 B33 (A**2) : -7.53000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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) : 0.25 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.820 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 55.52 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : TL_PB.PAR REMARK 3 PARAMETER FILE 4 : 2002DG.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : 2002DG2.TOP REMARK 3 TOPOLOGY FILE 4 : TL_CHARGE.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE OCCUPANCY OF IONS IN THIS MODEL WERE SET TO 1. PLEASE REFER TO REMARK 3 THE REMARK 3 PRIMARY CITATION FOR A DETAILED ANALYSIS OF ION OCCUPANCY. REMARK 4 REMARK 4 1R3J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-OCT-03. REMARK 100 THE DEPOSITION ID IS D_1000020392. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9504 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 69035 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.52 REMARK 200 R MERGE FOR SHELL (I) : 0.48200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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: 1K4C REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG400, SODIUM ACETATE, MAGNESIUM REMARK 280 ACETATE, PH 5.4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+1/2,Z+1/2 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 77.37000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.37000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 38.19000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 77.37000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.37000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 38.19000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 77.37000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 77.37000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 38.19000 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 77.37000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 77.37000 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 38.19000 REMARK 290 REMARK 290 REMARK: NULL 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 300 REMARK: HOMO-TETRAMER OF KCSA IS GENERATED BY FOUR FOLD AXIS: REMARK 300 X,Y,Z REMARK 300 -X,-Y,Z REMARK 300 -X,Y,Z REMARK 300 X,-Y,Z 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: DODECAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 309.48000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 309.48000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 -1.000000 0.000000 0.000000 309.48000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 309.48000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 TL TL C 401 LIES ON A SPECIAL POSITION. REMARK 375 TL TL C 402 LIES ON A SPECIAL POSITION. REMARK 375 TL TL C 403 LIES ON A SPECIAL POSITION. REMARK 375 TL TL C 404 LIES ON A SPECIAL POSITION. REMARK 375 TL TL C 405 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 513 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 524 LIES ON A SPECIAL POSITION. REMARK 375 HOH C 536 LIES ON A SPECIAL POSITION. 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 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 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 GLU A 17 CG CD OE1 OE2 REMARK 470 ASN A 145 CG OD1 ND2 REMARK 470 LYS A 169 CG CD CE NZ REMARK 470 ASN A 212 CG OD1 ND2 REMARK 470 LYS B 23 CG CD CE NZ REMARK 470 GLN B 65 CG CD OE1 NE2 REMARK 470 LYS B 74 CG CD CE NZ REMARK 470 GLU B 89 CG CD OE1 OE2 REMARK 470 LYS B 120 CG CD CE NZ REMARK 470 GLN B 136 CG CD OE1 NE2 REMARK 470 THR B 137 OG1 CG2 REMARK 470 ASN B 138 CG OD1 ND2 REMARK 470 SER B 165 OG REMARK 470 SER B 166 OG REMARK 470 SER B 177 OG REMARK 470 ASP B 178 CG OD1 OD2 REMARK 470 ASP B 219 CG OD1 OD2 REMARK 470 SER C 22 OG REMARK 470 ARG C 27 CG CD NE CZ NH1 NH2 REMARK 470 ARG C 117 CG CD NE CZ NH1 NH2 REMARK 470 ARG C 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 ALA A 51 -40.32 65.30 REMARK 500 SER A 77 78.53 54.35 REMARK 500 ALA A 84 -179.31 178.73 REMARK 500 ASP A 170 12.15 -144.22 REMARK 500 ASN A 190 -62.56 -105.45 REMARK 500 ALA B 92 178.91 176.74 REMARK 500 ASN B 138 -144.14 -112.72 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 LIGAND DGA IS A PARTIAL LIPID. 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 DGA C 501 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 TL C 403 TL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 75 O REMARK 620 2 THR C 75 O 72.8 REMARK 620 3 THR C 75 O 72.8 114.1 REMARK 620 4 THR C 75 O 114.1 72.8 72.8 REMARK 620 5 VAL C 76 O 73.2 83.3 134.3 150.5 REMARK 620 6 VAL C 76 O 134.3 73.2 150.5 83.3 73.4 REMARK 620 7 VAL C 76 O 83.3 150.5 73.2 134.3 73.4 115.5 REMARK 620 8 VAL C 76 O 150.5 134.3 83.3 73.2 115.5 73.4 73.4 REMARK 620 9 TL C 404 TL 57.0 57.0 57.0 57.0 122.3 122.3 122.3 122.3 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 TL C 404 TL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 75 OG1 REMARK 620 2 THR C 75 O 61.9 REMARK 620 3 THR C 75 O 104.9 66.1 REMARK 620 4 THR C 75 OG1 81.7 103.1 61.9 REMARK 620 5 THR C 75 O 103.1 66.1 101.0 162.8 REMARK 620 6 THR C 75 OG1 81.7 104.9 162.8 135.3 61.9 REMARK 620 7 THR C 75 O 162.8 101.0 66.1 104.9 66.1 103.1 REMARK 620 8 THR C 75 OG1 135.3 162.8 103.1 81.7 104.9 81.7 61.9 REMARK 620 9 HOH C 524 O 67.6 129.5 129.5 67.6 129.5 67.6 129.5 67.6 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 TL C 402 TL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL C 76 O REMARK 620 2 VAL C 76 O 72.7 REMARK 620 3 VAL C 76 O 72.7 114.0 REMARK 620 4 VAL C 76 O 114.0 72.7 72.7 REMARK 620 5 GLY C 77 O 64.5 130.0 77.3 148.5 REMARK 620 6 GLY C 77 O 77.3 64.5 148.5 130.0 81.3 REMARK 620 7 GLY C 77 O 130.0 148.5 64.5 77.3 81.3 134.3 REMARK 620 8 GLY C 77 O 148.5 77.3 130.0 64.5 134.3 81.3 81.3 REMARK 620 9 TL C 403 TL 57.0 57.0 57.0 57.0 112.8 112.8 112.8 112.8 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 TL C 401 TL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY C 77 O REMARK 620 2 GLY C 77 O 60.1 REMARK 620 3 GLY C 77 O 60.1 90.1 REMARK 620 4 GLY C 77 O 90.1 60.1 60.1 REMARK 620 5 TYR C 78 O 67.1 79.8 123.6 139.8 REMARK 620 6 TYR C 78 O 123.6 67.1 139.8 79.8 85.9 REMARK 620 7 TYR C 78 O 79.8 139.8 67.1 123.6 85.9 149.2 REMARK 620 8 TYR C 78 O 139.8 123.6 79.8 67.1 149.2 85.9 85.9 REMARK 620 9 TL C 402 TL 45.1 45.1 45.1 45.1 105.4 105.4 105.4 105.4 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 TL C 405 TL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH C 528 O REMARK 620 2 HOH C 528 O 70.7 REMARK 620 3 HOH C 528 O 70.7 109.9 REMARK 620 4 HOH C 528 O 109.9 70.7 70.7 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TL C 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TL C 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TL C 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TL C 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DGA C 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE F09 B 502 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K4C RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN HIGH CONCENTRATION OF K+ REMARK 900 RELATED ID: 1K4D RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LOW CONCENTRATION OF K+ REMARK 900 RELATED ID: 1R3I RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN RB+ REMARK 900 RELATED ID: 1R3K RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LOW CONCENTRATION OF TL+ REMARK 900 RELATED ID: 1R3L RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN CS+ REMARK 999 REMARK 999 SEQUENCE REMARK 999 A SUITABLE DATABASE REFERENCE SEQUENCE COULD NOT REMARK 999 BE FOUND FOR CHAINS A AND B IN THIS STRUCTURE AT REMARK 999 THE TIME OF PROCESSING. DBREF 1R3J C 1 124 UNP P0A334 KCSA_STRLI 1 124 DBREF 1R3J A 1 212 PDB 1R3J 1R3J 1 212 DBREF 1R3J B 1 219 PDB 1R3J 1R3J 1 219 SEQADV 1R3J ALA C 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 1R3J CYS C 90 UNP P0A334 LEU 90 ENGINEERED MUTATION SEQRES 1 A 212 ASP ILE LEU LEU THR GLN SER PRO ALA ILE LEU SER VAL SEQRES 2 A 212 SER PRO GLY GLU ARG VAL SER PHE SER CYS ARG ALA SER SEQRES 3 A 212 GLN SER ILE GLY THR ASP ILE HIS TRP TYR GLN GLN ARG SEQRES 4 A 212 THR ASN GLY SER PRO ARG LEU LEU ILE LYS TYR ALA SER SEQRES 5 A 212 GLU SER ILE SER GLY ILE PRO SER ARG PHE SER GLY SER SEQRES 6 A 212 GLY SER GLY THR ASP PHE THR LEU SER ILE ASN SER VAL SEQRES 7 A 212 GLU SER GLU ASP ILE ALA ASN TYR TYR CYS GLN GLN SER SEQRES 8 A 212 ASN ARG TRP PRO PHE THR PHE GLY SER GLY THR LYS LEU SEQRES 9 A 212 GLU ILE LYS ARG ALA ASP ALA ALA PRO THR VAL SER ILE SEQRES 10 A 212 PHE PRO PRO SER SER GLU GLN LEU THR SER GLY GLY ALA SEQRES 11 A 212 SER VAL VAL CYS PHE LEU ASN ASN PHE TYR PRO LYS ASP SEQRES 12 A 212 ILE ASN VAL LYS TRP LYS ILE ASP GLY SER GLU ARG GLN SEQRES 13 A 212 ASN GLY VAL LEU ASN SER TRP THR ASP GLN ASP SER LYS SEQRES 14 A 212 ASP SER THR TYR SER MET SER SER THR LEU THR LEU THR SEQRES 15 A 212 LYS ASP GLU TYR GLU ARG HIS ASN SER TYR THR CYS GLU SEQRES 16 A 212 ALA THR HIS LYS THR SER THR SER PRO ILE VAL LYS SER SEQRES 17 A 212 PHE ASN ARG ASN SEQRES 1 B 219 GLN VAL GLN LEU GLN GLN PRO GLY ALA GLU LEU VAL LYS SEQRES 2 B 219 PRO GLY ALA SER VAL LYS LEU SER CYS LYS ALA SER GLY SEQRES 3 B 219 TYR THR PHE THR SER ASP TRP ILE HIS TRP VAL LYS GLN SEQRES 4 B 219 ARG PRO GLY HIS GLY LEU GLU TRP ILE GLY GLU ILE ILE SEQRES 5 B 219 PRO SER TYR GLY ARG ALA ASN TYR ASN GLU LYS ILE GLN SEQRES 6 B 219 LYS LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR SEQRES 7 B 219 ALA PHE MET GLN LEU SER SER LEU THR SER GLU ASP SER SEQRES 8 B 219 ALA VAL TYR TYR CYS ALA ARG GLU ARG GLY ASP GLY TYR SEQRES 9 B 219 PHE ALA VAL TRP GLY ALA GLY THR THR VAL THR VAL SER SEQRES 10 B 219 SER ALA LYS THR THR PRO PRO SER VAL TYR PRO LEU ALA SEQRES 11 B 219 PRO GLY SER ALA ALA GLN THR ASN SER MET VAL THR LEU SEQRES 12 B 219 GLY CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR SEQRES 13 B 219 VAL THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS SEQRES 14 B 219 THR PHE PRO ALA VAL LEU GLN SER ASP LEU TYR THR LEU SEQRES 15 B 219 SER SER SER VAL THR VAL PRO SER SER SER TRP PRO SER SEQRES 16 B 219 GLU THR VAL THR CYS ASN VAL ALA HIS PRO ALA SER SER SEQRES 17 B 219 THR LYS VAL ASP LYS LYS ILE VAL PRO ARG ASP SEQRES 1 C 124 MET ALA PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 C 124 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 C 124 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 C 124 LEU LEU ALA GLY SER TYR LEU ALA VAL LEU ALA GLU ARG SEQRES 5 C 124 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 C 124 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 C 124 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG CYS VAL SEQRES 8 C 124 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 C 124 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 C 124 GLU GLN GLU ARG ARG GLY HIS HET F09 B 502 10 HET TL C 401 1 HET TL C 402 1 HET TL C 403 1 HET TL C 404 1 HET TL C 405 1 HET DGA C 501 22 HETNAM F09 NONAN-1-OL HETNAM TL THALLIUM (I) ION HETNAM DGA DIACYL GLYCEROL FORMUL 4 F09 C9 H20 O FORMUL 5 TL 5(TL 1+) FORMUL 10 DGA C39 H76 O5 FORMUL 11 HOH *360(H2 O) HELIX 1 1 GLU A 79 ILE A 83 5 5 HELIX 2 2 SER A 121 THR A 126 1 6 HELIX 3 3 LYS A 183 ARG A 188 1 6 HELIX 4 4 THR B 87 SER B 91 5 5 HELIX 5 5 SER B 161 SER B 163 5 3 HELIX 6 6 SER B 191 TRP B 193 5 3 HELIX 7 7 PRO B 205 SER B 208 5 4 HELIX 8 8 ALA C 23 ARG C 52 1 30 HELIX 9 9 THR C 61 THR C 74 1 14 HELIX 10 10 THR C 85 ARG C 122 1 38 SHEET 1 A 4 LEU A 4 THR A 5 0 SHEET 2 A 4 VAL A 19 ALA A 25 -1 O ARG A 24 N THR A 5 SHEET 3 A 4 ASP A 70 ILE A 75 -1 O LEU A 73 N PHE A 21 SHEET 4 A 4 PHE A 62 SER A 67 -1 N SER A 63 O SER A 74 SHEET 1 B 6 ILE A 10 VAL A 13 0 SHEET 2 B 6 THR A 102 ILE A 106 1 O GLU A 105 N LEU A 11 SHEET 3 B 6 ASN A 85 GLN A 90 -1 N TYR A 86 O THR A 102 SHEET 4 B 6 ILE A 33 GLN A 38 -1 N GLN A 38 O ASN A 85 SHEET 5 B 6 ARG A 45 LYS A 49 -1 O LEU A 47 N TRP A 35 SHEET 6 B 6 GLU A 53 SER A 54 -1 O GLU A 53 N LYS A 49 SHEET 1 C 4 ILE A 10 VAL A 13 0 SHEET 2 C 4 THR A 102 ILE A 106 1 O GLU A 105 N LEU A 11 SHEET 3 C 4 ASN A 85 GLN A 90 -1 N TYR A 86 O THR A 102 SHEET 4 C 4 THR A 97 PHE A 98 -1 O THR A 97 N GLN A 90 SHEET 1 D 4 THR A 114 PHE A 118 0 SHEET 2 D 4 GLY A 129 PHE A 139 -1 O VAL A 133 N PHE A 118 SHEET 3 D 4 TYR A 173 THR A 182 -1 O LEU A 181 N ALA A 130 SHEET 4 D 4 VAL A 159 TRP A 163 -1 N LEU A 160 O THR A 178 SHEET 1 E 4 SER A 153 ARG A 155 0 SHEET 2 E 4 ASN A 145 ILE A 150 -1 N TRP A 148 O ARG A 155 SHEET 3 E 4 SER A 191 THR A 197 -1 O THR A 197 N ASN A 145 SHEET 4 E 4 ILE A 205 ASN A 210 -1 O ILE A 205 N ALA A 196 SHEET 1 F 4 LEU B 4 GLN B 5 0 SHEET 2 F 4 VAL B 18 ALA B 24 -1 O LYS B 23 N GLN B 5 SHEET 3 F 4 THR B 78 LEU B 83 -1 O MET B 81 N LEU B 20 SHEET 4 F 4 ALA B 68 ASP B 73 -1 N ASP B 73 O THR B 78 SHEET 1 G 6 ALA B 9 VAL B 12 0 SHEET 2 G 6 THR B 112 VAL B 116 1 O THR B 115 N VAL B 12 SHEET 3 G 6 ALA B 92 GLU B 99 -1 N ALA B 92 O VAL B 114 SHEET 4 G 6 TRP B 33 GLN B 39 -1 N VAL B 37 O TYR B 95 SHEET 5 G 6 GLU B 46 ILE B 51 -1 O GLU B 46 N LYS B 38 SHEET 6 G 6 ALA B 58 TYR B 60 -1 O ASN B 59 N GLU B 50 SHEET 1 H 4 ALA B 9 VAL B 12 0 SHEET 2 H 4 THR B 112 VAL B 116 1 O THR B 115 N VAL B 12 SHEET 3 H 4 ALA B 92 GLU B 99 -1 N ALA B 92 O VAL B 114 SHEET 4 H 4 VAL B 107 TRP B 108 -1 O VAL B 107 N ARG B 98 SHEET 1 I 4 SER B 125 LEU B 129 0 SHEET 2 I 4 MET B 140 TYR B 150 -1 O LEU B 146 N TYR B 127 SHEET 3 I 4 TYR B 180 PRO B 189 -1 O TYR B 180 N TYR B 150 SHEET 4 I 4 VAL B 168 THR B 170 -1 N HIS B 169 O SER B 185 SHEET 1 J 4 SER B 125 LEU B 129 0 SHEET 2 J 4 MET B 140 TYR B 150 -1 O LEU B 146 N TYR B 127 SHEET 3 J 4 TYR B 180 PRO B 189 -1 O TYR B 180 N TYR B 150 SHEET 4 J 4 VAL B 174 LEU B 175 -1 N VAL B 174 O THR B 181 SHEET 1 K 3 THR B 156 TRP B 159 0 SHEET 2 K 3 THR B 199 HIS B 204 -1 O ASN B 201 N THR B 158 SHEET 3 K 3 THR B 209 LYS B 214 -1 O THR B 209 N HIS B 204 SSBOND 1 CYS A 23 CYS A 88 1555 1555 2.05 SSBOND 2 CYS A 134 CYS A 194 1555 1555 2.03 SSBOND 3 CYS B 22 CYS B 96 1555 1555 2.04 LINK O THR C 75 TL TL C 403 1555 1555 2.82 LINK O THR C 75 TL TL C 403 4575 1555 2.82 LINK O THR C 75 TL TL C 403 3755 1555 2.82 LINK O THR C 75 TL TL C 403 2775 1555 2.82 LINK OG1 THR C 75 TL TL C 404 1555 1555 2.88 LINK O THR C 75 TL TL C 404 1555 1555 3.06 LINK O THR C 75 TL TL C 404 4575 1555 3.06 LINK OG1 THR C 75 TL TL C 404 4575 1555 2.88 LINK O THR C 75 TL TL C 404 3755 1555 3.06 LINK OG1 THR C 75 TL TL C 404 3755 1555 2.88 LINK O THR C 75 TL TL C 404 2775 1555 3.06 LINK OG1 THR C 75 TL TL C 404 2775 1555 2.88 LINK O VAL C 76 TL TL C 402 1555 1555 3.06 LINK O VAL C 76 TL TL C 402 4575 1555 3.06 LINK O VAL C 76 TL TL C 402 3755 1555 3.06 LINK O VAL C 76 TL TL C 402 2775 1555 3.06 LINK O VAL C 76 TL TL C 403 1555 1555 3.03 LINK O VAL C 76 TL TL C 403 4575 1555 3.03 LINK O VAL C 76 TL TL C 403 3755 1555 3.03 LINK O VAL C 76 TL TL C 403 2775 1555 3.03 LINK O GLY C 77 TL TL C 401 1555 1555 3.46 LINK O GLY C 77 TL TL C 401 4575 1555 3.46 LINK O GLY C 77 TL TL C 401 3755 1555 3.46 LINK O GLY C 77 TL TL C 401 2775 1555 3.46 LINK O GLY C 77 TL TL C 402 1555 1555 2.66 LINK O GLY C 77 TL TL C 402 4575 1555 2.66 LINK O GLY C 77 TL TL C 402 3755 1555 2.66 LINK O GLY C 77 TL TL C 402 2775 1555 2.66 LINK O TYR C 78 TL TL C 401 1555 1555 2.70 LINK O TYR C 78 TL TL C 401 4575 1555 2.70 LINK O TYR C 78 TL TL C 401 3755 1555 2.70 LINK O TYR C 78 TL TL C 401 2775 1555 2.70 LINK TL TL C 401 TL TL C 402 1555 1555 3.48 LINK TL TL C 401 TL TL C 402 1555 2775 3.48 LINK TL TL C 401 TL TL C 402 1555 3755 3.48 LINK TL TL C 401 TL TL C 402 1555 4575 3.48 LINK TL TL C 401 O HOH C 536 1555 1555 3.42 LINK TL TL C 401 O HOH C 536 1555 2775 3.42 LINK TL TL C 401 O HOH C 536 1555 3755 3.42 LINK TL TL C 401 O HOH C 536 1555 4575 3.42 LINK TL TL C 402 TL TL C 403 1555 1555 3.29 LINK TL TL C 402 TL TL C 403 1555 2775 3.29 LINK TL TL C 402 TL TL C 403 1555 3755 3.29 LINK TL TL C 402 TL TL C 403 1555 4575 3.29 LINK TL TL C 403 TL TL C 404 1555 1555 3.48 LINK TL TL C 403 TL TL C 404 1555 3755 3.48 LINK TL TL C 403 TL TL C 404 1555 2775 3.48 LINK TL TL C 403 TL TL C 404 1555 4575 3.48 LINK TL TL C 404 O HOH C 524 1555 1555 2.66 LINK TL TL C 404 O HOH C 524 1555 2775 2.66 LINK TL TL C 404 O HOH C 524 1555 3755 2.66 LINK TL TL C 404 O HOH C 524 1555 4575 2.66 LINK TL TL C 405 O HOH C 528 1555 1555 3.23 LINK TL TL C 405 O HOH C 528 1555 4575 3.23 LINK TL TL C 405 O HOH C 528 1555 3755 3.23 LINK TL TL C 405 O HOH C 528 1555 2775 3.23 CISPEP 1 SER A 7 PRO A 8 0 0.02 CISPEP 2 TRP A 94 PRO A 95 0 -0.07 CISPEP 3 TYR A 140 PRO A 141 0 0.20 CISPEP 4 PHE B 151 PRO B 152 0 -0.29 CISPEP 5 GLU B 153 PRO B 154 0 -0.11 CISPEP 6 TRP B 193 PRO B 194 0 -0.08 SITE 1 AC1 3 GLY C 77 TYR C 78 TL C 402 SITE 1 AC2 4 VAL C 76 GLY C 77 TL C 401 TL C 403 SITE 1 AC3 4 THR C 75 VAL C 76 TL C 402 TL C 404 SITE 1 AC4 3 THR C 75 TL C 403 HOH C 524 SITE 1 AC5 8 PRO C 63 ARG C 64 VAL C 84 LEU C 86 SITE 2 AC5 8 ARG C 89 HOH C 505 HOH C 521 HOH C 527 SITE 1 AC6 3 ARG B 57 HOH B 582 VAL C 91 CRYST1 154.740 154.740 76.380 90.00 90.00 90.00 I 4 8 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 0.006462 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006462 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013092 0.00000 MASTER 464 0 7 10 47 0 7 6 0 0 0 44 END