HEADER MEMBRANE PROTEIN 02-OCT-03 1R3K TITLE POTASSIUM CHANNEL KCSA-FAB COMPLEX IN LOW 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 23-AUG-23 1R3K 1 REMARK REVDAT 3 27-OCT-21 1R3K 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1R3K 1 VERSN REVDAT 1 25-NOV-03 1R3K 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. 2.80 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) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.74 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) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 21821 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) : 0.238 REMARK 3 FREE R VALUE : 0.273 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1094 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3403 REMARK 3 BIN R VALUE (WORKING SET) : 0.3510 REMARK 3 BIN FREE R VALUE : 0.3820 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 172 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.029 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3981 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 58.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -5.37000 REMARK 3 B22 (A**2) : -5.37000 REMARK 3 B33 (A**2) : 10.74000 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) : 0.46 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.59 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.930 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 : 43.55 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 : LIPID.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 : LIPID.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 ESTIMATED VALUES. PLEASE REMARK 3 REFER TO REMARK 3 THE PRIMARY CITATION FOR A DETAILED ANALYSIS OF ION OCCUPANCY. REMARK 4 REMARK 4 1R3K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-NOV-03. REMARK 100 THE DEPOSITION ID IS D_1000020393. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAY-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 : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.935 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 : 21868 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : 0.13600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: 1K4C REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.71 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 77.09000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 77.09000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 37.52500 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 77.09000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 77.09000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 37.52500 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 77.09000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 77.09000 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 37.52500 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 77.09000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 77.09000 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 37.52500 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 -1.000000 0.000000 0.000000 308.36000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 308.36000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 308.36000 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 308.36000 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 301 LIES ON A SPECIAL POSITION. REMARK 375 TL TL C 302 LIES ON A SPECIAL POSITION. REMARK 375 TL TL C 303 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 LEU A 125 CG CD1 CD2 REMARK 470 LYS A 147 CG CD CE NZ REMARK 470 GLN A 156 CG CD OE1 NE2 REMARK 470 LYS A 199 CG CD CE NZ REMARK 470 ILE A 205 CG1 CG2 CD1 REMARK 470 VAL A 206 CG1 CG2 REMARK 470 ASN A 212 CG OD1 ND2 REMARK 470 LYS B 23 CG CD CE NZ REMARK 470 GLU B 62 CG CD OE1 OE2 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 LYS B 148 CG CD CE NZ REMARK 470 SER B 165 OG REMARK 470 SER B 177 OG REMARK 470 ASP B 178 CG OD1 OD2 REMARK 470 LYS B 210 CG CD CE NZ REMARK 470 LYS B 213 CG CD CE NZ 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 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 ASP A 32 O GLN A 90 2.18 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 B 145 CA - CB - SG ANGL. DEV. = 6.6 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 VAL A 13 153.87 165.92 REMARK 500 PRO A 15 129.36 -38.57 REMARK 500 ALA A 51 -51.37 71.69 REMARK 500 PRO A 59 150.52 -48.29 REMARK 500 SER A 77 87.70 55.18 REMARK 500 ALA A 84 -167.86 -179.95 REMARK 500 THR A 126 -18.29 -43.23 REMARK 500 ASP A 184 -73.65 -50.12 REMARK 500 GLU A 185 -35.68 -40.00 REMARK 500 ARG A 188 38.89 -76.36 REMARK 500 ASN A 190 -53.76 -120.20 REMARK 500 ARG A 211 13.01 -55.75 REMARK 500 VAL B 2 90.06 46.82 REMARK 500 ALA B 16 -156.02 -62.89 REMARK 500 SER B 54 -92.20 -51.40 REMARK 500 ASN B 61 98.10 -65.76 REMARK 500 ALA B 92 175.69 177.11 REMARK 500 ARG B 100 32.85 -82.64 REMARK 500 ALA B 119 176.62 -57.77 REMARK 500 THR B 122 114.37 -160.64 REMARK 500 PRO B 131 173.51 -58.70 REMARK 500 ASN B 138 -144.18 -86.62 REMARK 500 ASN B 160 46.37 73.27 REMARK 500 GLN B 176 108.70 -176.29 REMARK 500 SER B 192 -5.94 -59.22 REMARK 500 THR B 197 153.13 -42.86 REMARK 500 SER B 208 72.58 45.66 REMARK 500 LYS B 213 116.66 -162.08 REMARK 500 ARG C 121 32.21 -88.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE 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 201 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 302 TL REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR C 75 OG1 REMARK 620 2 THR C 75 O 58.4 REMARK 620 3 THR C 75 OG1 82.4 92.6 REMARK 620 4 THR C 75 O 112.3 70.0 58.4 REMARK 620 5 THR C 75 OG1 82.4 112.3 137.3 161.8 REMARK 620 6 THR C 75 O 92.6 70.0 161.8 108.5 58.4 REMARK 620 7 THR C 75 OG1 137.3 161.8 82.4 92.6 82.4 112.3 REMARK 620 8 THR C 75 O 161.8 108.5 112.3 70.0 92.6 70.0 58.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DGA C 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TL C 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TL C 302 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: 1R3J RELATED DB: PDB REMARK 900 POTASSIUM CHANNEL KCSA-FAB COMPLEX IN HIGH 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 BE REMARK 999 FOUND FOR CHAINS A AND B AT THE TIME OF PROCESSING. DBREF 1R3K C 1 124 UNP P0A334 KCSA_STRLI 1 124 DBREF 1R3K A 1 212 PDB 1R3K 1R3K 1 212 DBREF 1R3K B 1 219 PDB 1R3K 1R3K 1 219 SEQADV 1R3K ALA C 2 UNP P0A334 PRO 2 ENGINEERED MUTATION SEQADV 1R3K 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 DGA C 201 21 HET TL C 301 1 HET TL C 302 1 HET TL C 303 1 HETNAM DGA DIACYL GLYCEROL HETNAM TL THALLIUM (I) ION FORMUL 4 DGA C39 H76 O5 FORMUL 5 TL 3(TL 1+) 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 HIS B 204 SER B 208 5 5 HELIX 5 5 ALA C 23 ARG C 52 1 30 HELIX 6 6 THR C 61 THR C 74 1 14 HELIX 7 7 THR C 85 ARG C 121 1 37 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 5 ILE A 10 LEU A 11 0 SHEET 2 B 5 THR A 102 LEU A 104 1 O LYS A 103 N LEU A 11 SHEET 3 B 5 ASN A 85 GLN A 89 -1 N TYR A 86 O THR A 102 SHEET 4 B 5 HIS A 34 GLN A 38 -1 N HIS A 34 O GLN A 89 SHEET 5 B 5 ARG A 45 ILE A 48 -1 O ILE A 48 N TRP A 35 SHEET 1 C 4 THR A 114 PHE A 118 0 SHEET 2 C 4 GLY A 129 PHE A 139 -1 O VAL A 133 N PHE A 118 SHEET 3 C 4 TYR A 173 THR A 182 -1 O TYR A 173 N PHE A 139 SHEET 4 C 4 VAL A 159 THR A 164 -1 N SER A 162 O SER A 176 SHEET 1 D 4 SER A 153 ARG A 155 0 SHEET 2 D 4 ILE A 144 ILE A 150 -1 N TRP A 148 O ARG A 155 SHEET 3 D 4 SER A 191 HIS A 198 -1 O GLU A 195 N LYS A 147 SHEET 4 D 4 SER A 201 ASN A 210 -1 O LYS A 207 N CYS A 194 SHEET 1 E 4 LEU B 4 GLN B 5 0 SHEET 2 E 4 SER B 17 ALA B 24 -1 O LYS B 23 N GLN B 5 SHEET 3 E 4 THR B 78 SER B 84 -1 O LEU B 83 N VAL B 18 SHEET 4 E 4 LEU B 70 ASP B 73 -1 N THR B 71 O PHE B 80 SHEET 1 F 6 ALA B 9 VAL B 12 0 SHEET 2 F 6 THR B 112 VAL B 116 1 O THR B 115 N VAL B 12 SHEET 3 F 6 ALA B 92 GLU B 99 -1 N ALA B 92 O VAL B 114 SHEET 4 F 6 TRP B 33 GLN B 39 -1 N VAL B 37 O TYR B 95 SHEET 5 F 6 GLU B 46 ILE B 52 -1 O ILE B 51 N ILE B 34 SHEET 6 F 6 ARG B 57 TYR B 60 -1 O ARG B 57 N ILE B 52 SHEET 1 G 4 ALA B 9 VAL B 12 0 SHEET 2 G 4 THR B 112 VAL B 116 1 O THR B 115 N VAL B 12 SHEET 3 G 4 ALA B 92 GLU B 99 -1 N ALA B 92 O VAL B 114 SHEET 4 G 4 PHE B 105 TRP B 108 -1 O VAL B 107 N ARG B 98 SHEET 1 H 4 SER B 125 LEU B 129 0 SHEET 2 H 4 MET B 140 TYR B 150 -1 O LEU B 146 N TYR B 127 SHEET 3 H 4 TYR B 180 PRO B 189 -1 O TYR B 180 N TYR B 150 SHEET 4 H 4 HIS B 169 THR B 170 -1 N HIS B 169 O SER B 185 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 174 LEU B 175 -1 N VAL B 174 O THR B 181 SHEET 1 J 3 THR B 156 TRP B 159 0 SHEET 2 J 3 THR B 199 ALA B 203 -1 O ASN B 201 N THR B 158 SHEET 3 J 3 VAL B 211 LYS B 214 -1 O VAL B 211 N VAL B 202 SSBOND 1 CYS A 23 CYS A 88 1555 1555 2.06 SSBOND 2 CYS A 134 CYS A 194 1555 1555 2.04 SSBOND 3 CYS B 22 CYS B 96 1555 1555 2.04 SSBOND 4 CYS B 145 CYS B 200 1555 1555 2.05 LINK OG1 THR C 75 TL TL C 302 1555 1555 3.30 LINK O THR C 75 TL TL C 302 1555 1555 3.02 LINK OG1 THR C 75 TL TL C 302 4575 1555 3.30 LINK O THR C 75 TL TL C 302 4575 1555 3.02 LINK OG1 THR C 75 TL TL C 302 3755 1555 3.30 LINK O THR C 75 TL TL C 302 3755 1555 3.02 LINK OG1 THR C 75 TL TL C 302 2775 1555 3.30 LINK O THR C 75 TL TL C 302 2775 1555 3.02 CISPEP 1 SER A 7 PRO A 8 0 -0.46 CISPEP 2 TRP A 94 PRO A 95 0 -0.16 CISPEP 3 TYR A 140 PRO A 141 0 -0.03 CISPEP 4 PHE B 151 PRO B 152 0 -0.23 CISPEP 5 GLU B 153 PRO B 154 0 0.16 CISPEP 6 TRP B 193 PRO B 194 0 -0.40 SITE 1 AC1 3 GLU A 53 PRO C 63 ARG C 89 SITE 1 AC2 1 TYR C 78 SITE 1 AC3 1 THR C 75 CRYST1 154.180 154.180 75.050 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 0.006486 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006486 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013324 0.00000