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 4 16-OCT-24 4TWK 1 REMARK
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 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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