HEADER MEMBRANE PROTEIN 26-OCT-23 8QZ2 TITLE CRYSTAL STRUCTURE OF HUMAN TWO PORE DOMAIN POTASSIUM ION CHANNEL TREK- TITLE 2 2 (K2P10.1) IN COMPLEX WITH AN INHIBITORY NANOBODY (NB61) COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL SUBFAMILY K MEMBER 10; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: NANOBODY 61; COMPND 8 CHAIN: C; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KCNK10; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PFB-CT10HF-LIC; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: LAMA GLAMA; SOURCE 13 ORGANISM_TAXID: 9844; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_STRAIN: WK6; SOURCE 17 EXPRESSION_SYSTEM_PLASMID: PMESY4 KEYWDS POTASSIUM ION CHANNEL, NANOBODY, MEMBRANE PROTEIN, STRUCTURAL KEYWDS 2 GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC EXPDTA X-RAY DIFFRACTION AUTHOR A.BARONINA,A.C.W.PIKE,K.E.J.RODSTROM,J.ANG,S.R.BUSHELL,R.CHALK, AUTHOR 2 S.M.M.MUKHOPADHYAY,E.PARDON,C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA, AUTHOR 3 N.A.BURGESS-BROWN,S.J.TUCKER,J.STEYAERT,E.P.CARPENTER,STRUCTURAL AUTHOR 4 GENOMICS CONSORTIUM (SGC) REVDAT 1 29-MAY-24 8QZ2 0 JRNL AUTH K.E.J.RODSTROM,A.CLOAKE,J.SORMANN,A.BARONINA,K.H.M.SMITH, JRNL AUTH 2 A.C.W.PIKE,J.ANG,P.PROKS,M.SCHEWE,I.HOLLAND-KAYE, JRNL AUTH 3 S.R.BUSHELL,J.ELLIOTT,E.PARDON,T.BAUKROWITZ,R.J.OWENS, JRNL AUTH 4 S.NEWSTEAD,J.STEYAERT,E.P.CARPENTER,S.J.TUCKER JRNL TITL EXTRACELLULAR MODULATION OF TREK-2 ACTIVITY WITH NANOBODIES JRNL TITL 2 PROVIDES INSIGHT INTO THE MECHANISMS OF K2P CHANNEL JRNL TITL 3 REGULATION. JRNL REF NAT COMMUN V. 15 4173 2024 JRNL REFN ESSN 2041-1723 JRNL PMID 38755204 JRNL DOI 10.1038/S41467-024-48536-2 REMARK 2 REMARK 2 RESOLUTION. 3.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.4 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 52.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 11398 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 + TEST SET) : 0.281 REMARK 3 R VALUE (WORKING SET) : 0.280 REMARK 3 FREE R VALUE : 0.308 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 574 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 (ANGSTROMS) : 3.50 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 3.56 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.33 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : NULL REMARK 3 BIN R VALUE (WORKING + TEST SET) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3298 REMARK 3 BIN FREE R VALUE : 0.3396 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 25 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 : 4507 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 65.62 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.57230 REMARK 3 B22 (A**2) : 2.66220 REMARK 3 B33 (A**2) : -1.08990 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) : 0.590 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.675 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.798 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.792 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 4622 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 6316 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1419 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 769 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 4622 ; 10.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 635 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 3586 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 0.68 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.02 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 16.18 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|74 - A|323 B|600 - B|603 } REMARK 3 ORIGIN FOR THE GROUP (A): -4.2291 8.1096 321.7790 REMARK 3 T TENSOR REMARK 3 T11: 0.0321 T22: 0.101 REMARK 3 T33: 0.1 T12: 0.0285 REMARK 3 T13: -0.023 T23: 0.0498 REMARK 3 L TENSOR REMARK 3 L11: 0.4258 L22: 1.6621 REMARK 3 L33: 2.0927 L12: 0.0761 REMARK 3 L13: -0.4221 L23: -0.5231 REMARK 3 S TENSOR REMARK 3 S11: 0.1169 S12: 0.2019 S13: 0.4427 REMARK 3 S21: 0.2019 S22: 0.0065 S23: -0.4664 REMARK 3 S31: 0.4427 S32: -0.4664 S33: -0.1234 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: { B|75 - B|324 } REMARK 3 ORIGIN FOR THE GROUP (A): 5.0519 17.4710 322.8920 REMARK 3 T TENSOR REMARK 3 T11: -0.1136 T22: -0.0212 REMARK 3 T33: -0.0846 T12: 0.06 REMARK 3 T13: 0.0263 T23: 0.0918 REMARK 3 L TENSOR REMARK 3 L11: 1.0486 L22: 1.1102 REMARK 3 L33: 3.2836 L12: 0.014 REMARK 3 L13: 0.2401 L23: -0.1796 REMARK 3 S TENSOR REMARK 3 S11: 0.0715 S12: 0.2898 S13: 0.2183 REMARK 3 S21: 0.2898 S22: 0.1117 S23: 0.2766 REMARK 3 S31: 0.2183 S32: 0.2766 S33: -0.1832 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: { C|2 - C|122 } REMARK 3 ORIGIN FOR THE GROUP (A): 11.1242 35.0880 296.5660 REMARK 3 T TENSOR REMARK 3 T11: -0.3102 T22: -0.1639 REMARK 3 T33: -0.2048 T12: 0.0509 REMARK 3 T13: 0.0319 T23: -0.0339 REMARK 3 L TENSOR REMARK 3 L11: 3.6103 L22: 4.9754 REMARK 3 L33: 8.6666 L12: 1.5131 REMARK 3 L13: 0.4024 L23: -2.4116 REMARK 3 S TENSOR REMARK 3 S11: 0.0548 S12: 0.1752 S13: -0.3834 REMARK 3 S21: 0.1752 S22: 0.0878 S23: 0.2127 REMARK 3 S31: -0.3834 S32: 0.2127 S33: -0.1426 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8QZ2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-OCT-23. REMARK 100 THE DEPOSITION ID IS D_1292134154. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-OCT-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I24 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9686 REMARK 200 MONOCHROMATOR : M REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS, STARANISO REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11445 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.499 REMARK 200 RESOLUTION RANGE LOW (A) : 57.842 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 3.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.7 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MAG7.9, 0.1 M NA ACETATE PH 4.5, 0.3 M REMARK 280 KCL, 23% V/V POLYETHYLENE GLYCOL 400, LIPIDIC CUBIC PHASE, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 144.60400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 144.60400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 28.26900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 55.84900 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 28.26900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 55.84900 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 144.60400 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 28.26900 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 55.84900 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 144.60400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 28.26900 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 55.84900 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 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 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: TRIMERIC 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 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 PHE A 226 REMARK 465 ARG A 227 REMARK 465 LYS A 228 REMARK 465 LYS A 229 REMARK 465 GLN A 230 REMARK 465 VAL A 231 REMARK 465 SER A 232 REMARK 465 GLN A 233 REMARK 465 THR A 234 REMARK 465 LYS A 235 REMARK 465 ILE A 236 REMARK 465 GLY A 324 REMARK 465 ASP A 325 REMARK 465 TRP A 326 REMARK 465 LEU A 327 REMARK 465 ARG A 328 REMARK 465 VAL A 329 REMARK 465 LEU A 330 REMARK 465 SER A 331 REMARK 465 LYS A 332 REMARK 465 LYS A 333 REMARK 465 THR A 334 REMARK 465 LYS A 335 REMARK 465 GLU A 336 REMARK 465 GLU A 337 REMARK 465 VAL A 338 REMARK 465 GLY A 339 REMARK 465 GLU A 340 REMARK 465 ALA A 341 REMARK 465 GLU A 342 REMARK 465 ASN A 343 REMARK 465 LEU A 344 REMARK 465 TYR A 345 REMARK 465 PHE A 346 REMARK 465 GLN A 347 REMARK 465 MET B 74 REMARK 465 ARG B 227 REMARK 465 LYS B 228 REMARK 465 LYS B 229 REMARK 465 GLN B 230 REMARK 465 ASP B 325 REMARK 465 TRP B 326 REMARK 465 LEU B 327 REMARK 465 ARG B 328 REMARK 465 VAL B 329 REMARK 465 LEU B 330 REMARK 465 SER B 331 REMARK 465 LYS B 332 REMARK 465 LYS B 333 REMARK 465 THR B 334 REMARK 465 LYS B 335 REMARK 465 GLU B 336 REMARK 465 GLU B 337 REMARK 465 VAL B 338 REMARK 465 GLY B 339 REMARK 465 GLU B 340 REMARK 465 ALA B 341 REMARK 465 GLU B 342 REMARK 465 ASN B 343 REMARK 465 LEU B 344 REMARK 465 TYR B 345 REMARK 465 PHE B 346 REMARK 465 GLN B 347 REMARK 465 GLN C 1 REMARK 465 SER C 123 REMARK 465 SER C 124 REMARK 465 HIS C 125 REMARK 465 HIS C 126 REMARK 465 HIS C 127 REMARK 465 HIS C 128 REMARK 465 HIS C 129 REMARK 465 HIS C 130 REMARK 465 GLU C 131 REMARK 465 PRO C 132 REMARK 465 GLU C 133 REMARK 465 ALA C 134 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 MET A 74 CG SD CE REMARK 470 LYS A 75 CG CD CE NZ REMARK 470 ARG A 96 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 153 CG CD OE1 NE2 REMARK 470 SER A 154 OG REMARK 470 GLN A 210 CG CD OE1 NE2 REMARK 470 LYS A 217 CD CE NZ REMARK 470 ARG A 221 CG CD NE CZ NH1 NH2 REMARK 470 VAL A 222 CG1 CG2 REMARK 470 GLU A 223 CG CD OE1 OE2 REMARK 470 LYS A 224 CG CD CE NZ REMARK 470 ARG A 237 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 261 CG CD CE NZ REMARK 470 TYR A 262 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASN A 292 CG OD1 ND2 REMARK 470 ASN A 296 CG OD1 ND2 REMARK 470 ARG A 298 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 302 CG CD CE NZ REMARK 470 TYR A 315 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU A 320 CG CD1 CD2 REMARK 470 SER A 321 OG REMARK 470 MET A 322 CG SD CE REMARK 470 ILE A 323 CG1 CG2 CD1 REMARK 470 LYS B 75 CG CD CE NZ REMARK 470 GLN B 127 CD OE1 NE2 REMARK 470 GLN B 134 CD OE1 NE2 REMARK 470 LEU B 159 CG CD1 CD2 REMARK 470 GLN B 210 CG CD OE1 NE2 REMARK 470 LYS B 217 CG CD CE NZ REMARK 470 ARG B 221 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 223 CG CD OE1 OE2 REMARK 470 LYS B 224 CG CD CE NZ REMARK 470 VAL B 231 CG1 CG2 REMARK 470 GLN B 233 CG CD OE1 NE2 REMARK 470 LYS B 235 CG CD CE NZ REMARK 470 ARG B 237 CG CD NE CZ NH1 NH2 REMARK 470 ASN B 292 CG OD1 ND2 REMARK 470 ILE B 295 CG1 CG2 CD1 REMARK 470 GLU B 299 CG CD OE1 OE2 REMARK 470 GLU C 44 CG CD OE1 OE2 REMARK 470 GLU C 88 CG CD OE1 OE2 REMARK 470 ARG C 99 CG CD NE CZ NH1 NH2 REMARK 470 ARG C 109 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 150 -119.20 -87.41 REMARK 500 SER A 151 -161.15 -177.36 REMARK 500 SER A 155 5.78 -63.53 REMARK 500 ASN B 292 39.35 -81.39 REMARK 500 ASN C 54 -97.78 -110.72 REMARK 500 REMARK 500 REMARK: NULL 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 K B 602 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 172 O REMARK 620 2 ILE A 173 O 76.9 REMARK 620 3 THR A 281 O 67.1 86.1 REMARK 620 4 VAL A 282 O 127.2 66.4 73.7 REMARK 620 5 THR B 172 O 97.9 148.2 63.5 94.6 REMARK 620 6 ILE B 173 O 158.8 113.1 130.1 73.5 83.0 REMARK 620 7 THR B 281 O 66.8 134.3 103.5 159.4 66.7 94.7 REMARK 620 8 VAL B 282 O 89.2 74.2 152.3 114.0 137.5 76.5 78.3 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 603 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 172 O REMARK 620 2 THR A 172 OG1 57.2 REMARK 620 3 THR A 281 O 60.9 99.8 REMARK 620 4 THR A 281 OG1 93.5 79.4 58.8 REMARK 620 5 THR B 172 O 100.7 157.8 65.4 104.0 REMARK 620 6 THR B 172 OG1 164.8 132.3 104.0 78.6 69.2 REMARK 620 7 THR B 281 O 64.0 93.2 100.9 156.2 74.8 121.3 REMARK 620 8 THR B 281 OG1 105.3 77.4 163.6 134.9 111.9 89.3 63.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 601 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 173 O REMARK 620 2 GLY A 174 O 72.2 REMARK 620 3 VAL A 282 O 70.3 129.9 REMARK 620 4 GLY A 283 O 84.0 77.3 67.0 REMARK 620 5 ILE B 173 O 103.2 153.8 68.1 128.5 REMARK 620 6 GLY B 174 O 146.3 130.5 76.2 79.0 67.1 REMARK 620 7 VAL B 282 O 72.6 89.5 109.2 155.8 64.9 124.3 REMARK 620 8 GLY B 283 O 132.0 84.6 145.5 131.6 79.9 79.7 65.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 600 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 174 O REMARK 620 2 TYR A 175 O 77.4 REMARK 620 3 GLY A 283 O 63.9 92.1 REMARK 620 4 PHE A 284 O 123.4 67.2 74.5 REMARK 620 5 GLY B 174 O 92.4 154.3 62.4 100.9 REMARK 620 6 TYR B 175 O 154.2 122.4 125.7 81.8 75.6 REMARK 620 7 GLY B 283 O 64.9 132.1 96.5 159.8 59.1 89.5 REMARK 620 8 PHE B 284 O 96.8 84.5 160.6 120.9 120.4 71.2 72.4 REMARK 620 N 1 2 3 4 5 6 7 DBREF 8QZ2 A 75 340 UNP P57789 KCNKA_HUMAN 70 335 DBREF 8QZ2 B 75 340 UNP P57789 KCNKA_HUMAN 70 335 DBREF 8QZ2 C 1 134 PDB 8QZ2 8QZ2 1 134 SEQADV 8QZ2 MET A 74 UNP P57789 INITIATING METHIONINE SEQADV 8QZ2 GLN A 149 UNP P57789 ASN 144 ENGINEERED MUTATION SEQADV 8QZ2 GLN A 152 UNP P57789 ASN 147 ENGINEERED MUTATION SEQADV 8QZ2 GLN A 153 UNP P57789 ASN 148 ENGINEERED MUTATION SEQADV 8QZ2 ALA A 341 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 GLU A 342 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 ASN A 343 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 LEU A 344 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 TYR A 345 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 PHE A 346 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 GLN A 347 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 MET B 74 UNP P57789 INITIATING METHIONINE SEQADV 8QZ2 GLN B 149 UNP P57789 ASN 144 ENGINEERED MUTATION SEQADV 8QZ2 GLN B 152 UNP P57789 ASN 147 ENGINEERED MUTATION SEQADV 8QZ2 GLN B 153 UNP P57789 ASN 148 ENGINEERED MUTATION SEQADV 8QZ2 ALA B 341 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 GLU B 342 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 ASN B 343 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 LEU B 344 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 TYR B 345 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 PHE B 346 UNP P57789 EXPRESSION TAG SEQADV 8QZ2 GLN B 347 UNP P57789 EXPRESSION TAG SEQRES 1 A 274 MET LYS THR VAL VAL ALA ILE PHE VAL VAL VAL VAL VAL SEQRES 2 A 274 TYR LEU VAL THR GLY GLY LEU VAL PHE ARG ALA LEU GLU SEQRES 3 A 274 GLN PRO PHE GLU SER SER GLN LYS ASN THR ILE ALA LEU SEQRES 4 A 274 GLU LYS ALA GLU PHE LEU ARG ASP HIS VAL CYS VAL SER SEQRES 5 A 274 PRO GLN GLU LEU GLU THR LEU ILE GLN HIS ALA LEU ASP SEQRES 6 A 274 ALA ASP ASN ALA GLY VAL SER PRO ILE GLY GLN SER SER SEQRES 7 A 274 GLN GLN SER SER HIS TRP ASP LEU GLY SER ALA PHE PHE SEQRES 8 A 274 PHE ALA GLY THR VAL ILE THR THR ILE GLY TYR GLY ASN SEQRES 9 A 274 ILE ALA PRO SER THR GLU GLY GLY LYS ILE PHE CYS ILE SEQRES 10 A 274 LEU TYR ALA ILE PHE GLY ILE PRO LEU PHE GLY PHE LEU SEQRES 11 A 274 LEU ALA GLY ILE GLY ASP GLN LEU GLY THR ILE PHE GLY SEQRES 12 A 274 LYS SER ILE ALA ARG VAL GLU LYS VAL PHE ARG LYS LYS SEQRES 13 A 274 GLN VAL SER GLN THR LYS ILE ARG VAL ILE SER THR ILE SEQRES 14 A 274 LEU PHE ILE LEU ALA GLY CYS ILE VAL PHE VAL THR ILE SEQRES 15 A 274 PRO ALA VAL ILE PHE LYS TYR ILE GLU GLY TRP THR ALA SEQRES 16 A 274 LEU GLU SER ILE TYR PHE VAL VAL VAL THR LEU THR THR SEQRES 17 A 274 VAL GLY PHE GLY ASP PHE VAL ALA GLY GLY ASN ALA GLY SEQRES 18 A 274 ILE ASN TYR ARG GLU TRP TYR LYS PRO LEU VAL TRP PHE SEQRES 19 A 274 TRP ILE LEU VAL GLY LEU ALA TYR PHE ALA ALA VAL LEU SEQRES 20 A 274 SER MET ILE GLY ASP TRP LEU ARG VAL LEU SER LYS LYS SEQRES 21 A 274 THR LYS GLU GLU VAL GLY GLU ALA GLU ASN LEU TYR PHE SEQRES 22 A 274 GLN SEQRES 1 B 274 MET LYS THR VAL VAL ALA ILE PHE VAL VAL VAL VAL VAL SEQRES 2 B 274 TYR LEU VAL THR GLY GLY LEU VAL PHE ARG ALA LEU GLU SEQRES 3 B 274 GLN PRO PHE GLU SER SER GLN LYS ASN THR ILE ALA LEU SEQRES 4 B 274 GLU LYS ALA GLU PHE LEU ARG ASP HIS VAL CYS VAL SER SEQRES 5 B 274 PRO GLN GLU LEU GLU THR LEU ILE GLN HIS ALA LEU ASP SEQRES 6 B 274 ALA ASP ASN ALA GLY VAL SER PRO ILE GLY GLN SER SER SEQRES 7 B 274 GLN GLN SER SER HIS TRP ASP LEU GLY SER ALA PHE PHE SEQRES 8 B 274 PHE ALA GLY THR VAL ILE THR THR ILE GLY TYR GLY ASN SEQRES 9 B 274 ILE ALA PRO SER THR GLU GLY GLY LYS ILE PHE CYS ILE SEQRES 10 B 274 LEU TYR ALA ILE PHE GLY ILE PRO LEU PHE GLY PHE LEU SEQRES 11 B 274 LEU ALA GLY ILE GLY ASP GLN LEU GLY THR ILE PHE GLY SEQRES 12 B 274 LYS SER ILE ALA ARG VAL GLU LYS VAL PHE ARG LYS LYS SEQRES 13 B 274 GLN VAL SER GLN THR LYS ILE ARG VAL ILE SER THR ILE SEQRES 14 B 274 LEU PHE ILE LEU ALA GLY CYS ILE VAL PHE VAL THR ILE SEQRES 15 B 274 PRO ALA VAL ILE PHE LYS TYR ILE GLU GLY TRP THR ALA SEQRES 16 B 274 LEU GLU SER ILE TYR PHE VAL VAL VAL THR LEU THR THR SEQRES 17 B 274 VAL GLY PHE GLY ASP PHE VAL ALA GLY GLY ASN ALA GLY SEQRES 18 B 274 ILE ASN TYR ARG GLU TRP TYR LYS PRO LEU VAL TRP PHE SEQRES 19 B 274 TRP ILE LEU VAL GLY LEU ALA TYR PHE ALA ALA VAL LEU SEQRES 20 B 274 SER MET ILE GLY ASP TRP LEU ARG VAL LEU SER LYS LYS SEQRES 21 B 274 THR LYS GLU GLU VAL GLY GLU ALA GLU ASN LEU TYR PHE SEQRES 22 B 274 GLN SEQRES 1 C 134 GLN VAL GLN LEU VAL GLU SER GLY GLY GLY LEU VAL GLN SEQRES 2 C 134 ALA GLY ASP SER LEU ARG VAL SER CYS ALA GLY SER GLY SEQRES 3 C 134 PHE THR PHE THR SER TYR GLY MET GLY TRP PHE ARG GLN SEQRES 4 C 134 ALA PRO GLY LYS GLU ARG GLU PHE VAL ALA SER ILE ASN SEQRES 5 C 134 TRP ASN SER ASN THR ALA TYR ALA ASP SER VAL ARG GLY SEQRES 6 C 134 ARG PHE THR ILE SER ARG ASP ASN ALA GLU SER MET MET SEQRES 7 C 134 TYR LEU GLN MET ASN SER LEU LYS PRO GLU ASP THR ALA SEQRES 8 C 134 VAL TYR TYR CYS ALA ALA THR ARG ALA TYR SER LYS PRO SEQRES 9 C 134 ARG VAL ASP SER ARG HIS TYR ASP TYR TRP GLY GLN GLY SEQRES 10 C 134 THR GLN VAL THR VAL SER SER HIS HIS HIS HIS HIS HIS SEQRES 11 C 134 GLU PRO GLU ALA HET K B 600 1 HET K B 601 1 HET K B 602 1 HET K B 603 1 HETNAM K POTASSIUM ION FORMUL 4 K 4(K 1+) HELIX 1 AA1 THR A 76 HIS A 121 1 46 HELIX 2 AA2 SER A 125 GLY A 143 1 19 HELIX 3 AA3 ASP A 158 THR A 171 1 14 HELIX 4 AA4 THR A 182 VAL A 225 1 44 HELIX 5 AA5 VAL A 238 PHE A 252 1 15 HELIX 6 AA6 VAL A 253 GLU A 264 1 12 HELIX 7 AA7 THR A 267 THR A 280 1 14 HELIX 8 AA8 TYR A 301 ILE A 323 1 23 HELIX 9 AA9 THR B 76 HIS B 121 1 46 HELIX 10 AB1 SER B 125 GLY B 143 1 19 HELIX 11 AB2 ASP B 158 THR B 171 1 14 HELIX 12 AB3 THR B 182 PHE B 226 1 45 HELIX 13 AB4 THR B 234 PHE B 252 1 19 HELIX 14 AB5 VAL B 253 GLU B 264 1 12 HELIX 15 AB6 THR B 267 THR B 280 1 14 HELIX 16 AB7 TRP B 300 GLY B 324 1 25 HELIX 17 AB8 THR C 28 TYR C 32 5 5 HELIX 18 AB9 ASN C 73 GLU C 75 5 3 SHEET 1 AA1 4 GLN C 3 SER C 7 0 SHEET 2 AA1 4 ASP C 16 SER C 25 -1 O SER C 21 N SER C 7 SHEET 3 AA1 4 MET C 77 LEU C 85 -1 O LEU C 85 N ASP C 16 SHEET 4 AA1 4 PHE C 67 ASP C 72 -1 N THR C 68 O GLN C 81 SHEET 1 AA2 5 THR C 57 TYR C 59 0 SHEET 2 AA2 5 GLU C 46 ILE C 51 -1 N SER C 50 O ALA C 58 SHEET 3 AA2 5 GLY C 33 GLN C 39 -1 N ARG C 38 O GLU C 46 SHEET 4 AA2 5 ALA C 91 THR C 98 -1 O ALA C 96 N GLY C 35 SHEET 5 AA2 5 TYR C 113 TRP C 114 -1 O TYR C 113 N ALA C 97 SHEET 1 AA3 5 THR C 57 TYR C 59 0 SHEET 2 AA3 5 GLU C 46 ILE C 51 -1 N SER C 50 O ALA C 58 SHEET 3 AA3 5 GLY C 33 GLN C 39 -1 N ARG C 38 O GLU C 46 SHEET 4 AA3 5 ALA C 91 THR C 98 -1 O ALA C 96 N GLY C 35 SHEET 5 AA3 5 THR C 118 VAL C 120 -1 O THR C 118 N TYR C 93 SSBOND 1 CYS A 123 CYS B 123 1555 1555 2.05 SSBOND 2 CYS C 22 CYS C 95 1555 1555 2.04 LINK O THR A 172 K K B 602 1555 1555 2.72 LINK O THR A 172 K K B 603 1555 1555 3.02 LINK OG1 THR A 172 K K B 603 1555 1555 3.05 LINK O ILE A 173 K K B 601 1555 1555 2.72 LINK O ILE A 173 K K B 602 1555 1555 2.90 LINK O GLY A 174 K K B 600 1555 1555 2.81 LINK O GLY A 174 K K B 601 1555 1555 2.32 LINK O TYR A 175 K K B 600 1555 1555 2.70 LINK O THR A 281 K K B 602 1555 1555 2.80 LINK O THR A 281 K K B 603 1555 1555 3.00 LINK OG1 THR A 281 K K B 603 1555 1555 3.02 LINK O VAL A 282 K K B 601 1555 1555 2.88 LINK O VAL A 282 K K B 602 1555 1555 3.00 LINK O GLY A 283 K K B 600 1555 1555 2.87 LINK O GLY A 283 K K B 601 1555 1555 2.49 LINK O PHE A 284 K K B 600 1555 1555 2.83 LINK O THR B 172 K K B 602 1555 1555 2.81 LINK O THR B 172 K K B 603 1555 1555 2.37 LINK OG1 THR B 172 K K B 603 1555 1555 2.67 LINK O ILE B 173 K K B 601 1555 1555 3.02 LINK O ILE B 173 K K B 602 1555 1555 2.48 LINK O GLY B 174 K K B 600 1555 1555 3.02 LINK O GLY B 174 K K B 601 1555 1555 2.31 LINK O TYR B 175 K K B 600 1555 1555 2.55 LINK O THR B 281 K K B 602 1555 1555 2.79 LINK O THR B 281 K K B 603 1555 1555 2.68 LINK OG1 THR B 281 K K B 603 1555 1555 2.91 LINK O VAL B 282 K K B 601 1555 1555 3.02 LINK O VAL B 282 K K B 602 1555 1555 2.74 LINK O GLY B 283 K K B 600 1555 1555 3.09 LINK O GLY B 283 K K B 601 1555 1555 2.39 LINK O PHE B 284 K K B 600 1555 1555 2.71 CRYST1 56.538 111.698 289.208 90.00 90.00 90.00 C 2 2 21 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 0.017687 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008953 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003458 0.00000