HEADER TRANSPORT PROTEIN 30-JUN-14 4TWK TITLE CRYSTAL STRUCTURE OF HUMAN TWO PORE DOMAIN POTASSIUM ION CHANNEL TREK1 TITLE 2 (K2P2.1) COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL SUBFAMILY K MEMBER 2; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 26-300; COMPND 5 SYNONYM: OUTWARD RECTIFYING POTASSIUM CHANNEL PROTEIN TREK-1,TREK-1 COMPND 6 K(+) CHANNEL SUBUNIT,TWO PORE DOMAIN POTASSIUM CHANNEL TREK-1,TWO COMPND 7 PORE POTASSIUM CHANNEL TPKC1; COMPND 8 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: KCNK2, TREK, TREK1; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PFB-CT10HF-LIC KEYWDS ION CHANNEL, MEMBRANE PROTEIN, K2P, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.C.W.PIKE,Y.Y.DONG,A.TESSITORE,S.GOUBIN,C.STRAIN-DAMERELL, AUTHOR 2 S.MUKHOPADHYAY,K.KUPINSKA,D.WANG,R.CHALK,G.BERRIDGE,M.GRIEBEN, AUTHOR 3 L.SHRESTHA,J.H.ANG,A.MACKENZIE,A.QUIGLEY,S.R.BUSHELL,C.A.SHINTRE, AUTHOR 4 B.FAUST,A.CHU,L.DONG,F.VON DELFT,C.H.ARROWSMITH,A.M.EDWARDS, AUTHOR 5 C.BOUNTRA,N.A.BURGESS-BROWN,E.P.CARPENTER REVDAT 3 20-DEC-23 4TWK 1 HETSYN REVDAT 2 29-JUL-20 4TWK 1 COMPND REMARK HETNAM LINK REVDAT 2 2 1 SITE REVDAT 1 06-AUG-14 4TWK 0 JRNL AUTH A.C.W.PIKE,Y.Y.DONG,A.TESSITORE,S.GOUBIN,C.STRAIN-DAMERELL, JRNL AUTH 2 S.MUKHOPADHYAY,K.KUPINSKA,D.WANG,R.CHALK,G.BERRIDGE, JRNL AUTH 3 M.GRIEBEN,L.SHRESTHA,J.H.ANG,A.MACKENZIE,A.QUIGLEY, JRNL AUTH 4 S.R.BUSHELL,C.A.SHINTRE,B.FAUST,A.CHU,L.DONG,F.VON DELFT, JRNL AUTH 5 C.H.ARROWSMITH,A.M.EDWARDS,C.BOUNTRA,N.A.BURGESS-BROWN, JRNL AUTH 6 E.P.CARPENTER JRNL TITL CRYSTAL STRUCTURE OF HUMAN TWO PORE DOMAIN POTASSIUM ION JRNL TITL 2 CHANNEL TREK1 (K2P2.1) JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.4 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.94 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 31710 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) : 0.232 REMARK 3 R VALUE (WORKING SET) : 0.231 REMARK 3 FREE R VALUE : 0.258 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 1607 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 : 16 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.69 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.40 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2700 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.1897 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2549 REMARK 3 BIN R VALUE (WORKING SET) : 0.1901 REMARK 3 BIN FREE R VALUE : 0.1829 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.59 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 151 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 : 3746 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 168 REMARK 3 SOLVENT ATOMS : 27 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 74.16 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 113.2 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.07280 REMARK 3 B22 (A**2) : -20.66700 REMARK 3 B33 (A**2) : 28.73970 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) : 0.522 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.288 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.230 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.298 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.237 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 : 0.891 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.891 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 4005 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 5468 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1769 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 53 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 571 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 4005 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 592 ; 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 : 4902 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.00 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.22 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 2.71 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: {A|38 - 408} REMARK 3 ORIGIN FOR THE GROUP (A): 14.2202 -1.5973 -24.9434 REMARK 3 T TENSOR REMARK 3 T11: -0.3902 T22: -0.2826 REMARK 3 T33: -0.3534 T12: 0.0587 REMARK 3 T13: -0.0463 T23: -0.0544 REMARK 3 L TENSOR REMARK 3 L11: 1.9839 L22: 2.3819 REMARK 3 L33: 7.3875 L12: -0.8042 REMARK 3 L13: -1.3281 L23: 0.8396 REMARK 3 S TENSOR REMARK 3 S11: -0.2022 S12: 0.1107 S13: -0.0981 REMARK 3 S21: 0.0585 S22: 0.1014 S23: 0.0242 REMARK 3 S31: 0.0098 S32: -0.7110 S33: 0.1008 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: {B|42 - 750} INCLUDES NAG GLYCOSYLATION ON B95 REMARK 3 ORIGIN FOR THE GROUP (A): 24.6670 2.8693 -17.0848 REMARK 3 T TENSOR REMARK 3 T11: -0.3944 T22: -0.3104 REMARK 3 T33: -0.3706 T12: 0.0612 REMARK 3 T13: -0.1044 T23: -0.1166 REMARK 3 L TENSOR REMARK 3 L11: 2.3033 L22: 1.8665 REMARK 3 L33: 6.9659 L12: -0.7249 REMARK 3 L13: -0.9781 L23: -0.0063 REMARK 3 S TENSOR REMARK 3 S11: -0.1476 S12: -0.4146 S13: 0.0597 REMARK 3 S21: 0.2563 S22: 0.2551 S23: -0.4413 REMARK 3 S31: -0.5092 S32: 0.7804 S33: -0.1074 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DIFFRACTION DATA WERE SEVERELY REMARK 3 ANISOTROPIC ALL DATA TO 2.6A WAS USED IN REFINEMENT WITHOUT REMARK 3 TRUNCATION. NOMINAL RESOLUTION IS 2.8A BASED ON MN (I)/SD(I)>2 REMARK 3 CRITERIA REMARK 4 REMARK 4 4TWK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-JUL-14. REMARK 100 THE DEPOSITION ID IS D_1000202400. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-DEC-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31773 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 39.650 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 7.300 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.67 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.1 REMARK 200 DATA REDUNDANCY IN SHELL : 6.30 REMARK 200 R MERGE FOR SHELL (I) : 1.83600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.100 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: 4BW5 REMARK 200 REMARK 200 REMARK: RODS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.25M MAGNESIUM FORMATE, 0.1M SODIUM REMARK 280 CACODYLATE PH 6.5, 17% PEG3000, 5% PEG400, VAPOR DIFFUSION, REMARK 280 SITTING DROP, 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 37.23500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 64.13500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.98750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.13500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 37.23500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.98750 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: 12740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -109.0 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 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 THR A 37 REMARK 465 ALA A 227 REMARK 465 ILE A 228 REMARK 465 ILE A 229 REMARK 465 PHE A 230 REMARK 465 LYS A 231 REMARK 465 HIS A 232 REMARK 465 ILE A 233 REMARK 465 GLU A 234 REMARK 465 GLU A 265 REMARK 465 TYR A 266 REMARK 465 LEU A 267 REMARK 465 ASP A 268 REMARK 465 PHE A 269 REMARK 465 TYR A 270 REMARK 465 GLN A 307 REMARK 465 MET 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 SER B 35 REMARK 465 ASP B 36 REMARK 465 THR B 37 REMARK 465 THR B 38 REMARK 465 ILE B 39 REMARK 465 ASN B 40 REMARK 465 VAL B 41 REMARK 465 LEU B 117 REMARK 465 GLY B 118 REMARK 465 ASN B 119 REMARK 465 THR B 120 REMARK 465 SER B 121 REMARK 465 ASN B 122 REMARK 465 GLN B 123 REMARK 465 VAL B 258 REMARK 465 ALA B 259 REMARK 465 GLY B 260 REMARK 465 GLY B 261 REMARK 465 SER B 262 REMARK 465 ASP B 263 REMARK 465 ILE B 264 REMARK 465 GLU B 265 REMARK 465 TYR B 266 REMARK 465 LEU B 267 REMARK 465 ASP B 268 REMARK 465 PHE B 269 REMARK 465 TYR B 270 REMARK 465 ASN B 303 REMARK 465 LEU B 304 REMARK 465 TYR B 305 REMARK 465 PHE B 306 REMARK 465 GLN B 307 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 THR A 38 OG1 CG2 REMARK 470 ILE A 39 CG1 CG2 CD1 REMARK 470 LYS A 45 CG CD CE NZ REMARK 470 ILE A 80 CG1 CG2 CD1 REMARK 470 SER A 96 OG REMARK 470 GLU A 98 CG CD OE1 OE2 REMARK 470 ASP A 100 CG OD1 OD2 REMARK 470 GLU A 101 CD OE1 OE2 REMARK 470 GLU A 193 CG CD OE1 OE2 REMARK 470 ILE A 197 CG1 CG2 CD1 REMARK 470 ASN A 200 CG OD1 ND2 REMARK 470 LYS A 205 CG CD CE NZ REMARK 470 ARG A 207 CG CD NE CZ NH1 NH2 REMARK 470 ILE A 208 CG1 CG2 CD1 REMARK 470 ILE A 209 CG1 CG2 CD1 REMARK 470 LEU A 225 CG CD1 CD2 REMARK 470 TYR A 257 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP A 263 CG OD1 OD2 REMARK 470 ILE A 264 CG1 CG2 CD1 REMARK 470 LYS A 271 CG CD CE NZ REMARK 470 LYS B 43 CG CD CE NZ REMARK 470 LYS B 45 CD CE NZ REMARK 470 GLU B 98 CG CD OE1 OE2 REMARK 470 ILE B 189 CG1 CG2 CD1 REMARK 470 LYS B 191 CE NZ REMARK 470 GLU B 193 CG CD OE1 OE2 REMARK 470 ILE B 197 CG1 CG2 CD1 REMARK 470 LYS B 198 CG CD CE NZ REMARK 470 THR B 204 OG1 CG2 REMARK 470 LYS B 205 CD CE NZ REMARK 470 ILE B 206 CG1 CG2 CD1 REMARK 470 ILE B 208 CG1 CG2 CD1 REMARK 470 LYS B 231 CG CD CE NZ REMARK 470 LYS B 271 CG CD CE NZ 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 PHE A 145 43.39 -140.00 REMARK 500 VAL A 223 -54.59 -120.03 REMARK 500 ASN B 200 79.96 46.38 REMARK 500 VAL B 223 -59.51 -129.85 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 37X A 403 REMARK 610 37X A 404 REMARK 610 37X A 406 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 MG A 407 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 113 O REMARK 620 2 GLY A 260 O 89.1 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 401 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 THR A 142 OG1 65.9 REMARK 620 3 THR A 251 O 69.2 109.2 REMARK 620 4 THR A 251 OG1 104.1 76.4 65.0 REMARK 620 5 THR B 142 O 106.4 171.3 70.2 110.3 REMARK 620 6 THR B 142 OG1 170.2 123.8 105.2 79.8 63.9 REMARK 620 7 THR B 251 O 66.4 106.3 102.2 166.7 65.9 108.2 REMARK 620 8 THR B 251 OG1 109.9 79.4 169.2 124.7 100.4 74.0 68.4 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 403 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 142 O REMARK 620 2 ILE A 143 O 70.3 REMARK 620 3 THR A 251 O 61.2 80.7 REMARK 620 4 ILE A 252 O 124.5 72.4 73.4 REMARK 620 5 THR B 142 O 91.9 143.0 62.4 94.1 REMARK 620 6 ILE B 143 O 145.6 133.0 136.1 89.6 79.4 REMARK 620 7 THR B 251 O 62.3 127.1 95.4 156.5 62.4 84.5 REMARK 620 8 ILE B 252 O 84.3 80.2 144.7 127.3 131.5 77.3 73.5 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 HOH A 509 O 96.9 REMARK 620 3 HOH A 510 O 68.3 85.4 REMARK 620 4 PHE B 145 O 147.6 51.3 99.3 REMARK 620 5 HOH B 511 O 103.5 158.6 108.2 108.9 REMARK 620 N 1 2 3 4 DBREF 4TWK A 26 300 UNP O95069 KCNK2_HUMAN 26 300 DBREF 4TWK B 26 300 UNP O95069 KCNK2_HUMAN 26 300 SEQADV 4TWK MET A 25 UNP O95069 INITIATING METHIONINE SEQADV 4TWK ALA A 301 UNP O95069 EXPRESSION TAG SEQADV 4TWK GLU A 302 UNP O95069 EXPRESSION TAG SEQADV 4TWK ASN A 303 UNP O95069 EXPRESSION TAG SEQADV 4TWK LEU A 304 UNP O95069 EXPRESSION TAG SEQADV 4TWK TYR A 305 UNP O95069 EXPRESSION TAG SEQADV 4TWK PHE A 306 UNP O95069 EXPRESSION TAG SEQADV 4TWK GLN A 307 UNP O95069 EXPRESSION TAG SEQADV 4TWK MET B 25 UNP O95069 INITIATING METHIONINE SEQADV 4TWK ALA B 301 UNP O95069 EXPRESSION TAG SEQADV 4TWK GLU B 302 UNP O95069 EXPRESSION TAG SEQADV 4TWK ASN B 303 UNP O95069 EXPRESSION TAG SEQADV 4TWK LEU B 304 UNP O95069 EXPRESSION TAG SEQADV 4TWK TYR B 305 UNP O95069 EXPRESSION TAG SEQADV 4TWK PHE B 306 UNP O95069 EXPRESSION TAG SEQADV 4TWK GLN B 307 UNP O95069 EXPRESSION TAG SEQRES 1 A 283 MET PRO THR VAL LEU ALA SER ARG VAL GLU SER ASP THR SEQRES 2 A 283 THR ILE ASN VAL MET LYS TRP LYS THR VAL SER THR ILE SEQRES 3 A 283 PHE LEU VAL VAL VAL LEU TYR LEU ILE ILE GLY ALA THR SEQRES 4 A 283 VAL PHE LYS ALA LEU GLU GLN PRO HIS GLU ILE SER GLN SEQRES 5 A 283 ARG THR THR ILE VAL ILE GLN LYS GLN THR PHE ILE SER SEQRES 6 A 283 GLN HIS SER CYS VAL ASN SER THR GLU LEU ASP GLU LEU SEQRES 7 A 283 ILE GLN GLN ILE VAL ALA ALA ILE ASN ALA GLY ILE ILE SEQRES 8 A 283 PRO LEU GLY ASN THR SER ASN GLN ILE SER HIS TRP ASP SEQRES 9 A 283 LEU GLY SER SER PHE PHE PHE ALA GLY THR VAL ILE THR SEQRES 10 A 283 THR ILE GLY PHE GLY ASN ILE SER PRO ARG THR GLU GLY SEQRES 11 A 283 GLY LYS ILE PHE CYS ILE ILE TYR ALA LEU LEU GLY ILE SEQRES 12 A 283 PRO LEU PHE GLY PHE LEU LEU ALA GLY VAL GLY ASP GLN SEQRES 13 A 283 LEU GLY THR ILE PHE GLY LYS GLY ILE ALA LYS VAL GLU SEQRES 14 A 283 ASP THR PHE ILE LYS TRP ASN VAL SER GLN THR LYS ILE SEQRES 15 A 283 ARG ILE ILE SER THR ILE ILE PHE ILE LEU PHE GLY CYS SEQRES 16 A 283 VAL LEU PHE VAL ALA LEU PRO ALA ILE ILE PHE LYS HIS SEQRES 17 A 283 ILE GLU GLY TRP SER ALA LEU ASP ALA ILE TYR PHE VAL SEQRES 18 A 283 VAL ILE THR LEU THR THR ILE GLY PHE GLY ASP TYR VAL SEQRES 19 A 283 ALA GLY GLY SER ASP ILE GLU TYR LEU ASP PHE TYR LYS SEQRES 20 A 283 PRO VAL VAL TRP PHE TRP ILE LEU VAL GLY LEU ALA TYR SEQRES 21 A 283 PHE ALA ALA VAL LEU SER MET ILE GLY ASP TRP LEU ARG SEQRES 22 A 283 VAL ILE SER ALA GLU ASN LEU TYR PHE GLN SEQRES 1 B 283 MET PRO THR VAL LEU ALA SER ARG VAL GLU SER ASP THR SEQRES 2 B 283 THR ILE ASN VAL MET LYS TRP LYS THR VAL SER THR ILE SEQRES 3 B 283 PHE LEU VAL VAL VAL LEU TYR LEU ILE ILE GLY ALA THR SEQRES 4 B 283 VAL PHE LYS ALA LEU GLU GLN PRO HIS GLU ILE SER GLN SEQRES 5 B 283 ARG THR THR ILE VAL ILE GLN LYS GLN THR PHE ILE SER SEQRES 6 B 283 GLN HIS SER CYS VAL ASN SER THR GLU LEU ASP GLU LEU SEQRES 7 B 283 ILE GLN GLN ILE VAL ALA ALA ILE ASN ALA GLY ILE ILE SEQRES 8 B 283 PRO LEU GLY ASN THR SER ASN GLN ILE SER HIS TRP ASP SEQRES 9 B 283 LEU GLY SER SER PHE PHE PHE ALA GLY THR VAL ILE THR SEQRES 10 B 283 THR ILE GLY PHE GLY ASN ILE SER PRO ARG THR GLU GLY SEQRES 11 B 283 GLY LYS ILE PHE CYS ILE ILE TYR ALA LEU LEU GLY ILE SEQRES 12 B 283 PRO LEU PHE GLY PHE LEU LEU ALA GLY VAL GLY ASP GLN SEQRES 13 B 283 LEU GLY THR ILE PHE GLY LYS GLY ILE ALA LYS VAL GLU SEQRES 14 B 283 ASP THR PHE ILE LYS TRP ASN VAL SER GLN THR LYS ILE SEQRES 15 B 283 ARG ILE ILE SER THR ILE ILE PHE ILE LEU PHE GLY CYS SEQRES 16 B 283 VAL LEU PHE VAL ALA LEU PRO ALA ILE ILE PHE LYS HIS SEQRES 17 B 283 ILE GLU GLY TRP SER ALA LEU ASP ALA ILE TYR PHE VAL SEQRES 18 B 283 VAL ILE THR LEU THR THR ILE GLY PHE GLY ASP TYR VAL SEQRES 19 B 283 ALA GLY GLY SER ASP ILE GLU TYR LEU ASP PHE TYR LYS SEQRES 20 B 283 PRO VAL VAL TRP PHE TRP ILE LEU VAL GLY LEU ALA TYR SEQRES 21 B 283 PHE ALA ALA VAL LEU SER MET ILE GLY ASP TRP LEU ARG SEQRES 22 B 283 VAL ILE SER ALA GLU ASN LEU TYR PHE GLN HET K A 401 1 HET K A 402 1 HET 37X A 403 18 HET 37X A 404 25 HET 37X A 405 39 HET 37X A 406 29 HET MG A 407 1 HET K B 403 1 HET NAG B 401 14 HET 37X B 402 39 HETNAM K POTASSIUM ION HETNAM 37X OCTYL GLUCOSE NEOPENTYL GLYCOL HETNAM MG MAGNESIUM ION HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 3 K 3(K 1+) FORMUL 5 37X 5(C27 H52 O12) FORMUL 9 MG MG 2+ FORMUL 11 NAG C8 H15 N O6 FORMUL 13 HOH *27(H2 O) HELIX 1 AA1 THR A 38 HIS A 91 1 54 HELIX 2 AA2 ASN A 95 GLY A 113 1 19 HELIX 3 AA3 ASP A 128 THR A 141 1 14 HELIX 4 AA4 THR A 152 TRP A 199 1 48 HELIX 5 AA5 SER A 202 VAL A 223 1 22 HELIX 6 AA6 SER A 237 THR A 250 1 14 HELIX 7 AA7 PRO A 272 PHE A 306 1 35 HELIX 8 AA8 LYS B 43 HIS B 91 1 49 HELIX 9 AA9 ASN B 95 ALA B 112 1 18 HELIX 10 AB1 ASP B 128 THR B 141 1 14 HELIX 11 AB2 THR B 152 TRP B 199 1 48 HELIX 12 AB3 SER B 202 VAL B 223 1 22 HELIX 13 AB4 VAL B 223 ILE B 233 1 11 HELIX 14 AB5 SER B 237 THR B 250 1 14 HELIX 15 AB6 PRO B 272 GLU B 302 1 31 SSBOND 1 CYS A 93 CYS B 93 1555 1555 2.04 LINK ND2 ASN B 95 C1 NAG B 401 1555 1555 1.44 LINK O GLY A 113 MG MG A 407 1555 1555 2.36 LINK O THR A 142 K K A 401 1555 1555 2.74 LINK OG1 THR A 142 K K A 401 1555 1555 2.70 LINK O THR A 142 K K B 403 1555 1555 3.07 LINK O ILE A 143 K K A 402 1555 1555 3.43 LINK O ILE A 143 K K B 403 1555 1555 3.00 LINK O THR A 251 K K A 401 1555 1555 2.73 LINK OG1 THR A 251 K K A 401 1555 1555 2.89 LINK O THR A 251 K K B 403 1555 1555 3.04 LINK O ILE A 252 K K B 403 1555 1555 2.96 LINK O GLY A 260 MG MG A 407 1555 1555 2.19 LINK K K A 401 O THR B 142 1555 1555 2.64 LINK K K A 401 OG1 THR B 142 1555 1555 3.00 LINK K K A 401 O THR B 251 1555 1555 2.80 LINK K K A 401 OG1 THR B 251 1555 1555 2.73 LINK K K A 402 O HOH A 509 1555 1555 2.81 LINK K K A 402 O HOH A 510 1555 1555 3.26 LINK K K A 402 O PHE B 145 1555 1555 3.37 LINK K K A 402 O HOH B 511 1555 1555 3.24 LINK O THR B 142 K K B 403 1555 1555 2.93 LINK O ILE B 143 K K B 403 1555 1555 2.60 LINK O THR B 251 K K B 403 1555 1555 2.78 LINK O ILE B 252 K K B 403 1555 1555 2.87 CISPEP 1 LEU A 117 GLY A 118 0 -10.43 CRYST1 74.470 105.975 128.270 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 0.013428 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009436 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007796 0.00000