HEADER METAL BINDING PROTEIN 22-NOV-18 6N5W TITLE CRYSTAL STRUCTURE OF THE CA2+/CAM COMPLEX WITH INDEPENDENT PEPTIDES OF TITLE 2 KV7.4 (KCNQ4) A & B DOMAINS COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: KQT-LIKE 4,POTASSIUM CHANNEL SUBUNIT ALPHA KVLQT4,VOLTAGE- COMPND 5 GATED POTASSIUM CHANNEL SUBUNIT KV7.4; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 4; COMPND 9 CHAIN: B; COMPND 10 SYNONYM: KQT-LIKE 4,POTASSIUM CHANNEL SUBUNIT ALPHA KVLQT4,VOLTAGE- COMPND 11 GATED POTASSIUM CHANNEL SUBUNIT KV7.4; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: CALMODULIN-1; COMPND 15 CHAIN: C; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 4 ORGANISM_COMMON: HUMAN; SOURCE 5 ORGANISM_TAXID: 9606; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_COMMON: HUMAN; SOURCE 10 ORGANISM_TAXID: 9606; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: CALM1, CALM, CAM, CAM1; SOURCE 16 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 18 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 19 EXPRESSION_SYSTEM_PLASMID: PETGQ.HCAM KEYWDS ION CHANNEL, CALMODULIN, KCNQ4 PEPTIDES, COMPLEX, METAL BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.B.TAYLOR,C.R.ARCHER,M.S.SHAPIRO REVDAT 4 11-OCT-23 6N5W 1 REMARK REVDAT 3 04-DEC-19 6N5W 1 REMARK REVDAT 2 24-APR-19 6N5W 1 JRNL REVDAT 1 13-MAR-19 6N5W 0 JRNL AUTH C.R.ARCHER,B.T.ENSLOW,A.B.TAYLOR,V.DE LA ROSA, JRNL AUTH 2 A.BHATTACHARYA,M.S.SHAPIRO JRNL TITL A MUTUALLY INDUCED CONFORMATIONAL FIT UNDERLIES JRNL TITL 2 CA2+-DIRECTED INTERACTIONS BETWEEN CALMODULIN AND THE JRNL TITL 3 PROXIMAL C TERMINUS OF KCNQ4 K+CHANNELS. JRNL REF J. BIOL. CHEM. V. 294 6094 2019 JRNL REFN ESSN 1083-351X JRNL PMID 30808708 JRNL DOI 10.1074/JBC.RA118.006857 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.13_2998: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.28 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 11810 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.237 REMARK 3 R VALUE (WORKING SET) : 0.233 REMARK 3 FREE R VALUE : 0.274 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.980 REMARK 3 FREE R VALUE TEST SET COUNT : 1179 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 41.2861 - 4.2986 0.99 1416 176 0.1965 0.2035 REMARK 3 2 4.2986 - 3.4124 1.00 1386 118 0.1943 0.2694 REMARK 3 3 3.4124 - 2.9812 1.00 1281 177 0.2612 0.3274 REMARK 3 4 2.9812 - 2.7087 1.00 1360 118 0.2710 0.3411 REMARK 3 5 2.7087 - 2.5146 1.00 1284 177 0.2796 0.3513 REMARK 3 6 2.5146 - 2.3664 1.00 1319 118 0.2990 0.2985 REMARK 3 7 2.3664 - 2.2479 1.00 1259 177 0.3181 0.3433 REMARK 3 8 2.2479 - 2.1500 1.00 1326 118 0.3425 0.3921 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.340 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 30.300 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 45.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 59.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.010 1514 REMARK 3 ANGLE : 1.127 2032 REMARK 3 CHIRALITY : 0.077 227 REMARK 3 PLANARITY : 0.005 269 REMARK 3 DIHEDRAL : 23.281 581 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 4 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 338 THROUGH 356 ) REMARK 3 ORIGIN FOR THE GROUP (A): -18.6051 20.8231 -5.8396 REMARK 3 T TENSOR REMARK 3 T11: 0.5073 T22: 0.3210 REMARK 3 T33: 0.2434 T12: 0.1133 REMARK 3 T13: -0.0137 T23: 0.0996 REMARK 3 L TENSOR REMARK 3 L11: 1.0106 L22: 1.3045 REMARK 3 L33: 0.4599 L12: 0.8776 REMARK 3 L13: -0.4319 L23: -0.4832 REMARK 3 S TENSOR REMARK 3 S11: -0.2658 S12: 0.0964 S13: -0.1637 REMARK 3 S21: -0.3948 S22: 0.6325 S23: -0.0231 REMARK 3 S31: -0.3436 S32: -0.5646 S33: 0.1366 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'B' AND (RESID 525 THROUGH 549 ) REMARK 3 ORIGIN FOR THE GROUP (A): -14.0423 10.4558 -9.6824 REMARK 3 T TENSOR REMARK 3 T11: 0.3744 T22: 0.3747 REMARK 3 T33: 0.3050 T12: -0.0352 REMARK 3 T13: 0.0123 T23: 0.0293 REMARK 3 L TENSOR REMARK 3 L11: 0.2397 L22: 0.1502 REMARK 3 L33: 0.3399 L12: -0.1532 REMARK 3 L13: -0.2043 L23: 0.2242 REMARK 3 S TENSOR REMARK 3 S11: 0.1014 S12: 0.0503 S13: 0.0095 REMARK 3 S21: 0.5764 S22: -0.3538 S23: -0.4282 REMARK 3 S31: -0.1181 S32: -0.0542 S33: 0.0000 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'C' AND (RESID 4 THROUGH 78 ) REMARK 3 ORIGIN FOR THE GROUP (A): -9.1494 6.1267 -15.8142 REMARK 3 T TENSOR REMARK 3 T11: 0.2917 T22: 0.3491 REMARK 3 T33: 0.3907 T12: -0.0269 REMARK 3 T13: 0.0384 T23: 0.0595 REMARK 3 L TENSOR REMARK 3 L11: 1.7814 L22: 1.0201 REMARK 3 L33: 0.7380 L12: -0.1787 REMARK 3 L13: -0.5766 L23: 0.4042 REMARK 3 S TENSOR REMARK 3 S11: 0.0631 S12: 0.2590 S13: 0.0710 REMARK 3 S21: 0.1034 S22: -0.0651 S23: -0.2743 REMARK 3 S31: -0.0882 S32: 0.0030 S33: -0.0000 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'C' AND (RESID 79 THROUGH 147 ) REMARK 3 ORIGIN FOR THE GROUP (A): -19.6985 25.8706 1.7816 REMARK 3 T TENSOR REMARK 3 T11: 0.6673 T22: 0.4170 REMARK 3 T33: 0.5055 T12: 0.1321 REMARK 3 T13: 0.1625 T23: 0.2392 REMARK 3 L TENSOR REMARK 3 L11: 1.6641 L22: 0.5847 REMARK 3 L33: 4.5717 L12: -0.2153 REMARK 3 L13: -0.5771 L23: 0.9296 REMARK 3 S TENSOR REMARK 3 S11: 0.4137 S12: -0.1814 S13: 0.1446 REMARK 3 S21: 0.2120 S22: 0.2725 S23: 0.1581 REMARK 3 S31: -1.3472 S32: -0.2506 S33: 2.0627 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 6N5W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-NOV-18. REMARK 100 THE DEPOSITION ID IS D_1000238239. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-MAR-16 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 : 24-ID-E REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11851 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 43.520 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.15700 REMARK 200 FOR THE DATA SET : 8.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 1.07300 REMARK 200 FOR SHELL : 2.000 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: 4UMO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.3 M SODIUM CITRATE, 0.1 M HEPES PH REMARK 280 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 21.75500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 65.28500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.75500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 65.28500 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4990 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10080 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -72.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 GLU A 336 REMARK 465 LYS A 337 REMARK 465 MET A 357 REMARK 465 SER A 358 REMARK 465 ARG A 359 REMARK 465 ALA A 360 REMARK 465 TYR A 361 REMARK 465 LEU A 362 REMARK 465 ASP B 524 REMARK 465 MET C 0 REMARK 465 ALA C 1 REMARK 465 ASP C 2 REMARK 465 GLN C 3 REMARK 465 LYS C 148 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 LYS C 75 -124.87 52.33 REMARK 500 ARG C 90 -37.45 -37.36 REMARK 500 ASN C 137 93.38 -68.59 REMARK 500 THR C 146 54.44 -91.67 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 C 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 20 OD1 REMARK 620 2 ASP C 22 OD1 71.6 REMARK 620 3 ASP C 24 OD1 77.5 74.8 REMARK 620 4 THR C 26 O 87.8 152.0 82.5 REMARK 620 5 GLU C 31 OE1 96.8 81.9 156.7 120.2 REMARK 620 6 GLU C 31 OE2 117.9 132.1 150.9 74.1 51.3 REMARK 620 7 HOH C 307 O 154.0 84.5 86.8 110.7 89.5 85.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP C 56 OD1 REMARK 620 2 ASP C 58 OD1 72.2 REMARK 620 3 ASN C 60 OD1 81.6 76.4 REMARK 620 4 THR C 62 O 80.5 149.2 86.0 REMARK 620 5 GLU C 67 OE1 99.8 115.0 168.5 83.0 REMARK 620 6 GLU C 67 OE2 88.3 66.6 142.9 127.5 48.5 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA C 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA C 202 DBREF 6N5W A 336 362 UNP P56696 KCNQ4_HUMAN 336 362 DBREF 6N5W B 524 549 UNP P56696 KCNQ4_HUMAN 470 495 DBREF 6N5W C 0 148 UNP P0DP23 CALM1_HUMAN 1 149 SEQRES 1 A 27 GLU LYS ARG ARG MET PRO ALA ALA ASN LEU ILE GLN ALA SEQRES 2 A 27 ALA TRP ARG LEU TYR SER THR ASP MET SER ARG ALA TYR SEQRES 3 A 27 LEU SEQRES 1 B 26 ASP ASP ILE MET PRO ALA VAL LYS THR VAL ILE ARG SER SEQRES 2 B 26 ILE ARG ILE LEU LYS PHE LEU VAL ALA LYS ARG LYS PHE SEQRES 1 C 149 MET ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE SEQRES 2 C 149 LYS GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY SEQRES 3 C 149 THR ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER SEQRES 4 C 149 LEU GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET SEQRES 5 C 149 ILE ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP SEQRES 6 C 149 PHE PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS SEQRES 7 C 149 ASP THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG SEQRES 8 C 149 VAL PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA SEQRES 9 C 149 GLU LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU SEQRES 10 C 149 THR ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP SEQRES 11 C 149 ILE ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL SEQRES 12 C 149 GLN MET MET THR ALA LYS HET CA C 201 1 HET CA C 202 1 HETNAM CA CALCIUM ION FORMUL 4 CA 2(CA 2+) FORMUL 6 HOH *23(H2 O) HELIX 1 AA1 ARG A 338 SER A 354 1 17 HELIX 2 AA2 ILE B 526 PHE B 549 1 24 HELIX 3 AA3 THR C 5 ASP C 20 1 16 HELIX 4 AA4 THR C 28 LEU C 39 1 12 HELIX 5 AA5 THR C 44 ASP C 56 1 13 HELIX 6 AA6 PHE C 65 LYS C 75 1 11 HELIX 7 AA7 ASP C 80 VAL C 91 1 12 HELIX 8 AA8 ALA C 102 LEU C 112 1 11 HELIX 9 AA9 THR C 117 ASP C 129 1 13 HELIX 10 AB1 TYR C 138 THR C 146 1 9 SHEET 1 AA1 2 THR C 26 ILE C 27 0 SHEET 2 AA1 2 ILE C 63 ASP C 64 -1 O ILE C 63 N ILE C 27 SHEET 1 AA2 2 TYR C 99 SER C 101 0 SHEET 2 AA2 2 GLN C 135 ASN C 137 -1 O VAL C 136 N ILE C 100 LINK OD1 ASP C 20 CA CA C 201 1555 1555 2.44 LINK OD1 ASP C 22 CA CA C 201 1555 1555 2.16 LINK OD1 ASP C 24 CA CA C 201 1555 1555 2.55 LINK O THR C 26 CA CA C 201 1555 1555 2.30 LINK OE1 GLU C 31 CA CA C 201 1555 1555 2.68 LINK OE2 GLU C 31 CA CA C 201 1555 1555 2.35 LINK OD1 ASP C 56 CA CA C 202 1555 1555 2.42 LINK OD1 ASP C 58 CA CA C 202 1555 1555 2.48 LINK OD1 ASN C 60 CA CA C 202 1555 1555 2.50 LINK O THR C 62 CA CA C 202 1555 1555 2.48 LINK OE1 GLU C 67 CA CA C 202 1555 1555 2.63 LINK OE2 GLU C 67 CA CA C 202 1555 1555 2.70 LINK CA CA C 201 O HOH C 307 1555 1555 2.70 SITE 1 AC1 6 ASP C 20 ASP C 22 ASP C 24 THR C 26 SITE 2 AC1 6 GLU C 31 HOH C 307 SITE 1 AC2 5 ASP C 56 ASP C 58 ASN C 60 THR C 62 SITE 2 AC2 5 GLU C 67 CRYST1 43.510 130.570 36.160 90.00 90.00 90.00 P 21 21 2 4 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 0.022983 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007659 0.000000 0.00000 SCALE3 0.000000 0.000000 0.027655 0.00000