HEADER PROTEIN BINDING 20-AUG-12 4GOW TITLE CRYSTAL STRUCTURE OF CA2+/CAM:KV7.4 (KCNQ4) B HELIX COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: CALMODULIN; COMPND 3 CHAIN: D; COMPND 4 SYNONYM: CAM; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4; COMPND 8 CHAIN: A; COMPND 9 FRAGMENT: UNP RESIDUES 522-593; COMPND 10 SYNONYM: KQT-LIKE 4, POTASSIUM CHANNEL SUBUNIT ALPHA KVLQT4, VOLTAGE- COMPND 11 GATED POTASSIUM CHANNEL SUBUNIT KV7.4; COMPND 12 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: CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, SOURCE 6 CAM3, CAMC, CAMIII; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET28; SOURCE 12 MOL_ID: 2; SOURCE 13 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 14 ORGANISM_COMMON: HUMAN; SOURCE 15 ORGANISM_TAXID: 9606; SOURCE 16 GENE: KCNQ4; SOURCE 17 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 18 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 19 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 20 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 21 EXPRESSION_SYSTEM_PLASMID: PET28 KEYWDS PROTEIN COMPLEX, PROTEIN BINDING, ION CHANNEL, CALMODULIN, POTASSIUM KEYWDS 2 CHANNEL EXPDTA X-RAY DIFFRACTION AUTHOR Q.XU,A.CHANG,A.TOLIA,D.L.MINOR JR. REVDAT 3 28-FEB-24 4GOW 1 REMARK LINK REVDAT 2 22-MAY-13 4GOW 1 JRNL REVDAT 1 12-DEC-12 4GOW 0 JRNL AUTH Q.XU,A.CHANG,A.TOLIA,D.L.MINOR JRNL TITL STRUCTURE OF A CA(2+)/CAM:KV7.4 (KCNQ4) B-HELIX COMPLEX JRNL TITL 2 PROVIDES INSIGHT INTO M CURRENT MODULATION. JRNL REF J.MOL.BIOL. V. 425 378 2013 JRNL REFN ISSN 0022-2836 JRNL PMID 23178170 JRNL DOI 10.1016/J.JMB.2012.11.023 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.7.2_869 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.09 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 11699 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.238 REMARK 3 R VALUE (WORKING SET) : 0.236 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 562 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 48.1011 - 4.1268 1.00 2932 157 0.2175 0.2201 REMARK 3 2 4.1268 - 3.2758 1.00 2758 139 0.2214 0.2889 REMARK 3 3 3.2758 - 2.8617 1.00 2755 118 0.2788 0.3394 REMARK 3 4 2.8617 - 2.6001 1.00 2692 148 0.3252 0.4055 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.20 REMARK 3 SHRINKAGE RADIUS : 0.98 REMARK 3 K_SOL : 0.35 REMARK 3 B_SOL : 55.17 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.570 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.710 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) : -3.82600 REMARK 3 B22 (A**2) : -3.82600 REMARK 3 B33 (A**2) : 7.65190 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 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 1351 REMARK 3 ANGLE : 0.790 1809 REMARK 3 CHIRALITY : 0.055 202 REMARK 3 PLANARITY : 0.003 241 REMARK 3 DIHEDRAL : 19.503 522 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'D' AND (RESSEQ 3:78) REMARK 3 ORIGIN FOR THE GROUP (A): -34.6552 27.7043 -4.8043 REMARK 3 T TENSOR REMARK 3 T11: 0.2971 T22: 0.2269 REMARK 3 T33: 0.2564 T12: -0.0618 REMARK 3 T13: -0.2212 T23: 0.0273 REMARK 3 L TENSOR REMARK 3 L11: 4.5014 L22: 6.6490 REMARK 3 L33: 4.3616 L12: 0.4108 REMARK 3 L13: -0.3667 L23: 0.0144 REMARK 3 S TENSOR REMARK 3 S11: -0.2434 S12: 0.4209 S13: 0.2464 REMARK 3 S21: -0.2187 S22: 0.5699 S23: 0.4436 REMARK 3 S31: 0.2098 S32: 0.0766 S33: -0.2663 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'D' AND (RESSEQ 81:146) REMARK 3 ORIGIN FOR THE GROUP (A): -14.7476 27.5230 5.6861 REMARK 3 T TENSOR REMARK 3 T11: 0.4320 T22: 0.6931 REMARK 3 T33: 0.3349 T12: -0.1136 REMARK 3 T13: -0.1189 T23: 0.0161 REMARK 3 L TENSOR REMARK 3 L11: 4.7442 L22: 4.4483 REMARK 3 L33: 2.9159 L12: 1.9305 REMARK 3 L13: 0.9674 L23: 0.2493 REMARK 3 S TENSOR REMARK 3 S11: 0.3294 S12: 0.8231 S13: -0.4348 REMARK 3 S21: -0.2621 S22: -0.3290 S23: -0.1692 REMARK 3 S31: 0.6169 S32: -0.2184 S33: 0.0580 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESSEQ 524:549) REMARK 3 ORIGIN FOR THE GROUP (A): -34.0704 27.3885 2.9346 REMARK 3 T TENSOR REMARK 3 T11: 0.3057 T22: 0.2511 REMARK 3 T33: 0.2640 T12: 0.0607 REMARK 3 T13: -0.1783 T23: 0.0142 REMARK 3 L TENSOR REMARK 3 L11: 2.8297 L22: 7.0852 REMARK 3 L33: 6.7579 L12: 1.0775 REMARK 3 L13: -1.5615 L23: -1.3172 REMARK 3 S TENSOR REMARK 3 S11: 0.2694 S12: -0.4431 S13: -0.4162 REMARK 3 S21: 0.8272 S22: -0.0125 S23: 0.0322 REMARK 3 S31: 0.1707 S32: 0.2715 S33: -0.1075 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 4GOW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-AUG-12. REMARK 100 THE DEPOSITION ID IS D_1000074455. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.006 REMARK 200 MONOCHROMATOR : LN2-COOLED MONOCHROMATOR REMARK 200 SI(220), PHI=0 OR 90 DEGREES REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM 3.3.9 REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.9 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11737 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 90.131 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 16.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10300 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.9000 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) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.70 REMARK 200 R MERGE FOR SHELL (I) : 0.96500 REMARK 200 R SYM FOR SHELL (I) : 0.96500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 0.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6M AMMONIUM SULFATE, 0.2M SODIUM REMARK 280 CITRATE (PH 6.0), 0.1M SODIUM TARTRATE, 4% ISOPROPANOL, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 75.81933 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 37.90967 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 56.86450 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 18.95483 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 94.77417 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 75.81933 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 37.90967 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 18.95483 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 56.86450 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 94.77417 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: 3280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -72.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, A 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 THR D 79 REMARK 465 ASP D 80 REMARK 465 THR A 522 REMARK 465 VAL A 523 REMARK 465 LYS A 550 REMARK 465 GLU A 551 REMARK 465 THR A 552 REMARK 465 LEU A 553 REMARK 465 ARG A 554 REMARK 465 PRO A 555 REMARK 465 TYR A 556 REMARK 465 ASP A 557 REMARK 465 VAL A 558 REMARK 465 LYS A 559 REMARK 465 ASP A 560 REMARK 465 VAL A 561 REMARK 465 ILE A 562 REMARK 465 GLU A 563 REMARK 465 GLN A 564 REMARK 465 TYR A 565 REMARK 465 SER A 566 REMARK 465 ALA A 567 REMARK 465 GLY A 568 REMARK 465 HIS A 569 REMARK 465 LEU A 570 REMARK 465 ASP A 571 REMARK 465 MET A 572 REMARK 465 LEU A 573 REMARK 465 GLY A 574 REMARK 465 ARG A 575 REMARK 465 ILE A 576 REMARK 465 LYS A 577 REMARK 465 SER A 578 REMARK 465 LEU A 579 REMARK 465 GLN A 580 REMARK 465 THR A 581 REMARK 465 ARG A 582 REMARK 465 VAL A 583 REMARK 465 ASP A 584 REMARK 465 GLN A 585 REMARK 465 ILE A 586 REMARK 465 VAL A 587 REMARK 465 GLY A 588 REMARK 465 ARG A 589 REMARK 465 GLY A 590 REMARK 465 PRO A 591 REMARK 465 GLY A 592 REMARK 465 ASP A 593 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ASP D 20 74.04 -69.45 REMARK 500 LYS D 75 54.92 -119.63 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 CA D 204 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP D 131 OD1 REMARK 620 2 ASP D 131 OD2 40.7 REMARK 620 3 ASP D 133 OD2 91.7 55.6 REMARK 620 4 ASP D 133 OD1 101.6 83.4 40.6 REMARK 620 5 GLU D 140 OE1 97.1 82.2 94.6 131.0 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 204 DBREF 4GOW D 3 146 UNP P62158 CALM_HUMAN 4 147 DBREF 4GOW A 522 593 UNP P56696 KCNQ4_HUMAN 522 593 SEQRES 1 D 144 GLN LEU THR GLU GLU GLN ILE ALA GLU PHE LYS GLU ALA SEQRES 2 D 144 PHE SER LEU PHE ASP LYS ASP GLY ASP GLY THR ILE THR SEQRES 3 D 144 THR LYS GLU LEU GLY THR VAL MET ARG SER LEU GLY GLN SEQRES 4 D 144 ASN PRO THR GLU ALA GLU LEU GLN ASP MET ILE ASN GLU SEQRES 5 D 144 VAL ASP ALA ASP GLY ASN GLY THR ILE ASP PHE PRO GLU SEQRES 6 D 144 PHE LEU THR MET MET ALA ARG LYS MET LYS ASP THR ASP SEQRES 7 D 144 SER GLU GLU GLU ILE ARG GLU ALA PHE ARG VAL PHE ASP SEQRES 8 D 144 LYS ASP GLY ASN GLY TYR ILE SER ALA ALA GLU LEU ARG SEQRES 9 D 144 HIS VAL MET THR ASN LEU GLY GLU LYS LEU THR ASP GLU SEQRES 10 D 144 GLU VAL ASP GLU MET ILE ARG GLU ALA ASP ILE ASP GLY SEQRES 11 D 144 ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL GLN MET MET SEQRES 12 D 144 THR SEQRES 1 A 72 THR VAL ASP ASP ILE MET PRO ALA VAL LYS THR VAL ILE SEQRES 2 A 72 ARG SER ILE ARG ILE LEU LYS PHE LEU VAL ALA LYS ARG SEQRES 3 A 72 LYS PHE LYS GLU THR LEU ARG PRO TYR ASP VAL LYS ASP SEQRES 4 A 72 VAL ILE GLU GLN TYR SER ALA GLY HIS LEU ASP MET LEU SEQRES 5 A 72 GLY ARG ILE LYS SER LEU GLN THR ARG VAL ASP GLN ILE SEQRES 6 A 72 VAL GLY ARG GLY PRO GLY ASP HET CA D 201 1 HET CA D 202 1 HET CA D 203 1 HET CA D 204 1 HETNAM CA CALCIUM ION FORMUL 3 CA 4(CA 2+) FORMUL 7 HOH *18(H2 O) HELIX 1 1 THR D 5 ASP D 20 1 16 HELIX 2 2 THR D 28 LEU D 39 1 12 HELIX 3 3 THR D 44 ASP D 56 1 13 HELIX 4 4 PHE D 65 LYS D 75 1 11 HELIX 5 5 GLU D 82 ASP D 93 1 12 HELIX 6 6 SER D 101 GLY D 113 1 13 HELIX 7 7 THR D 117 ASP D 129 1 13 HELIX 8 8 ASN D 137 THR D 146 1 10 HELIX 9 9 ASP A 525 PHE A 549 1 25 SHEET 1 A 2 THR D 26 ILE D 27 0 SHEET 2 A 2 ILE D 63 ASP D 64 -1 O ILE D 63 N ILE D 27 LINK OD1 ASN D 60 CA CA D 202 1555 1555 3.18 LINK OD1 ASP D 131 CA CA D 204 1555 1555 3.14 LINK OD2 ASP D 131 CA CA D 204 1555 1555 3.19 LINK OD2 ASP D 133 CA CA D 204 1555 1555 3.13 LINK OD1 ASP D 133 CA CA D 204 1555 1555 3.20 LINK OE1 GLU D 140 CA CA D 204 1555 1555 3.18 SITE 1 AC1 5 ASP D 22 ASP D 24 THR D 26 THR D 28 SITE 2 AC1 5 GLU D 31 SITE 1 AC2 6 ASP D 56 ASP D 58 ASN D 60 THR D 62 SITE 2 AC2 6 ASP D 64 GLU D 67 SITE 1 AC3 4 ASP D 95 ASN D 97 GLU D 104 GLN D 135 SITE 1 AC4 5 ASP D 131 ASP D 133 GLN D 135 ASN D 137 SITE 2 AC4 5 GLU D 140 CRYST1 104.075 104.075 113.729 90.00 90.00 120.00 P 65 2 2 12 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 0.009608 0.005547 0.000000 0.00000 SCALE2 0.000000 0.011095 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008793 0.00000