HEADER TRANSPORT PROTEIN 14-MAR-18 6CQ6 TITLE K2P2.1(TREK-1) APO STRUCTURE 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 KEYWDS TREK-1 ION CHANNEL K2P, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.LOLICATO,D.L.MINOR REVDAT 5 04-OCT-23 6CQ6 1 LINK REVDAT 4 27-NOV-19 6CQ6 1 REMARK REVDAT 3 06-NOV-19 6CQ6 1 REMARK REVDAT 2 20-FEB-19 6CQ6 1 REMARK REVDAT 1 28-MAR-18 6CQ6 0 SPRSDE 28-MAR-18 6CQ6 5VK5 JRNL AUTH M.LOLICATO,C.ARRIGONI,T.MORI,Y.SEKIOKA,C.BRYANT,K.A.CLARK, JRNL AUTH 2 D.L.MINOR JRNL TITL K2P2.1 (TREK-1)-ACTIVATOR COMPLEXES REVEAL A CRYPTIC JRNL TITL 2 SELECTIVITY FILTER BINDING SITE. JRNL REF NATURE V. 547 364 2017 JRNL REFN ESSN 1476-4687 JRNL PMID 28693035 JRNL DOI 10.1038/NATURE22988 REMARK 2 REMARK 2 RESOLUTION. 3.10 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) : 3.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.97 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 18506 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.262 REMARK 3 R VALUE (WORKING SET) : 0.260 REMARK 3 FREE R VALUE : 0.302 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.890 REMARK 3 FREE R VALUE TEST SET COUNT : 905 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 14.9650 - 5.5520 1.00 3143 133 0.2409 0.2669 REMARK 3 2 5.5520 - 4.4448 1.00 3019 142 0.2583 0.3064 REMARK 3 3 4.4448 - 3.8943 1.00 2984 158 0.2445 0.3154 REMARK 3 4 3.8943 - 3.5434 1.00 2939 175 0.2865 0.2969 REMARK 3 5 3.5434 - 3.2923 1.00 2942 170 0.3538 0.3967 REMARK 3 6 3.2923 - 3.1000 0.87 2574 127 0.3952 0.4423 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) : 0.630 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.750 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 : 0.003 4453 REMARK 3 ANGLE : 0.539 6029 REMARK 3 CHIRALITY : 0.038 707 REMARK 3 PLANARITY : 0.004 726 REMARK 3 DIHEDRAL : 6.098 2539 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 6CQ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAR-18. REMARK 100 THE DEPOSITION ID IS D_1000233208. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-MAY-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 : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.115869 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 : 18913 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.100 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 (%) : 97.0 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 0.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.21 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.10400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.300 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: 4RUE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 68.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.89 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22-25% PEG400, 100MM HEPES PH=8.0, 1MM REMARK 280 CDCL2, 200MM KCL, PH 8, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 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 33.35900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 63.22000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 60.20850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 63.22000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.35900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 60.20850 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: 12530 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 31510 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -66.0 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 SER A 35 REMARK 465 ASP A 36 REMARK 465 SER A 37 REMARK 465 ALA A 38 REMARK 465 ILE A 39 REMARK 465 ASN A 40 REMARK 465 VAL A 41 REMARK 465 MET A 42 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 B 76 CG CD OE1 NE2 REMARK 470 GLU B 316 CG CD OE1 OE2 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 GLY A 260 OH TYR A 266 2.07 REMARK 500 OG SER A 95 OE1 GLU A 98 2.11 REMARK 500 NE2 HIS A 91 OG SER B 95 2.13 REMARK 500 OE2 GLU A 234 OG SER A 262 2.15 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 ARG B 311 NE - CZ - NH2 ANGL. DEV. = -3.4 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 THR A 46 -4.95 69.43 REMARK 500 THR A 142 -0.50 78.94 REMARK 500 TRP A 199 -162.52 -79.89 REMARK 500 VAL A 223 -59.03 -122.76 REMARK 500 TYR A 266 168.52 175.70 REMARK 500 SER B 95 38.85 -84.24 REMARK 500 ASP B 128 -178.74 -68.66 REMARK 500 VAL B 223 -62.21 -121.89 REMARK 500 SER B 262 -167.14 -79.62 REMARK 500 ILE B 264 -72.84 -53.60 REMARK 500 GLU B 265 -41.49 -137.17 REMARK 500 TYR B 266 70.95 50.14 REMARK 500 ASP B 268 -4.70 80.55 REMARK 500 ALA B 314 59.70 34.57 REMARK 500 ALA B 315 43.66 72.69 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 ASP A 263 ILE A 264 149.91 REMARK 500 ASP B 263 ILE B 264 -148.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 D10 A 407 REMARK 610 D10 A 408 REMARK 610 D10 B 404 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 405 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 ILE A 143 O 73.3 REMARK 620 3 THR A 251 O 81.3 92.8 REMARK 620 4 ILE A 252 O 132.8 66.6 77.0 REMARK 620 5 THR B 142 O 124.0 144.9 64.0 82.1 REMARK 620 6 ILE B 143 O 150.1 108.5 127.6 69.5 72.3 REMARK 620 7 THR B 251 O 57.2 126.2 98.6 167.0 85.0 105.1 REMARK 620 8 ILE B 252 O 84.5 72.7 162.2 105.5 133.6 68.4 82.4 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 401 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 THR A 142 OG1 60.5 REMARK 620 3 THR A 251 O 64.8 103.8 REMARK 620 4 THR A 251 OG1 117.3 90.9 71.5 REMARK 620 5 THR B 142 O 86.4 146.7 54.2 102.5 REMARK 620 6 THR B 142 OG1 146.1 148.7 104.8 86.2 63.6 REMARK 620 7 THR B 251 O 45.8 86.3 90.8 161.0 71.1 105.8 REMARK 620 8 THR B 251 OG1 103.6 117.6 123.5 138.3 70.7 53.4 57.8 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 404 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 143 O REMARK 620 2 GLY A 144 O 69.3 REMARK 620 3 ILE A 252 O 68.0 126.4 REMARK 620 4 GLY A 253 O 85.5 75.6 70.2 REMARK 620 5 ILE B 143 O 110.4 154.6 72.6 129.7 REMARK 620 6 GLY B 144 O 152.4 121.8 87.1 74.5 70.9 REMARK 620 7 ILE B 252 O 74.4 84.5 112.9 155.7 71.5 128.8 REMARK 620 8 GLY B 253 O 133.8 80.1 153.3 119.8 83.6 73.6 68.9 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 77.5 REMARK 620 3 GLY A 253 O 70.3 89.4 REMARK 620 4 PHE A 254 O 131.4 72.1 72.3 REMARK 620 5 GLY B 144 O 103.1 153.5 66.6 89.2 REMARK 620 6 PHE B 145 O 152.3 121.7 124.9 76.0 69.1 REMARK 620 7 GLY B 253 O 71.3 138.0 105.3 149.7 63.5 81.8 REMARK 620 8 PHE B 254 O 99.3 84.2 168.8 114.1 121.3 66.3 74.0 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CD B 402 CD REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 309 OE1 REMARK 620 2 HIS A 313 NE2 80.7 REMARK 620 3 GLU B 309 OE1 51.1 128.9 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CD A 401 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 K A 404 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K A 405 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue D10 A 410 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue K B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CD B 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CD B 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue D10 B 405 DBREF 6CQ6 A 20 324 UNP P97438 KCNK2_MOUSE 35 339 DBREF 6CQ6 B 20 324 UNP P97438 KCNK2_MOUSE 35 339 SEQADV 6CQ6 MET A 20 UNP P97438 LEU 35 INITIATING METHIONINE SEQADV 6CQ6 ARG A 84 UNP P97438 LYS 99 ENGINEERED MUTATION SEQADV 6CQ6 GLU A 85 UNP P97438 GLN 100 ENGINEERED MUTATION SEQADV 6CQ6 LYS A 86 UNP P97438 THR 101 ENGINEERED MUTATION SEQADV 6CQ6 LEU A 88 UNP P97438 ILE 103 ENGINEERED MUTATION SEQADV 6CQ6 ARG A 89 UNP P97438 ALA 104 ENGINEERED MUTATION SEQADV 6CQ6 ALA A 90 UNP P97438 GLN 105 ENGINEERED MUTATION SEQADV 6CQ6 PRO A 92 UNP P97438 ALA 107 ENGINEERED MUTATION SEQADV 6CQ6 SER A 95 UNP P97438 ASN 110 ENGINEERED MUTATION SEQADV 6CQ6 ASP A 96 UNP P97438 SER 111 ENGINEERED MUTATION SEQADV 6CQ6 GLN A 97 UNP P97438 THR 112 ENGINEERED MUTATION SEQADV 6CQ6 ALA A 119 UNP P97438 ASN 134 ENGINEERED MUTATION SEQADV 6CQ6 ALA A 300 UNP P97438 SER 315 ENGINEERED MUTATION SEQADV 6CQ6 ALA A 306 UNP P97438 GLU 321 ENGINEERED MUTATION SEQADV 6CQ6 SER A 323 UNP P97438 ALA 338 ENGINEERED MUTATION SEQADV 6CQ6 ASN A 324 UNP P97438 GLU 339 ENGINEERED MUTATION SEQADV 6CQ6 SER A 325 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 LEU A 326 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 GLU A 327 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 VAL A 328 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 LEU A 329 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 PHE A 330 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 GLN A 331 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 MET B 20 UNP P97438 LEU 35 INITIATING METHIONINE SEQADV 6CQ6 ARG B 84 UNP P97438 LYS 99 ENGINEERED MUTATION SEQADV 6CQ6 GLU B 85 UNP P97438 GLN 100 ENGINEERED MUTATION SEQADV 6CQ6 LYS B 86 UNP P97438 THR 101 ENGINEERED MUTATION SEQADV 6CQ6 LEU B 88 UNP P97438 ILE 103 ENGINEERED MUTATION SEQADV 6CQ6 ARG B 89 UNP P97438 ALA 104 ENGINEERED MUTATION SEQADV 6CQ6 ALA B 90 UNP P97438 GLN 105 ENGINEERED MUTATION SEQADV 6CQ6 PRO B 92 UNP P97438 ALA 107 ENGINEERED MUTATION SEQADV 6CQ6 SER B 95 UNP P97438 ASN 110 ENGINEERED MUTATION SEQADV 6CQ6 ASP B 96 UNP P97438 SER 111 ENGINEERED MUTATION SEQADV 6CQ6 GLN B 97 UNP P97438 THR 112 ENGINEERED MUTATION SEQADV 6CQ6 ALA B 119 UNP P97438 ASN 134 ENGINEERED MUTATION SEQADV 6CQ6 ALA B 300 UNP P97438 SER 315 ENGINEERED MUTATION SEQADV 6CQ6 ALA B 306 UNP P97438 GLU 321 ENGINEERED MUTATION SEQADV 6CQ6 SER B 323 UNP P97438 ALA 338 ENGINEERED MUTATION SEQADV 6CQ6 ASN B 324 UNP P97438 GLU 339 ENGINEERED MUTATION SEQADV 6CQ6 SER B 325 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 LEU B 326 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 GLU B 327 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 VAL B 328 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 LEU B 329 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 PHE B 330 UNP P97438 EXPRESSION TAG SEQADV 6CQ6 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 CD A 401 1 HET K A 402 1 HET K A 403 1 HET K A 404 1 HET K A 405 1 HET K A 406 1 HET D10 A 407 14 HET D10 A 408 14 HET D10 A 409 30 HET D10 A 410 30 HET D10 A 411 30 HET K B 401 1 HET CD B 402 1 HET CD B 403 1 HET D10 B 404 14 HET D10 B 405 30 HET D10 B 406 30 HETNAM CD CADMIUM ION HETNAM K POTASSIUM ION HETNAM D10 DECANE FORMUL 3 CD 3(CD 2+) FORMUL 4 K 6(K 1+) FORMUL 9 D10 8(C10 H22) HELIX 1 AA1 THR A 46 HIS A 91 1 46 HELIX 2 AA2 SER A 95 ILE A 110 1 16 HELIX 3 AA3 GLY A 130 THR A 142 1 13 HELIX 4 AA4 THR A 152 PHE A 196 1 45 HELIX 5 AA5 SER A 202 PHE A 222 1 21 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 ALA A 319 1 51 HELIX 9 AA9 ASP B 36 ARG B 89 1 54 HELIX 10 AB1 SER B 95 ASN B 111 1 17 HELIX 11 AB2 ASP B 128 THR B 141 1 14 HELIX 12 AB3 THR B 152 PHE B 196 1 45 HELIX 13 AB4 SER B 202 PHE B 222 1 21 HELIX 14 AB5 VAL B 223 GLU B 234 1 12 HELIX 15 AB6 SER B 237 THR B 250 1 14 HELIX 16 AB7 TYR B 270 HIS B 313 1 44 SSBOND 1 CYS A 93 CYS B 93 1555 1555 2.03 LINK O THR A 142 K K A 405 1555 1555 2.61 LINK O THR A 142 K K B 401 1555 1555 3.49 LINK OG1 THR A 142 K K B 401 1555 1555 3.14 LINK O ILE A 143 K K A 404 1555 1555 2.74 LINK O ILE A 143 K K A 405 1555 1555 2.72 LINK O GLY A 144 K K A 403 1555 1555 2.83 LINK O GLY A 144 K K A 404 1555 1555 2.62 LINK O PHE A 145 K K A 403 1555 1555 2.70 LINK O THR A 251 K K A 405 1555 1555 2.59 LINK O THR A 251 K K B 401 1555 1555 2.71 LINK OG1 THR A 251 K K B 401 1555 1555 2.77 LINK O ILE A 252 K K A 404 1555 1555 2.66 LINK O ILE A 252 K K A 405 1555 1555 2.78 LINK O GLY A 253 K K A 403 1555 1555 2.81 LINK O GLY A 253 K K A 404 1555 1555 2.68 LINK O PHE A 254 K K A 403 1555 1555 2.72 LINK OE1 GLU A 309 CD CD B 402 1555 2555 2.51 LINK NE2 HIS A 313 CD CD B 402 1555 2555 2.66 LINK K K A 403 O GLY B 144 1555 1555 3.02 LINK K K A 403 O PHE B 145 1555 1555 3.21 LINK K K A 403 O GLY B 253 1555 1555 3.01 LINK K K A 403 O PHE B 254 1555 1555 2.68 LINK K K A 404 O ILE B 143 1555 1555 2.68 LINK K K A 404 O GLY B 144 1555 1555 2.62 LINK K K A 404 O ILE B 252 1555 1555 2.65 LINK K K A 404 O GLY B 253 1555 1555 2.68 LINK K K A 405 O THR B 142 1555 1555 2.64 LINK K K A 405 O ILE B 143 1555 1555 2.77 LINK K K A 405 O THR B 251 1555 1555 2.72 LINK K K A 405 O ILE B 252 1555 1555 2.78 LINK O THR B 142 K K B 401 1555 1555 3.27 LINK OG1 THR B 142 K K B 401 1555 1555 2.96 LINK O THR B 251 K K B 401 1555 1555 2.94 LINK OG1 THR B 251 K K B 401 1555 1555 2.67 LINK OE1 GLU B 309 CD CD B 402 1555 1555 2.61 SITE 1 AC1 3 GLU A 309 GLU B 309 CD B 402 SITE 1 AC2 9 GLY A 144 PHE A 145 GLY A 253 PHE A 254 SITE 2 AC2 9 K A 404 GLY B 144 PHE B 145 GLY B 253 SITE 3 AC2 9 PHE B 254 SITE 1 AC3 10 ILE A 143 GLY A 144 ILE A 252 GLY A 253 SITE 2 AC3 10 K A 403 K A 405 ILE B 143 GLY B 144 SITE 3 AC3 10 ILE B 252 GLY B 253 SITE 1 AC4 10 THR A 142 ILE A 143 THR A 251 ILE A 252 SITE 2 AC4 10 K A 404 THR B 142 ILE B 143 THR B 251 SITE 3 AC4 10 ILE B 252 K B 401 SITE 1 AC5 1 LEU A 56 SITE 1 AC6 5 THR A 142 THR A 251 K A 405 THR B 142 SITE 2 AC6 5 THR B 251 SITE 1 AC7 5 GLU A 309 HIS A 313 CD A 401 GLU B 309 SITE 2 AC7 5 HIS B 313 SITE 1 AC8 2 HIS B 126 ASP B 263 SITE 1 AC9 2 ALA B 300 THR B 303 CRYST1 66.718 120.417 126.440 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 0.014988 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008304 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007909 0.00000