HEADER METAL TRANSPORT 12-NOV-11 3UM7 TITLE CRYSTAL STRUCTURE OF THE HUMAN TWO PORE DOMAIN K+ ION CHANNEL TRAAK TITLE 2 (K2P4.1) COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL SUBFAMILY K MEMBER 4; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 1-300; COMPND 5 SYNONYM: TWIK-RELATED ARACHIDONIC ACID-STIMULATED POTASSIUM CHANNEL COMPND 6 PROTEIN, TRAAK, TWO PORE POTASSIUM CHANNEL KT4.1, TWO PORE K(+) COMPND 7 CHANNEL KT4.1; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KCNK4, TRAAK; SOURCE 6 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PPICZ-B KEYWDS POTASSIUM ION CHANNEL, METAL TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR S.G.BROHAWN,R.MACKINNON REVDAT 2 20-NOV-24 3UM7 1 REMARK SEQADV LINK REVDAT 1 08-FEB-12 3UM7 0 JRNL AUTH S.G.BROHAWN,J.DEL MARMOL,R.MACKINNON JRNL TITL CRYSTAL STRUCTURE OF THE HUMAN K2P TRAAK, A LIPID- AND JRNL TITL 2 MECHANO-SENSITIVE K+ ION CHANNEL. JRNL REF SCIENCE V. 335 436 2012 JRNL REFN ISSN 0036-8075 JRNL PMID 22282805 JRNL DOI 10.1126/SCIENCE.1213808 REMARK 2 REMARK 2 RESOLUTION. 3.31 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REFMAC_5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.31 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.20 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 75.4 REMARK 3 NUMBER OF REFLECTIONS : 16792 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) : 0.317 REMARK 3 R VALUE (WORKING SET) : 0.317 REMARK 3 FREE R VALUE : 0.323 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 880 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.32 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.40 REMARK 3 REFLECTION IN BIN (WORKING SET) : 80 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 4.85 REMARK 3 BIN R VALUE (WORKING SET) : 0.4160 REMARK 3 BIN FREE R VALUE SET COUNT : 1 REMARK 3 BIN FREE R VALUE : 0.2980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3740 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 175.4 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.50000 REMARK 3 B22 (A**2) : 1.45000 REMARK 3 B33 (A**2) : 0.04000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.565 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.481 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 45.286 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.881 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.887 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3829 ; 0.008 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 5264 ; 1.172 ; 1.953 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 497 ; 3.988 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 133 ;37.889 ;22.406 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 538 ;18.874 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 17 ;12.784 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 634 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2840 ; 0.004 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 25 A 106 REMARK 3 ORIGIN FOR THE GROUP (A): 11.7176 41.3320 21.8930 REMARK 3 T TENSOR REMARK 3 T11: 0.6976 T22: 0.7680 REMARK 3 T33: 1.2778 T12: -0.1572 REMARK 3 T13: 0.2479 T23: -0.0163 REMARK 3 L TENSOR REMARK 3 L11: 0.5684 L22: 9.1283 REMARK 3 L33: 4.9836 L12: -1.9287 REMARK 3 L13: 0.6180 L23: -2.3207 REMARK 3 S TENSOR REMARK 3 S11: 0.0471 S12: -0.2387 S13: 0.2621 REMARK 3 S21: -1.0187 S22: 0.2368 S23: -1.0043 REMARK 3 S31: -0.6848 S32: 0.1647 S33: -0.2839 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 112 A 290 REMARK 3 ORIGIN FOR THE GROUP (A): 1.6702 23.9668 36.4737 REMARK 3 T TENSOR REMARK 3 T11: 0.9148 T22: 0.8119 REMARK 3 T33: 0.9231 T12: -0.0209 REMARK 3 T13: 0.0895 T23: -0.0273 REMARK 3 L TENSOR REMARK 3 L11: 0.2186 L22: 9.8989 REMARK 3 L33: 2.5600 L12: -0.1778 REMARK 3 L13: -0.6839 L23: -0.5564 REMARK 3 S TENSOR REMARK 3 S11: 0.1242 S12: 0.0452 S13: 0.1195 REMARK 3 S21: 1.1841 S22: -0.1564 S23: -0.1926 REMARK 3 S31: -0.6337 S32: 0.1231 S33: 0.0323 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 25 B 106 REMARK 3 ORIGIN FOR THE GROUP (A): -10.3532 43.7959 17.3734 REMARK 3 T TENSOR REMARK 3 T11: 0.9511 T22: 0.6477 REMARK 3 T33: 1.6884 T12: 0.1123 REMARK 3 T13: -0.4640 T23: 0.1152 REMARK 3 L TENSOR REMARK 3 L11: 0.7783 L22: 10.2055 REMARK 3 L33: 3.5145 L12: 2.3312 REMARK 3 L13: -0.6057 L23: 0.3119 REMARK 3 S TENSOR REMARK 3 S11: 0.1117 S12: -0.0512 S13: -0.0265 REMARK 3 S21: -1.3506 S22: -0.3184 S23: 1.4585 REMARK 3 S31: -1.1783 S32: -0.3774 S33: 0.2067 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 112 B 290 REMARK 3 ORIGIN FOR THE GROUP (A): -2.7609 19.3160 14.8380 REMARK 3 T TENSOR REMARK 3 T11: 1.3390 T22: 0.7523 REMARK 3 T33: 0.6030 T12: -0.1512 REMARK 3 T13: -0.0536 T23: 0.0091 REMARK 3 L TENSOR REMARK 3 L11: 3.5831 L22: 8.9712 REMARK 3 L33: 3.0875 L12: -0.1594 REMARK 3 L13: -1.5178 L23: 1.6694 REMARK 3 S TENSOR REMARK 3 S11: -0.2715 S12: 0.2894 S13: 0.0727 REMARK 3 S21: -2.1516 S22: 0.1258 S23: 0.7059 REMARK 3 S31: 0.1376 S32: -0.1365 S33: 0.1457 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT U VALUES : WITH TLS ADDED REMARK 4 REMARK 4 3UM7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000068928. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-JUL-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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) : 0.97833 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17761 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.300 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 73.4 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.36 REMARK 200 COMPLETENESS FOR SHELL (%) : 2.1 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.94800 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: MIRAS REMARK 200 SOFTWARE USED: SHARP, DM 5.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 78.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 21-24% PEG400, 1 MM FOS-CHOLINE-12, REMARK 280 VAPOR DIFFUSION, HANGING 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 43.96900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 66.38950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 65.42600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 66.38950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 43.96900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 65.42600 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: 5590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 25690 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 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 1 REMARK 465 THR A 2 REMARK 465 THR A 3 REMARK 465 ALA A 4 REMARK 465 PRO A 5 REMARK 465 GLN A 6 REMARK 465 GLU A 7 REMARK 465 PRO A 8 REMARK 465 PRO A 9 REMARK 465 ALA A 10 REMARK 465 ARG A 11 REMARK 465 PRO A 12 REMARK 465 LEU A 13 REMARK 465 GLN A 14 REMARK 465 ALA A 15 REMARK 465 GLY A 16 REMARK 465 SER A 17 REMARK 465 GLY A 18 REMARK 465 ALA A 19 REMARK 465 GLY A 20 REMARK 465 PRO A 21 REMARK 465 ALA A 22 REMARK 465 PRO A 23 REMARK 465 GLY A 24 REMARK 465 SER A 107 REMARK 465 GLN A 108 REMARK 465 SER A 109 REMARK 465 SER A 110 REMARK 465 HIS A 111 REMARK 465 VAL A 188 REMARK 465 PRO A 189 REMARK 465 ARG A 291 REMARK 465 ALA A 292 REMARK 465 GLU A 293 REMARK 465 MET A 294 REMARK 465 GLY A 295 REMARK 465 GLY A 296 REMARK 465 LEU A 297 REMARK 465 THR A 298 REMARK 465 ALA A 299 REMARK 465 GLN A 300 REMARK 465 SER A 301 REMARK 465 ASN A 302 REMARK 465 SER A 303 REMARK 465 LEU A 304 REMARK 465 GLU A 305 REMARK 465 VAL A 306 REMARK 465 LEU A 307 REMARK 465 PHE A 308 REMARK 465 GLN A 309 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 THR B 3 REMARK 465 ALA B 4 REMARK 465 PRO B 5 REMARK 465 GLN B 6 REMARK 465 GLU B 7 REMARK 465 PRO B 8 REMARK 465 PRO B 9 REMARK 465 ALA B 10 REMARK 465 ARG B 11 REMARK 465 PRO B 12 REMARK 465 LEU B 13 REMARK 465 GLN B 14 REMARK 465 ALA B 15 REMARK 465 GLY B 16 REMARK 465 SER B 17 REMARK 465 GLY B 18 REMARK 465 ALA B 19 REMARK 465 GLY B 20 REMARK 465 PRO B 21 REMARK 465 ALA B 22 REMARK 465 PRO B 23 REMARK 465 GLY B 24 REMARK 465 ARG B 25 REMARK 465 ALA B 26 REMARK 465 SER B 105 REMARK 465 THR B 106 REMARK 465 SER B 107 REMARK 465 GLN B 108 REMARK 465 SER B 109 REMARK 465 SER B 110 REMARK 465 HIS B 111 REMARK 465 GLU B 180 REMARK 465 ALA B 181 REMARK 465 ILE B 182 REMARK 465 PHE B 183 REMARK 465 LEU B 184 REMARK 465 LYS B 185 REMARK 465 TRP B 186 REMARK 465 HIS B 187 REMARK 465 VAL B 188 REMARK 465 PRO B 189 REMARK 465 PRO B 190 REMARK 465 GLU B 191 REMARK 465 LEU B 192 REMARK 465 ARG B 291 REMARK 465 ALA B 292 REMARK 465 GLU B 293 REMARK 465 MET B 294 REMARK 465 GLY B 295 REMARK 465 GLY B 296 REMARK 465 LEU B 297 REMARK 465 THR B 298 REMARK 465 ALA B 299 REMARK 465 GLN B 300 REMARK 465 SER B 301 REMARK 465 ASN B 302 REMARK 465 SER B 303 REMARK 465 LEU B 304 REMARK 465 GLU B 305 REMARK 465 VAL B 306 REMARK 465 LEU B 307 REMARK 465 PHE B 308 REMARK 465 GLN B 309 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 ARG A 25 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 67 CG CD OE1 OE2 REMARK 470 LYS A 71 CG CD CE NZ REMARK 470 GLU A 102 CG CD OE1 OE2 REMARK 470 SER A 112 OG REMARK 470 ARG A 173 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 184 CG CD1 CD2 REMARK 470 LYS A 185 CG CD CE NZ REMARK 470 TRP A 186 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 186 CZ3 CH2 REMARK 470 HIS A 187 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 191 CG CD OE1 OE2 REMARK 470 LEU A 192 CG CD1 CD2 REMARK 470 ARG A 194 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 222 CG OD1 OD2 REMARK 470 LYS A 225 CG CD CE NZ REMARK 470 ARG A 251 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 252 CG CD OE1 NE2 REMARK 470 ASP A 253 CG OD1 OD2 REMARK 470 ARG A 284 CG CD NE CZ NH1 NH2 REMARK 470 MET B 27 CG SD CE REMARK 470 ARG B 51 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 59 CG CD OE1 NE2 REMARK 470 GLU B 70 CG CD OE1 OE2 REMARK 470 ARG B 74 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 89 CG CD CE NZ REMARK 470 GLU B 102 CG CD OE1 OE2 REMARK 470 GLN B 104 CG CD OE1 NE2 REMARK 470 SER B 112 OG REMARK 470 ARG B 173 CG CD NE CZ NH1 NH2 REMARK 470 VAL B 193 CG1 CG2 REMARK 470 ARG B 194 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 196 CG CD1 CD2 REMARK 470 ASP B 222 CG OD1 OD2 REMARK 470 LYS B 225 CG CD CE NZ REMARK 470 GLN B 252 CG CD OE1 NE2 REMARK 470 ASP B 253 CG OD1 OD2 REMARK 470 ARG B 284 CG CD NE CZ NH1 NH2 REMARK 470 SER B 287 OG REMARK 470 ARG B 288 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 289 CG CD NE CZ NH1 NH2 REMARK 470 THR B 290 OG1 CG2 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 ALA A 52 31.55 -94.26 REMARK 500 ASP A 100 172.29 -58.31 REMARK 500 PRO A 101 13.94 -66.66 REMARK 500 GLU A 102 11.54 54.97 REMARK 500 ALA A 113 175.85 179.11 REMARK 500 ASP A 115 -162.96 -68.82 REMARK 500 ILE A 147 -43.68 -27.79 REMARK 500 LYS A 185 0.03 -63.40 REMARK 500 THR A 238 21.51 49.32 REMARK 500 ARG A 289 32.17 -94.48 REMARK 500 PRO B 77 -177.77 -58.96 REMARK 500 VAL B 79 16.10 53.89 REMARK 500 GLU B 102 177.87 178.65 REMARK 500 THR B 103 -56.03 88.09 REMARK 500 TRP B 114 12.28 92.69 REMARK 500 THR B 129 12.60 52.71 REMARK 500 ASP B 222 -2.16 73.42 REMARK 500 THR B 237 -3.78 -58.99 REMARK 500 THR B 238 17.71 56.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 313 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 129 O REMARK 620 2 ILE A 130 O 71.2 REMARK 620 3 THR A 238 O 75.3 95.9 REMARK 620 4 VAL A 239 O 141.2 91.6 72.1 REMARK 620 5 THR B 129 O 109.8 160.8 66.7 75.7 REMARK 620 6 ILE B 130 O 145.4 118.3 131.3 73.4 72.3 REMARK 620 7 THR B 238 O 63.6 117.8 110.6 149.2 77.6 84.1 REMARK 620 8 VAL B 239 O 75.9 62.6 148.5 127.5 136.6 80.1 66.5 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 314 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 129 O REMARK 620 2 THR A 129 OG1 53.5 REMARK 620 3 THR A 238 O 74.0 96.8 REMARK 620 4 THR A 238 OG1 102.3 77.0 55.1 REMARK 620 5 THR B 129 OG1 158.3 145.4 106.0 94.8 REMARK 620 6 THR B 129 O 104.4 155.8 64.5 101.4 58.5 REMARK 620 7 THR B 238 OG1 92.4 88.1 158.3 146.1 80.3 104.2 REMARK 620 8 THR B 238 O 60.3 100.0 103.7 157.4 99.5 72.0 54.6 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 312 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ILE A 130 O REMARK 620 2 GLY A 131 O 60.2 REMARK 620 3 VAL A 239 O 84.0 134.8 REMARK 620 4 GLY A 240 O 90.4 83.4 69.3 REMARK 620 5 ILE B 130 O 116.0 150.7 67.8 125.7 REMARK 620 6 GLY B 131 O 161.6 134.1 77.7 81.4 58.4 REMARK 620 7 VAL B 239 O 60.2 77.5 109.4 150.2 76.6 128.2 REMARK 620 8 GLY B 240 O 116.1 79.5 144.8 134.2 77.2 80.8 64.3 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 311 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 131 O REMARK 620 2 TYR A 132 O 62.4 REMARK 620 3 GLY A 240 O 73.8 86.1 REMARK 620 4 PHE A 241 O 129.8 93.6 60.5 REMARK 620 5 TYR B 132 O 146.5 139.8 122.7 80.3 REMARK 620 6 GLY B 240 O 73.2 125.5 110.8 140.4 73.6 REMARK 620 7 PHE B 241 O 78.7 81.2 152.4 144.3 81.3 59.8 REMARK 620 N 1 2 3 4 5 6 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 311 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 312 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 313 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 314 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE DEPOSITED SEQUENCE CORRESPONDS TO THE SEQUENCE OF THE ISOFORM 2 REMARK 999 OF THE UNP ENTRY Q9NYG8. DBREF 3UM7 A 1 300 UNP Q9NYG8 KCNK4_HUMAN 1 300 DBREF 3UM7 B 1 300 UNP Q9NYG8 KCNK4_HUMAN 1 300 SEQADV 3UM7 GLN A 104 UNP Q9NYG8 ASN 104 ENGINEERED MUTATION SEQADV 3UM7 GLN A 108 UNP Q9NYG8 ASN 108 ENGINEERED MUTATION SEQADV 3UM7 SER A 301 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 ASN A 302 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 SER A 303 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 LEU A 304 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 GLU A 305 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 VAL A 306 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 LEU A 307 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 PHE A 308 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 GLN A 309 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 GLN B 104 UNP Q9NYG8 ASN 104 ENGINEERED MUTATION SEQADV 3UM7 GLN B 108 UNP Q9NYG8 ASN 108 ENGINEERED MUTATION SEQADV 3UM7 SER B 301 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 ASN B 302 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 SER B 303 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 LEU B 304 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 GLU B 305 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 VAL B 306 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 LEU B 307 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 PHE B 308 UNP Q9NYG8 EXPRESSION TAG SEQADV 3UM7 GLN B 309 UNP Q9NYG8 EXPRESSION TAG SEQRES 1 A 309 MET THR THR ALA PRO GLN GLU PRO PRO ALA ARG PRO LEU SEQRES 2 A 309 GLN ALA GLY SER GLY ALA GLY PRO ALA PRO GLY ARG ALA SEQRES 3 A 309 MET ARG SER THR THR LEU LEU ALA LEU LEU ALA LEU VAL SEQRES 4 A 309 LEU LEU TYR LEU VAL SER GLY ALA LEU VAL PHE ARG ALA SEQRES 5 A 309 LEU GLU GLN PRO HIS GLU GLN GLN ALA GLN ARG GLU LEU SEQRES 6 A 309 GLY GLU VAL ARG GLU LYS PHE LEU ARG ALA HIS PRO CYS SEQRES 7 A 309 VAL SER ASP GLN GLU LEU GLY LEU LEU ILE LYS GLU VAL SEQRES 8 A 309 ALA ASP ALA LEU GLY GLY GLY ALA ASP PRO GLU THR GLN SEQRES 9 A 309 SER THR SER GLN SER SER HIS SER ALA TRP ASP LEU GLY SEQRES 10 A 309 SER ALA PHE PHE PHE SER GLY THR ILE ILE THR THR ILE SEQRES 11 A 309 GLY TYR GLY ASN VAL ALA LEU ARG THR ASP ALA GLY ARG SEQRES 12 A 309 LEU PHE CYS ILE PHE TYR ALA LEU VAL GLY ILE PRO LEU SEQRES 13 A 309 PHE GLY ILE LEU LEU ALA GLY VAL GLY ASP ARG LEU GLY SEQRES 14 A 309 SER SER LEU ARG HIS GLY ILE GLY HIS ILE GLU ALA ILE SEQRES 15 A 309 PHE LEU LYS TRP HIS VAL PRO PRO GLU LEU VAL ARG VAL SEQRES 16 A 309 LEU SER ALA MET LEU PHE LEU LEU ILE GLY CYS LEU LEU SEQRES 17 A 309 PHE VAL LEU THR PRO THR PHE VAL PHE CYS TYR MET GLU SEQRES 18 A 309 ASP TRP SER LYS LEU GLU ALA ILE TYR PHE VAL ILE VAL SEQRES 19 A 309 THR LEU THR THR VAL GLY PHE GLY ASP TYR VAL ALA GLY SEQRES 20 A 309 ALA ASP PRO ARG GLN ASP SER PRO ALA TYR GLN PRO LEU SEQRES 21 A 309 VAL TRP PHE TRP ILE LEU LEU GLY LEU ALA TYR PHE ALA SEQRES 22 A 309 SER VAL LEU THR THR ILE GLY ASN TRP LEU ARG VAL VAL SEQRES 23 A 309 SER ARG ARG THR ARG ALA GLU MET GLY GLY LEU THR ALA SEQRES 24 A 309 GLN SER ASN SER LEU GLU VAL LEU PHE GLN SEQRES 1 B 309 MET THR THR ALA PRO GLN GLU PRO PRO ALA ARG PRO LEU SEQRES 2 B 309 GLN ALA GLY SER GLY ALA GLY PRO ALA PRO GLY ARG ALA SEQRES 3 B 309 MET ARG SER THR THR LEU LEU ALA LEU LEU ALA LEU VAL SEQRES 4 B 309 LEU LEU TYR LEU VAL SER GLY ALA LEU VAL PHE ARG ALA SEQRES 5 B 309 LEU GLU GLN PRO HIS GLU GLN GLN ALA GLN ARG GLU LEU SEQRES 6 B 309 GLY GLU VAL ARG GLU LYS PHE LEU ARG ALA HIS PRO CYS SEQRES 7 B 309 VAL SER ASP GLN GLU LEU GLY LEU LEU ILE LYS GLU VAL SEQRES 8 B 309 ALA ASP ALA LEU GLY GLY GLY ALA ASP PRO GLU THR GLN SEQRES 9 B 309 SER THR SER GLN SER SER HIS SER ALA TRP ASP LEU GLY SEQRES 10 B 309 SER ALA PHE PHE PHE SER GLY THR ILE ILE THR THR ILE SEQRES 11 B 309 GLY TYR GLY ASN VAL ALA LEU ARG THR ASP ALA GLY ARG SEQRES 12 B 309 LEU PHE CYS ILE PHE TYR ALA LEU VAL GLY ILE PRO LEU SEQRES 13 B 309 PHE GLY ILE LEU LEU ALA GLY VAL GLY ASP ARG LEU GLY SEQRES 14 B 309 SER SER LEU ARG HIS GLY ILE GLY HIS ILE GLU ALA ILE SEQRES 15 B 309 PHE LEU LYS TRP HIS VAL PRO PRO GLU LEU VAL ARG VAL SEQRES 16 B 309 LEU SER ALA MET LEU PHE LEU LEU ILE GLY CYS LEU LEU SEQRES 17 B 309 PHE VAL LEU THR PRO THR PHE VAL PHE CYS TYR MET GLU SEQRES 18 B 309 ASP TRP SER LYS LEU GLU ALA ILE TYR PHE VAL ILE VAL SEQRES 19 B 309 THR LEU THR THR VAL GLY PHE GLY ASP TYR VAL ALA GLY SEQRES 20 B 309 ALA ASP PRO ARG GLN ASP SER PRO ALA TYR GLN PRO LEU SEQRES 21 B 309 VAL TRP PHE TRP ILE LEU LEU GLY LEU ALA TYR PHE ALA SEQRES 22 B 309 SER VAL LEU THR THR ILE GLY ASN TRP LEU ARG VAL VAL SEQRES 23 B 309 SER ARG ARG THR ARG ALA GLU MET GLY GLY LEU THR ALA SEQRES 24 B 309 GLN SER ASN SER LEU GLU VAL LEU PHE GLN HET K A 310 1 HET K A 311 1 HET K A 312 1 HET K A 313 1 HET K A 314 1 HETNAM K POTASSIUM ION FORMUL 3 K 5(K 1+) HELIX 1 1 ARG A 28 GLN A 55 1 28 HELIX 2 2 GLN A 60 GLU A 70 1 11 HELIX 3 3 LYS A 71 LEU A 73 5 3 HELIX 4 4 ASP A 81 GLY A 97 1 17 HELIX 5 5 ASP A 115 THR A 128 1 14 HELIX 6 6 THR A 139 ILE A 176 1 38 HELIX 7 7 ILE A 176 LEU A 184 1 9 HELIX 8 8 GLU A 191 VAL A 210 1 20 HELIX 9 9 VAL A 210 ASP A 222 1 13 HELIX 10 10 SER A 224 THR A 237 1 14 HELIX 11 11 ALA A 256 LEU A 283 1 28 HELIX 12 12 THR B 31 GLN B 55 1 25 HELIX 13 13 GLN B 55 ARG B 74 1 20 HELIX 14 14 GLU B 83 GLY B 97 1 15 HELIX 15 15 ASP B 115 THR B 128 1 14 HELIX 16 16 THR B 139 VAL B 152 1 14 HELIX 17 17 GLY B 153 LEU B 168 1 16 HELIX 18 18 GLY B 169 SER B 171 5 3 HELIX 19 19 LEU B 172 GLY B 177 1 6 HELIX 20 20 VAL B 195 LEU B 207 1 13 HELIX 21 21 VAL B 210 ASP B 222 1 13 HELIX 22 22 SER B 224 THR B 237 1 14 HELIX 23 23 TYR B 257 LEU B 283 1 27 SSBOND 1 CYS A 78 CYS B 78 1555 1555 2.03 LINK O THR A 129 K K A 313 1555 1555 3.22 LINK O THR A 129 K K A 314 1555 1555 3.29 LINK OG1 THR A 129 K K A 314 1555 1555 3.39 LINK O ILE A 130 K K A 312 1555 1555 2.87 LINK O ILE A 130 K K A 313 1555 1555 2.86 LINK O GLY A 131 K K A 311 1555 1555 3.19 LINK O GLY A 131 K K A 312 1555 1555 3.01 LINK O TYR A 132 K K A 311 1555 1555 3.02 LINK O THR A 238 K K A 313 1555 1555 3.08 LINK O THR A 238 K K A 314 1555 1555 3.11 LINK OG1 THR A 238 K K A 314 1555 1555 3.19 LINK O VAL A 239 K K A 312 1555 1555 3.00 LINK O VAL A 239 K K A 313 1555 1555 2.62 LINK O GLY A 240 K K A 311 1555 1555 3.36 LINK O GLY A 240 K K A 312 1555 1555 2.90 LINK O PHE A 241 K K A 311 1555 1555 3.02 LINK K K A 311 O TYR B 132 1555 1555 3.43 LINK K K A 311 O GLY B 240 1555 1555 3.40 LINK K K A 311 O PHE B 241 1555 1555 3.38 LINK K K A 312 O ILE B 130 1555 1555 3.09 LINK K K A 312 O GLY B 131 1555 1555 3.07 LINK K K A 312 O VAL B 239 1555 1555 3.17 LINK K K A 312 O GLY B 240 1555 1555 3.13 LINK K K A 313 O THR B 129 1555 1555 3.01 LINK K K A 313 O ILE B 130 1555 1555 3.03 LINK K K A 313 O THR B 238 1555 1555 3.13 LINK K K A 313 O VAL B 239 1555 1555 3.00 LINK K K A 314 OG1 THR B 129 1555 1555 3.09 LINK K K A 314 O THR B 129 1555 1555 3.17 LINK K K A 314 OG1 THR B 238 1555 1555 3.27 LINK K K A 314 O THR B 238 1555 1555 3.38 SITE 1 AC1 9 GLY A 131 TYR A 132 GLY A 240 PHE A 241 SITE 2 AC1 9 K A 312 GLY B 131 TYR B 132 GLY B 240 SITE 3 AC1 9 PHE B 241 SITE 1 AC2 10 ILE A 130 GLY A 131 VAL A 239 GLY A 240 SITE 2 AC2 10 K A 311 K A 313 ILE B 130 GLY B 131 SITE 3 AC2 10 VAL B 239 GLY B 240 SITE 1 AC3 9 THR A 129 ILE A 130 THR A 238 VAL A 239 SITE 2 AC3 9 K A 312 THR B 129 ILE B 130 THR B 238 SITE 3 AC3 9 VAL B 239 SITE 1 AC4 4 THR A 129 THR A 238 THR B 129 THR B 238 CRYST1 87.938 130.852 132.779 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 0.011372 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007642 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007531 0.00000