HEADER TRANSPORT PROTEIN 21-APR-17 5VKP OBSLTE 06-FEB-19 5VKP 6CQ9 TITLE K2P2.1(TREK-1):ML402 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL SUBFAMILY K MEMBER 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: OUTWARD RECTIFYING POTASSIUM CHANNEL PROTEIN TREK-1,TREK-1 COMPND 5 K(+) CHANNEL SUBUNIT,TWO PORE POTASSIUM CHANNEL TPKC1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: KCNK2; SOURCE 6 EXPRESSION_SYSTEM: KOMAGATAELLA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SMD1163; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PPICZ KEYWDS TREK-1 ION CHANNEL K2P ML402 SMALL MOLECULE BINDING, TRANSPORT KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.LOLICATO,D.L.MINOR REVDAT 3 06-FEB-19 5VKP 1 OBSLTE REVDAT 2 20-SEP-17 5VKP 1 REMARK REVDAT 1 12-JUL-17 5VKP 0 JRNL AUTH M.LOLICATO,D.L.MINOR JRNL TITL TREK-1 APO STRUCTURE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1_2575: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.98 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 25250 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.271 REMARK 3 R VALUE (WORKING SET) : 0.269 REMARK 3 FREE R VALUE : 0.314 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.830 REMARK 3 FREE R VALUE TEST SET COUNT : 1219 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 14.9798 - 5.7262 0.99 2837 134 0.2438 0.2782 REMARK 3 2 5.7262 - 4.5880 0.99 2729 131 0.2558 0.2915 REMARK 3 3 4.5880 - 4.0209 1.00 2744 134 0.2440 0.3020 REMARK 3 4 4.0209 - 3.6591 1.00 2670 169 0.2649 0.3074 REMARK 3 5 3.6591 - 3.4001 1.00 2711 113 0.3024 0.3677 REMARK 3 6 3.4001 - 3.2017 1.00 2672 146 0.3383 0.3879 REMARK 3 7 3.2017 - 3.0428 1.00 2688 134 0.3757 0.4258 REMARK 3 8 3.0428 - 2.9113 0.99 2648 135 0.4111 0.4770 REMARK 3 9 2.9113 - 2.8000 0.88 2332 123 0.4262 0.4791 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.710 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 42.780 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.002 4593 REMARK 3 ANGLE : 0.483 6194 REMARK 3 CHIRALITY : 0.038 712 REMARK 3 PLANARITY : 0.003 744 REMARK 3 DIHEDRAL : 8.348 2622 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5VKP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-APR-17. REMARK 100 THE DEPOSITION ID IS D_1000227580. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUN-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25670 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 12.80 REMARK 200 R MERGE (I) : 0.14200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.1000 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) : 2.99 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20-25% PEG400 200MM KCL 1MM CDCL 100MM REMARK 280 HEPES, PH=8.0, PH 8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 33.54550 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 63.60750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 59.78250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 63.60750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.54550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 59.78250 REMARK 290 SMTRY3 4 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 14330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31980 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -148.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 MET A 20 REMARK 465 SER A 21 REMARK 465 PHE A 22 REMARK 465 SER A 23 REMARK 465 SER A 24 REMARK 465 LYS A 25 REMARK 465 PRO A 26 REMARK 465 THR A 27 REMARK 465 VAL A 28 REMARK 465 LEU A 29 REMARK 465 ALA A 30 REMARK 465 SER A 31 REMARK 465 ARG A 32 REMARK 465 VAL A 33 REMARK 465 GLU A 34 REMARK 465 ILE A 114 REMARK 465 ILE A 115 REMARK 465 PRO A 116 REMARK 465 LEU A 117 REMARK 465 GLY A 118 REMARK 465 ALA A 119 REMARK 465 SER A 120 REMARK 465 SER A 121 REMARK 465 ASN A 122 REMARK 465 GLN A 123 REMARK 465 VAL A 124 REMARK 465 THR A 322 REMARK 465 SER A 323 REMARK 465 ASN A 324 REMARK 465 SER A 325 REMARK 465 LEU A 326 REMARK 465 GLU A 327 REMARK 465 VAL A 328 REMARK 465 LEU A 329 REMARK 465 PHE A 330 REMARK 465 GLN A 331 REMARK 465 MET B 20 REMARK 465 SER B 21 REMARK 465 PHE B 22 REMARK 465 SER B 23 REMARK 465 SER B 24 REMARK 465 LYS B 25 REMARK 465 PRO B 26 REMARK 465 THR B 27 REMARK 465 VAL B 28 REMARK 465 LEU B 29 REMARK 465 ALA B 30 REMARK 465 SER B 31 REMARK 465 ARG B 32 REMARK 465 VAL B 33 REMARK 465 GLU B 34 REMARK 465 TRP B 317 REMARK 465 THR B 318 REMARK 465 ALA B 319 REMARK 465 ASN B 320 REMARK 465 VAL B 321 REMARK 465 THR B 322 REMARK 465 SER B 323 REMARK 465 ASN B 324 REMARK 465 SER B 325 REMARK 465 LEU B 326 REMARK 465 GLU B 327 REMARK 465 VAL B 328 REMARK 465 LEU B 329 REMARK 465 PHE B 330 REMARK 465 GLN B 331 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 GLN A 72 CG CD OE1 NE2 REMARK 470 GLN B 76 CG CD OE1 NE2 REMARK 470 ILE B 157 CG1 CG2 CD1 REMARK 470 LEU B 165 CG CD1 CD2 REMARK 470 ILE B 184 CG1 CG2 CD1 REMARK 470 VAL B 192 CG1 CG2 REMARK 470 THR B 195 OG1 CG2 REMARK 470 THR B 211 OG1 CG2 REMARK 470 VAL B 246 CG1 CG2 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 SER A 262 OH TYR A 266 1.88 REMARK 500 OG SER A 95 OE1 GLU A 98 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 CA SER A 37 OD2 ASP A 268 1455 1.93 REMARK 500 OG SER A 37 CG ASP A 268 1455 2.13 REMARK 500 OG SER A 37 OD1 ASP A 268 1455 2.17 REMARK 500 OG SER A 37 OD2 ASP A 268 1455 2.17 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 ASP A 128 -179.15 -69.68 REMARK 500 THR A 142 18.74 58.75 REMARK 500 TRP A 199 -164.63 -70.52 REMARK 500 VAL A 223 -56.38 -124.15 REMARK 500 GLU A 265 72.63 63.79 REMARK 500 ILE B 115 66.89 -119.53 REMARK 500 THR B 195 -60.85 -93.77 REMARK 500 ASN B 200 62.63 60.52 REMARK 500 VAL B 223 -60.83 -123.41 REMARK 500 ILE B 264 -81.44 -50.06 REMARK 500 GLU B 265 -50.34 -134.58 REMARK 500 TYR B 266 75.97 60.95 REMARK 500 LEU B 267 -25.34 -37.23 REMARK 500 ASP B 268 -5.42 81.47 REMARK 500 THR B 303 -61.44 -94.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TRP A 199 ASN A 200 -146.28 REMARK 500 SER B 95 ASP B 96 -148.70 REMARK 500 ASP B 263 ILE B 264 -131.84 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 R16 REPRESENTS FRAGMENTS OF MOLECULES, WHICH ARE LIKELY TO BE PARTS REMARK 600 OF BOUND LIPIDS. DUE TO THE LOW RESOLUTION OF THE STRUCTURE AND REMARK 600 THEIR PARTIAL DISORDER, THE EXACT IDENTITY OF THESE MOLECULES REMARK 600 REMAIN UNKNOWN. 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 R16 A 405 REMARK 610 R16 A 407 REMARK 610 R16 A 408 REMARK 610 R16 B 403 REMARK 610 R16 B 404 REMARK 610 R16 B 405 REMARK 610 R16 B 406 REMARK 610 R16 B 407 REMARK 610 R16 B 408 REMARK 610 R16 B 409 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 A 409 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 ILE A 143 O 76.8 REMARK 620 3 THR A 251 O 68.5 90.3 REMARK 620 4 ILE A 252 O 132.0 76.4 72.6 REMARK 620 5 THR B 142 O 98.7 158.4 68.6 92.1 REMARK 620 6 ILE B 143 O 154.2 115.1 131.0 73.9 78.1 REMARK 620 7 THR B 251 O 60.7 126.4 101.7 157.0 65.5 95.6 REMARK 620 8 ILE B 252 O 87.5 69.0 151.7 118.2 132.4 76.7 77.6 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 410 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 THR A 142 OG1 60.2 REMARK 620 3 THR A 251 O 61.3 105.9 REMARK 620 4 THR A 251 OG1 101.9 85.7 66.3 REMARK 620 5 THR B 142 O 97.8 156.8 64.9 107.7 REMARK 620 6 THR B 142 OG1 158.4 141.1 101.3 80.3 61.6 REMARK 620 7 THR B 251 O 58.5 93.5 91.8 156.7 66.7 113.2 REMARK 620 8 THR B 251 OG1 101.5 77.3 154.5 138.8 102.1 89.9 62.7 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 402 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 143 O REMARK 620 2 GLY A 144 O 70.4 REMARK 620 3 ILE A 252 O 78.7 140.9 REMARK 620 4 GLY A 253 O 89.7 79.4 77.0 REMARK 620 5 ILE B 143 O 120.0 142.4 74.4 132.6 REMARK 620 6 GLY B 144 O 158.7 117.2 84.9 73.2 67.4 REMARK 620 7 ILE B 252 O 68.1 78.1 112.3 152.6 74.3 131.7 REMARK 620 8 GLY B 253 O 130.1 69.7 148.5 110.9 78.9 69.5 75.3 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 144 O REMARK 620 2 PHE A 145 O 74.7 REMARK 620 3 GLY A 253 O 73.3 92.5 REMARK 620 4 PHE A 254 O 130.0 74.0 70.2 REMARK 620 5 GLY B 144 O 102.1 162.5 70.3 96.4 REMARK 620 6 PHE B 145 O 146.5 120.0 130.6 83.4 72.3 REMARK 620 7 GLY B 253 O 62.6 125.4 105.1 160.5 64.6 86.2 REMARK 620 8 PHE B 254 O 91.8 82.1 165.0 121.0 115.4 63.5 67.7 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 K A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue Q5F A 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue R16 A 405 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 16C A 406 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K A 409 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K A 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CD B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue Q5F B 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue R16 B 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue R16 B 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue R16 B 408 REMARK 800 REMARK 800 SITE_IDENTIFIER: AD4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue R16 B 409 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5VK5 RELATED DB: PDB REMARK 900 5VK5 IS THE APO FORM OF THE CHANNEL, WITH NO LIGAND BOUNG REMARK 900 RELATED ID: 5VKN RELATED DB: PDB REMARK 900 5VKN IS THE CHANNEL WITH THE MOLECULE ML335 BOUND DBREF 5VKP A 21 322 UNP P97438 KCNK2_MOUSE 21 322 DBREF 5VKP B 21 322 UNP P97438 KCNK2_MOUSE 21 322 SEQADV 5VKP MET A 20 UNP P97438 INITIATING METHIONINE SEQADV 5VKP ARG A 84 UNP P97438 LYS 84 ENGINEERED MUTATION SEQADV 5VKP GLU A 85 UNP P97438 GLN 85 ENGINEERED MUTATION SEQADV 5VKP LYS A 86 UNP P97438 THR 86 ENGINEERED MUTATION SEQADV 5VKP LEU A 88 UNP P97438 ILE 88 ENGINEERED MUTATION SEQADV 5VKP ARG A 89 UNP P97438 ALA 89 ENGINEERED MUTATION SEQADV 5VKP ALA A 90 UNP P97438 GLN 90 ENGINEERED MUTATION SEQADV 5VKP PRO A 92 UNP P97438 ALA 92 ENGINEERED MUTATION SEQADV 5VKP SER A 95 UNP P97438 ASN 95 ENGINEERED MUTATION SEQADV 5VKP ASP A 96 UNP P97438 SER 96 ENGINEERED MUTATION SEQADV 5VKP GLN A 97 UNP P97438 THR 97 ENGINEERED MUTATION SEQADV 5VKP ALA A 119 UNP P97438 ASN 119 ENGINEERED MUTATION SEQADV 5VKP ALA A 300 UNP P97438 SER 300 ENGINEERED MUTATION SEQADV 5VKP ALA A 306 UNP P97438 GLU 306 ENGINEERED MUTATION SEQADV 5VKP SER A 323 UNP P97438 EXPRESSION TAG SEQADV 5VKP ASN A 324 UNP P97438 EXPRESSION TAG SEQADV 5VKP SER A 325 UNP P97438 EXPRESSION TAG SEQADV 5VKP LEU A 326 UNP P97438 EXPRESSION TAG SEQADV 5VKP GLU A 327 UNP P97438 EXPRESSION TAG SEQADV 5VKP VAL A 328 UNP P97438 EXPRESSION TAG SEQADV 5VKP LEU A 329 UNP P97438 EXPRESSION TAG SEQADV 5VKP PHE A 330 UNP P97438 EXPRESSION TAG SEQADV 5VKP GLN A 331 UNP P97438 EXPRESSION TAG SEQADV 5VKP MET B 20 UNP P97438 INITIATING METHIONINE SEQADV 5VKP ARG B 84 UNP P97438 LYS 84 ENGINEERED MUTATION SEQADV 5VKP GLU B 85 UNP P97438 GLN 85 ENGINEERED MUTATION SEQADV 5VKP LYS B 86 UNP P97438 THR 86 ENGINEERED MUTATION SEQADV 5VKP LEU B 88 UNP P97438 ILE 88 ENGINEERED MUTATION SEQADV 5VKP ARG B 89 UNP P97438 ALA 89 ENGINEERED MUTATION SEQADV 5VKP ALA B 90 UNP P97438 GLN 90 ENGINEERED MUTATION SEQADV 5VKP PRO B 92 UNP P97438 ALA 92 ENGINEERED MUTATION SEQADV 5VKP SER B 95 UNP P97438 ASN 95 ENGINEERED MUTATION SEQADV 5VKP ASP B 96 UNP P97438 SER 96 ENGINEERED MUTATION SEQADV 5VKP GLN B 97 UNP P97438 THR 97 ENGINEERED MUTATION SEQADV 5VKP ALA B 119 UNP P97438 ASN 119 ENGINEERED MUTATION SEQADV 5VKP ALA B 300 UNP P97438 SER 300 ENGINEERED MUTATION SEQADV 5VKP ALA B 306 UNP P97438 GLU 306 ENGINEERED MUTATION SEQADV 5VKP SER B 323 UNP P97438 EXPRESSION TAG SEQADV 5VKP ASN B 324 UNP P97438 EXPRESSION TAG SEQADV 5VKP SER B 325 UNP P97438 EXPRESSION TAG SEQADV 5VKP LEU B 326 UNP P97438 EXPRESSION TAG SEQADV 5VKP GLU B 327 UNP P97438 EXPRESSION TAG SEQADV 5VKP VAL B 328 UNP P97438 EXPRESSION TAG SEQADV 5VKP LEU B 329 UNP P97438 EXPRESSION TAG SEQADV 5VKP PHE B 330 UNP P97438 EXPRESSION TAG SEQADV 5VKP GLN B 331 UNP P97438 EXPRESSION TAG SEQRES 1 A 312 MET SER PHE SER SER LYS PRO THR VAL LEU ALA SER ARG SEQRES 2 A 312 VAL GLU SER ASP SER ALA ILE ASN VAL MET LYS TRP LYS SEQRES 3 A 312 THR VAL SER THR ILE PHE LEU VAL VAL VAL LEU TYR LEU SEQRES 4 A 312 ILE ILE GLY ALA THR VAL PHE LYS ALA LEU GLU GLN PRO SEQRES 5 A 312 GLN GLU ILE SER GLN ARG THR THR ILE VAL ILE GLN ARG SEQRES 6 A 312 GLU LYS PHE LEU ARG ALA HIS PRO CYS VAL SER ASP GLN SEQRES 7 A 312 GLU LEU ASP GLU LEU ILE GLN GLN ILE VAL ALA ALA ILE SEQRES 8 A 312 ASN ALA GLY ILE ILE PRO LEU GLY ALA SER SER ASN GLN SEQRES 9 A 312 VAL SER HIS TRP ASP LEU GLY SER SER PHE PHE PHE ALA SEQRES 10 A 312 GLY THR VAL ILE THR THR ILE GLY PHE GLY ASN ILE SER SEQRES 11 A 312 PRO ARG THR GLU GLY GLY LYS ILE PHE CYS ILE ILE TYR SEQRES 12 A 312 ALA LEU LEU GLY ILE PRO LEU PHE GLY PHE LEU LEU ALA SEQRES 13 A 312 GLY VAL GLY ASP GLN LEU GLY THR ILE PHE GLY LYS GLY SEQRES 14 A 312 ILE ALA LYS VAL GLU ASP THR PHE ILE LYS TRP ASN VAL SEQRES 15 A 312 SER GLN THR LYS ILE ARG ILE ILE SER THR ILE ILE PHE SEQRES 16 A 312 ILE LEU PHE GLY CYS VAL LEU PHE VAL ALA LEU PRO ALA SEQRES 17 A 312 VAL ILE PHE LYS HIS ILE GLU GLY TRP SER ALA LEU ASP SEQRES 18 A 312 ALA ILE TYR PHE VAL VAL ILE THR LEU THR THR ILE GLY SEQRES 19 A 312 PHE GLY ASP TYR VAL ALA GLY GLY SER ASP ILE GLU TYR SEQRES 20 A 312 LEU ASP PHE TYR LYS PRO VAL VAL TRP PHE TRP ILE LEU SEQRES 21 A 312 VAL GLY LEU ALA TYR PHE ALA ALA VAL LEU SER MET ILE SEQRES 22 A 312 GLY ASP TRP LEU ARG VAL ILE ALA LYS LYS THR LYS GLU SEQRES 23 A 312 ALA VAL GLY GLU PHE ARG ALA HIS ALA ALA GLU TRP THR SEQRES 24 A 312 ALA ASN VAL THR SER ASN SER LEU GLU VAL LEU PHE GLN SEQRES 1 B 312 MET SER PHE SER SER LYS PRO THR VAL LEU ALA SER ARG SEQRES 2 B 312 VAL GLU SER ASP SER ALA ILE ASN VAL MET LYS TRP LYS SEQRES 3 B 312 THR VAL SER THR ILE PHE LEU VAL VAL VAL LEU TYR LEU SEQRES 4 B 312 ILE ILE GLY ALA THR VAL PHE LYS ALA LEU GLU GLN PRO SEQRES 5 B 312 GLN GLU ILE SER GLN ARG THR THR ILE VAL ILE GLN ARG SEQRES 6 B 312 GLU LYS PHE LEU ARG ALA HIS PRO CYS VAL SER ASP GLN SEQRES 7 B 312 GLU LEU ASP GLU LEU ILE GLN GLN ILE VAL ALA ALA ILE SEQRES 8 B 312 ASN ALA GLY ILE ILE PRO LEU GLY ALA SER SER ASN GLN SEQRES 9 B 312 VAL SER HIS TRP ASP LEU GLY SER SER PHE PHE PHE ALA SEQRES 10 B 312 GLY THR VAL ILE THR THR ILE GLY PHE GLY ASN ILE SER SEQRES 11 B 312 PRO ARG THR GLU GLY GLY LYS ILE PHE CYS ILE ILE TYR SEQRES 12 B 312 ALA LEU LEU GLY ILE PRO LEU PHE GLY PHE LEU LEU ALA SEQRES 13 B 312 GLY VAL GLY ASP GLN LEU GLY THR ILE PHE GLY LYS GLY SEQRES 14 B 312 ILE ALA LYS VAL GLU ASP THR PHE ILE LYS TRP ASN VAL SEQRES 15 B 312 SER GLN THR LYS ILE ARG ILE ILE SER THR ILE ILE PHE SEQRES 16 B 312 ILE LEU PHE GLY CYS VAL LEU PHE VAL ALA LEU PRO ALA SEQRES 17 B 312 VAL ILE PHE LYS HIS ILE GLU GLY TRP SER ALA LEU ASP SEQRES 18 B 312 ALA ILE TYR PHE VAL VAL ILE THR LEU THR THR ILE GLY SEQRES 19 B 312 PHE GLY ASP TYR VAL ALA GLY GLY SER ASP ILE GLU TYR SEQRES 20 B 312 LEU ASP PHE TYR LYS PRO VAL VAL TRP PHE TRP ILE LEU SEQRES 21 B 312 VAL GLY LEU ALA TYR PHE ALA ALA VAL LEU SER MET ILE SEQRES 22 B 312 GLY ASP TRP LEU ARG VAL ILE ALA LYS LYS THR LYS GLU SEQRES 23 B 312 ALA VAL GLY GLU PHE ARG ALA HIS ALA ALA GLU TRP THR SEQRES 24 B 312 ALA ASN VAL THR SER ASN SER LEU GLU VAL LEU PHE GLN HET K A 401 1 HET K A 402 1 HET K A 403 1 HET Q5F A 404 19 HET R16 A 405 12 HET 16C A 406 38 HET R16 A 407 11 HET R16 A 408 24 HET K A 409 1 HET K A 410 1 HET CD B 401 1 HET Q5F B 402 19 HET R16 B 403 12 HET R16 B 404 12 HET R16 B 405 5 HET R16 B 406 15 HET R16 B 407 15 HET R16 B 408 11 HET R16 B 409 30 HETNAM K POTASSIUM ION HETNAM Q5F N-[2-(4-CHLORO-2-METHYLPHENOXY)ETHYL]THIOPHENE-2- HETNAM 2 Q5F CARBOXAMIDE HETNAM R16 HEXADECANE HETNAM 16C N-((E,2S,3R)-1,3-DIHYDROXYOCTADEC-4-EN-2-YL)PALMITAMIDE HETNAM CD CADMIUM ION HETSYN 16C C16-CERAMIDE, N-PALMITOYL-D-ERYTHRO-SPHINGOSINE, (2S, HETSYN 2 16C 3R,4E)-2-PALMITOYLAMINOOCTADEC-4-ENE-1,3-DIOL, (2S,3R, HETSYN 3 16C 4E)-2-PALMITOYLAMINO-1,3-OCTADEC-4-ENEDIOL FORMUL 3 K 5(K 1+) FORMUL 6 Q5F 2(C14 H14 CL N O2 S) FORMUL 7 R16 10(C16 H34) FORMUL 8 16C C34 H67 N O3 FORMUL 13 CD CD 2+ HELIX 1 AA1 SER A 35 HIS A 91 1 57 HELIX 2 AA2 SER A 95 GLY A 113 1 19 HELIX 3 AA3 ASP A 128 THR A 141 1 14 HELIX 4 AA4 THR A 152 GLU A 193 1 42 HELIX 5 AA5 LYS A 205 VAL A 223 1 19 HELIX 6 AA6 VAL A 223 GLY A 235 1 13 HELIX 7 AA7 SER A 237 THR A 250 1 14 HELIX 8 AA8 PHE A 269 VAL A 307 1 39 HELIX 9 AA9 GLY A 308 VAL A 321 1 14 HELIX 10 AB1 ASP B 36 ARG B 89 1 54 HELIX 11 AB2 SER B 95 ASN B 111 1 17 HELIX 12 AB3 ASP B 128 THR B 141 1 14 HELIX 13 AB4 THR B 152 GLU B 193 1 42 HELIX 14 AB5 SER B 202 VAL B 223 1 22 HELIX 15 AB6 VAL B 223 GLY B 235 1 13 HELIX 16 AB7 SER B 237 THR B 250 1 14 HELIX 17 AB8 TYR B 270 LYS B 304 1 35 HELIX 18 AB9 GLY B 308 ALA B 314 1 7 SSBOND 1 CYS A 93 CYS B 93 1555 1555 2.03 LINK O THR A 142 K K A 409 1555 1555 2.78 LINK O THR A 142 K K A 410 1555 1555 2.93 LINK OG1 THR A 142 K K A 410 1555 1555 3.34 LINK O ILE A 143 K K A 409 1555 1555 2.81 LINK O ILE A 143 K K A 402 1555 1555 2.68 LINK O GLY A 144 K K A 402 1555 1555 2.65 LINK O GLY A 144 K K A 403 1555 1555 2.99 LINK O PHE A 145 K K A 403 1555 1555 2.71 LINK O THR A 251 K K A 409 1555 1555 2.59 LINK O THR A 251 K K A 410 1555 1555 2.99 LINK OG1 THR A 251 K K A 410 1555 1555 2.89 LINK O ILE A 252 K K A 409 1555 1555 2.71 LINK O ILE A 252 K K A 402 1555 1555 2.70 LINK O GLY A 253 K K A 402 1555 1555 2.70 LINK O GLY A 253 K K A 403 1555 1555 2.72 LINK O PHE A 254 K K A 403 1555 1555 3.09 LINK O THR B 142 K K A 409 1555 1555 2.87 LINK O THR B 142 K K A 410 1555 1555 2.75 LINK OG1 THR B 142 K K A 410 1555 1555 3.06 LINK O ILE B 143 K K A 409 1555 1555 2.91 LINK O ILE B 143 K K A 402 1555 1555 2.88 LINK O GLY B 144 K K A 402 1555 1555 2.69 LINK O GLY B 144 K K A 403 1555 1555 2.86 LINK O PHE B 145 K K A 403 1555 1555 3.16 LINK O THR B 251 K K A 409 1555 1555 2.78 LINK O THR B 251 K K A 410 1555 1555 2.81 LINK OG1 THR B 251 K K A 410 1555 1555 3.18 LINK O ILE B 252 K K A 409 1555 1555 2.63 LINK O ILE B 252 K K A 402 1555 1555 2.82 LINK O GLY B 253 K K A 402 1555 1555 2.65 LINK O GLY B 253 K K A 403 1555 1555 2.83 LINK O PHE B 254 K K A 403 1555 1555 2.81 LINK CB SER A 37 CG ASP A 268 1555 1455 1.53 LINK CB SER A 37 OD2 ASP A 268 1555 1455 1.12 SITE 1 AC1 10 ILE A 143 GLY A 144 ILE A 252 GLY A 253 SITE 2 AC1 10 K A 403 K A 409 ILE B 143 GLY B 144 SITE 3 AC1 10 ILE B 252 GLY B 253 SITE 1 AC2 9 GLY A 144 PHE A 145 GLY A 253 PHE A 254 SITE 2 AC2 9 K A 402 GLY B 144 PHE B 145 GLY B 253 SITE 3 AC2 9 PHE B 254 SITE 1 AC3 10 SER A 131 PHE A 134 GLY A 137 THR A 138 SITE 2 AC3 10 ALA A 259 GLY A 260 LYS A 271 VAL A 274 SITE 3 AC3 10 TRP A 275 ILE A 278 SITE 1 AC4 2 LEU A 239 ILE A 242 SITE 1 AC5 4 LEU A 56 TYR A 57 ILE A 60 THR A 303 SITE 1 AC6 9 THR A 142 ILE A 143 THR A 251 ILE A 252 SITE 2 AC6 9 K A 402 THR B 142 ILE B 143 THR B 251 SITE 3 AC6 9 ILE B 252 SITE 1 AC7 4 THR A 142 THR A 251 THR B 142 THR B 251 SITE 1 AC8 4 PHE A 310 HIS A 313 PHE B 310 HIS B 313 SITE 1 AC9 11 SER B 131 PHE B 134 GLY B 137 THR B 138 SITE 2 AC9 11 THR B 141 PHE B 145 GLY B 260 LYS B 271 SITE 3 AC9 11 VAL B 274 TRP B 275 ILE B 278 SITE 1 AD1 1 LYS B 304 SITE 1 AD2 1 LYS B 304 SITE 1 AD3 2 LEU A 164 CYS B 219 SITE 1 AD4 1 ASP B 268 CRYST1 67.091 119.565 127.215 90.00 90.00 90.00 P 21 21 21 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 0.014905 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008364 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007861 0.00000