HEADER TRANSPORT PROTEIN, CALCIUM BINDING PROTE28-APR-17 5VMS TITLE CRYOEM STRUCTURE OF XENOPUS KCNQ1 CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 67-610; COMPND 5 SYNONYM: IKS PRODUCING SLOW VOLTAGE-GATED POTASSIUM CHANNEL SUBUNIT COMPND 6 ALPHA XKVLQT1, KQT-LIKE 1, VOLTAGE-GATED POTASSIUM CHANNEL SUBUNIT COMPND 7 KV7.1, KCNQ1; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: CALMODULIN; COMPND 11 CHAIN: B; COMPND 12 SYNONYM: CAM; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 3 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 4 ORGANISM_TAXID: 8355; SOURCE 5 GENE: KCNQ1, KVLQT1; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 9 EXPRESSION_SYSTEM_CELL_LINE: HEK293 GNTI-; SOURCE 10 EXPRESSION_SYSTEM_ATCC_NUMBER: CRL-3022; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, SOURCE 16 CAM3, CAMC, CAMIII; SOURCE 17 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 18 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 19 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS KCNQ1-CAM COMPLEX, POTASSIUM CHANNEL, LONG QT SYNDROME, TRANSPORT KEYWDS 2 PROTEIN, CALCIUM BINDING PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR R.MACKINNON,J.SUN REVDAT 5 13-MAR-24 5VMS 1 REMARK REVDAT 4 20-NOV-19 5VMS 1 REMARK REVDAT 3 24-OCT-18 5VMS 1 JRNL CRYST1 REVDAT 2 13-SEP-17 5VMS 1 REMARK REVDAT 1 07-JUN-17 5VMS 0 JRNL AUTH J.SUN,R.MACKINNON JRNL TITL CRYO-EM STRUCTURE OF A KCNQ1/CAM COMPLEX REVEALS INSIGHTS JRNL TITL 2 INTO CONGENITAL LONG QT SYNDROME. JRNL REF CELL V. 169 1042 2017 JRNL REFN ISSN 1097-4172 JRNL PMID 28575668 JRNL DOI 10.1016/J.CELL.2017.05.019 REMARK 2 REMARK 2 RESOLUTION. 3.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, FREALIGN REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.700 REMARK 3 NUMBER OF PARTICLES : 69415 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: ENTRY WAS REFINED USING SPACE GROUP P4 AND CELL REMARK 3 PARAMETERS A=B=C=332.8 AND ALPHA=BETA=GAMMA=90. REMARK 4 REMARK 4 5VMS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAY-17. REMARK 100 THE DEPOSITION ID IS D_1000227675. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : COMPLEX OF XENOPUS KCNQ1 AND REMARK 245 CAM REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 5.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : 90-100% HUMIDITY REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.20 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : DIRECT ELECTRON DE-64 (8K X REMARK 245 8K) REMARK 245 MINIMUM DEFOCUS (NM) : NULL REMARK 245 MAXIMUM DEFOCUS (NM) : NULL REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 178.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. 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 300 THE ASSEMBLY REPRESENTED IN THIS ENTRY HAS REGULAR REMARK 300 CYCLIC POINT SYMMETRY (SCHOENFLIES SYMBOL = C4). 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 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 332.80000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -1.000000 0.000000 0.000000 332.79999 REMARK 350 BIOMT2 3 0.000000 -1.000000 0.000000 332.80001 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 332.80000 REMARK 350 BIOMT3 4 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 66 REMARK 465 ALA A 67 REMARK 465 THR A 68 REMARK 465 ASP A 69 REMARK 465 PRO A 70 REMARK 465 PRO A 71 REMARK 465 ARG A 72 REMARK 465 PRO A 73 REMARK 465 THR A 74 REMARK 465 ILE A 75 REMARK 465 ASN A 76 REMARK 465 LEU A 77 REMARK 465 ASP A 78 REMARK 465 PRO A 79 REMARK 465 ARG A 80 REMARK 465 VAL A 81 REMARK 465 SER A 82 REMARK 465 ILE A 83 REMARK 465 TYR A 84 REMARK 465 SER A 85 REMARK 465 GLY A 86 REMARK 465 ARG A 87 REMARK 465 ARG A 88 REMARK 465 PRO A 89 REMARK 465 LEU A 90 REMARK 465 LEU A 91 REMARK 465 SER A 92 REMARK 465 ARG A 93 REMARK 465 SER A 207 REMARK 465 ASN A 208 REMARK 465 GLY A 209 REMARK 465 GLN A 210 REMARK 465 VAL A 211 REMARK 465 PHE A 212 REMARK 465 ALA A 213 REMARK 465 THR A 214 REMARK 465 TYR A 385 REMARK 465 ILE A 386 REMARK 465 ARG A 387 REMARK 465 LYS A 388 REMARK 465 GLN A 389 REMARK 465 SER A 390 REMARK 465 ARG A 391 REMARK 465 ASN A 392 REMARK 465 HIS A 393 REMARK 465 HIS A 394 REMARK 465 LEU A 395 REMARK 465 MET A 396 REMARK 465 SER A 397 REMARK 465 PRO A 398 REMARK 465 SER A 399 REMARK 465 PRO A 400 REMARK 465 LYS A 401 REMARK 465 PRO A 402 REMARK 465 LYS A 403 REMARK 465 LYS A 404 REMARK 465 SER A 405 REMARK 465 ALA A 406 REMARK 465 MET A 407 REMARK 465 VAL A 408 REMARK 465 LYS A 409 REMARK 465 LYS A 410 REMARK 465 LYS A 411 REMARK 465 LYS A 412 REMARK 465 ILE A 413 REMARK 465 ARG A 414 REMARK 465 THR A 415 REMARK 465 GLU A 416 REMARK 465 ARG A 417 REMARK 465 ASP A 418 REMARK 465 GLU A 419 REMARK 465 GLY A 420 REMARK 465 SER A 421 REMARK 465 THR A 422 REMARK 465 ASP A 423 REMARK 465 LYS A 424 REMARK 465 MET A 425 REMARK 465 LEU A 426 REMARK 465 ASN A 427 REMARK 465 ILE A 428 REMARK 465 PRO A 429 REMARK 465 HIS A 430 REMARK 465 ILE A 431 REMARK 465 THR A 432 REMARK 465 TYR A 433 REMARK 465 ASP A 434 REMARK 465 HIS A 435 REMARK 465 VAL A 436 REMARK 465 ALA A 437 REMARK 465 ASP A 438 REMARK 465 ASP A 439 REMARK 465 ARG A 440 REMARK 465 LYS A 441 REMARK 465 ASN A 442 REMARK 465 ASP A 443 REMARK 465 GLY A 444 REMARK 465 TYR A 445 REMARK 465 SER A 446 REMARK 465 VAL A 447 REMARK 465 GLU A 448 REMARK 465 SER A 449 REMARK 465 TYR A 450 REMARK 465 GLU A 451 REMARK 465 ASN A 452 REMARK 465 THR A 453 REMARK 465 VAL A 454 REMARK 465 ARG A 455 REMARK 465 LYS A 456 REMARK 465 PRO A 457 REMARK 465 PHE A 458 REMARK 465 GLY A 459 REMARK 465 PHE A 460 REMARK 465 LEU A 461 REMARK 465 ASP A 462 REMARK 465 PRO A 463 REMARK 465 SER A 464 REMARK 465 THR A 465 REMARK 465 GLY A 466 REMARK 465 PRO A 467 REMARK 465 PHE A 468 REMARK 465 ILE A 469 REMARK 465 ARG A 470 REMARK 465 THR A 471 REMARK 465 SER A 472 REMARK 465 SER A 473 REMARK 465 PHE A 474 REMARK 465 THR A 475 REMARK 465 ASP A 476 REMARK 465 ASP A 477 REMARK 465 LEU A 478 REMARK 465 ASP A 479 REMARK 465 MET A 480 REMARK 465 GLU A 481 REMARK 465 GLY A 482 REMARK 465 ASP A 483 REMARK 465 THR A 484 REMARK 465 LEU A 485 REMARK 465 LEU A 486 REMARK 465 THR A 487 REMARK 465 PRO A 488 REMARK 465 ILE A 489 REMARK 465 THR A 490 REMARK 465 HIS A 491 REMARK 465 ILE A 492 REMARK 465 SER A 493 REMARK 465 GLU A 494 REMARK 465 LEU A 495 REMARK 465 LYS A 496 REMARK 465 GLY A 557 REMARK 465 LYS A 558 REMARK 465 PRO A 559 REMARK 465 SER A 560 REMARK 465 LEU A 561 REMARK 465 PHE A 562 REMARK 465 LEU A 563 REMARK 465 SER A 564 REMARK 465 VAL A 565 REMARK 465 SER A 566 REMARK 465 ASP A 567 REMARK 465 LYS A 568 REMARK 465 VAL A 569 REMARK 465 LYS A 570 REMARK 465 ASP A 571 REMARK 465 LYS A 572 REMARK 465 GLY A 573 REMARK 465 ILE A 574 REMARK 465 ASN A 575 REMARK 465 THR A 576 REMARK 465 ILE A 577 REMARK 465 GLY A 578 REMARK 465 SER A 579 REMARK 465 ARG A 580 REMARK 465 LEU A 581 REMARK 465 ASN A 582 REMARK 465 ARG A 583 REMARK 465 VAL A 584 REMARK 465 GLU A 585 REMARK 465 ASP A 586 REMARK 465 LYS A 587 REMARK 465 VAL A 588 REMARK 465 THR A 589 REMARK 465 GLN A 590 REMARK 465 MET A 591 REMARK 465 ASP A 592 REMARK 465 HIS A 593 REMARK 465 LYS A 594 REMARK 465 LEU A 595 REMARK 465 ASN A 596 REMARK 465 LEU A 597 REMARK 465 ILE A 598 REMARK 465 THR A 599 REMARK 465 ASP A 600 REMARK 465 MET A 601 REMARK 465 LEU A 602 REMARK 465 HIS A 603 REMARK 465 HIS A 604 REMARK 465 LEU A 605 REMARK 465 LEU A 606 REMARK 465 THR A 607 REMARK 465 ASN A 608 REMARK 465 GLN A 609 REMARK 465 GLN A 610 REMARK 465 SER A 611 REMARK 465 ASN A 612 REMARK 465 SER A 613 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 ASP B 3 REMARK 465 GLN B 4 REMARK 465 LEU B 5 REMARK 465 THR B 147 REMARK 465 ALA B 148 REMARK 465 LYS B 149 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 CYS A 112 SG REMARK 470 THR A 134 OG1 CG2 REMARK 470 GLN A 136 CG CD OE1 NE2 REMARK 470 GLN A 137 CG CD OE1 NE2 REMARK 470 ASN A 140 CG OD1 ND2 REMARK 470 CYS A 170 SG REMARK 470 SER A 215 OG REMARK 470 ILE A 217 CG1 CG2 CD1 REMARK 470 ARG A 218 CG CD NE CZ NH1 NH2 REMARK 470 MET A 228 CG SD CE REMARK 470 ASP A 232 CG OD1 OD2 REMARK 470 GLU A 274 CG CD OE1 OE2 REMARK 470 LYS A 275 CG CD CE NZ REMARK 470 ASP A 276 CG OD1 OD2 REMARK 470 ILE A 278 CG1 CG2 CD1 REMARK 470 ASP A 279 CG OD1 OD2 REMARK 470 GLU A 283 CG CD OE1 OE2 REMARK 470 SER A 288 OG REMARK 470 LYS A 316 CG CD CE NZ REMARK 470 GLU A 375 CG CD OE1 OE2 REMARK 470 ASN A 376 CG OD1 ND2 REMARK 470 ASP A 378 CG OD1 OD2 REMARK 470 THR A 381 OG1 CG2 REMARK 470 GLU B 7 CG CD OE1 OE2 REMARK 470 GLU B 8 CG CD OE1 OE2 REMARK 470 GLU B 15 CG CD OE1 OE2 REMARK 470 ASP B 21 CG OD1 OD2 REMARK 470 LYS B 22 CG CD CE NZ REMARK 470 ASP B 23 CG OD1 OD2 REMARK 470 ASP B 25 CG OD1 OD2 REMARK 470 GLU B 32 CG CD OE1 OE2 REMARK 470 ASN B 43 CG OD1 ND2 REMARK 470 GLU B 55 CG CD OE1 OE2 REMARK 470 ASP B 57 CG OD1 OD2 REMARK 470 ASP B 59 CG OD1 OD2 REMARK 470 ASP B 65 CG OD1 OD2 REMARK 470 GLU B 68 CG CD OE1 OE2 REMARK 470 LYS B 76 CG CD CE NZ REMARK 470 LYS B 78 CG CD CE NZ REMARK 470 ASP B 79 CG OD1 OD2 REMARK 470 ASP B 81 CG OD1 OD2 REMARK 470 GLU B 84 CG CD OE1 OE2 REMARK 470 GLU B 88 CG CD OE1 OE2 REMARK 470 ASP B 94 CG OD1 OD2 REMARK 470 LYS B 95 CG CD CE NZ REMARK 470 ASP B 96 CG OD1 OD2 REMARK 470 ASP B 123 CG OD1 OD2 REMARK 470 GLU B 128 CG CD OE1 OE2 REMARK 470 ASP B 130 CG OD1 OD2 REMARK 470 ASP B 132 CG OD1 OD2 REMARK 470 ASP B 134 CG OD1 OD2 REMARK 470 GLN B 136 CG CD OE1 NE2 REMARK 470 GLU B 140 CG CD OE1 OE2 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 A 232 74.38 -69.73 REMARK 500 PHE A 286 64.05 -116.20 REMARK 500 THR A 302 30.17 81.69 REMARK 500 ARG A 350 54.35 -103.77 REMARK 500 ASP A 378 47.16 -101.06 REMARK 500 ASN B 43 72.11 63.12 REMARK 500 ASN B 112 -62.24 -99.86 REMARK 500 GLU B 115 92.69 -68.19 REMARK 500 GLN B 136 90.76 -65.51 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 B 201 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 21 O REMARK 620 2 THR B 27 O 128.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 61 OD1 REMARK 620 2 THR B 63 O 78.5 REMARK 620 N 1 REMARK 650 REMARK 650 HELIX REMARK 650 DETERMINATION METHOD: AUTHOR PROVIDED. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA B 203 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-8712 RELATED DB: EMDB REMARK 900 CRYOEM STRUCTURE OF XENOPUS KCNQ1 CHANNEL DBREF 5VMS A 67 610 UNP P70057 KCNQ1_XENLA 67 610 DBREF 5VMS B 1 149 UNP P62158 CALM_HUMAN 1 149 SEQADV 5VMS MET A 66 UNP P70057 INITIATING METHIONINE SEQADV 5VMS SER A 611 UNP P70057 EXPRESSION TAG SEQADV 5VMS ASN A 612 UNP P70057 EXPRESSION TAG SEQADV 5VMS SER A 613 UNP P70057 EXPRESSION TAG SEQRES 1 A 548 MET ALA THR ASP PRO PRO ARG PRO THR ILE ASN LEU ASP SEQRES 2 A 548 PRO ARG VAL SER ILE TYR SER GLY ARG ARG PRO LEU LEU SEQRES 3 A 548 SER ARG THR ASN ILE GLN GLY ARG VAL TYR ASN PHE LEU SEQRES 4 A 548 GLU ARG PRO THR GLY TRP LYS CYS PHE VAL TYR HIS PHE SEQRES 5 A 548 THR VAL PHE LEU ILE VAL LEU ILE CYS LEU ILE PHE SER SEQRES 6 A 548 VAL LEU SER THR ILE GLN GLN TYR ASN ASN LEU ALA THR SEQRES 7 A 548 GLU THR LEU PHE TRP MET GLU ILE VAL LEU VAL VAL PHE SEQRES 8 A 548 PHE GLY ALA GLU TYR VAL VAL ARG LEU TRP SER ALA GLY SEQRES 9 A 548 CYS ARG SER LYS TYR VAL GLY VAL TRP GLY ARG LEU ARG SEQRES 10 A 548 PHE ALA ARG LYS PRO ILE SER VAL ILE ASP LEU ILE VAL SEQRES 11 A 548 VAL VAL ALA SER VAL ILE VAL LEU CYS VAL GLY SER ASN SEQRES 12 A 548 GLY GLN VAL PHE ALA THR SER ALA ILE ARG GLY ILE ARG SEQRES 13 A 548 PHE LEU GLN ILE LEU ARG MET LEU HIS VAL ASP ARG GLN SEQRES 14 A 548 GLY GLY THR TRP ARG LEU LEU GLY SER VAL VAL PHE ILE SEQRES 15 A 548 HIS ARG GLN GLU LEU ILE THR THR LEU TYR ILE GLY PHE SEQRES 16 A 548 LEU GLY LEU ILE PHE SER SER TYR PHE VAL TYR LEU ALA SEQRES 17 A 548 GLU LYS ASP ALA ILE ASP SER SER GLY GLU TYR GLN PHE SEQRES 18 A 548 GLY SER TYR ALA ASP ALA LEU TRP TRP GLY VAL VAL THR SEQRES 19 A 548 VAL THR THR ILE GLY TYR GLY ASP LYS VAL PRO GLN THR SEQRES 20 A 548 TRP ILE GLY LYS THR ILE ALA SER CYS PHE SER VAL PHE SEQRES 21 A 548 ALA ILE SER PHE PHE ALA LEU PRO ALA GLY ILE LEU GLY SEQRES 22 A 548 SER GLY PHE ALA LEU LYS VAL GLN GLN LYS GLN ARG GLN SEQRES 23 A 548 LYS HIS PHE ASN ARG GLN ILE PRO ALA ALA ALA SER LEU SEQRES 24 A 548 ILE GLN THR ALA TRP ARG CYS TYR ALA ALA GLU ASN PRO SEQRES 25 A 548 ASP SER ALA THR TRP LYS ILE TYR ILE ARG LYS GLN SER SEQRES 26 A 548 ARG ASN HIS HIS LEU MET SER PRO SER PRO LYS PRO LYS SEQRES 27 A 548 LYS SER ALA MET VAL LYS LYS LYS LYS ILE ARG THR GLU SEQRES 28 A 548 ARG ASP GLU GLY SER THR ASP LYS MET LEU ASN ILE PRO SEQRES 29 A 548 HIS ILE THR TYR ASP HIS VAL ALA ASP ASP ARG LYS ASN SEQRES 30 A 548 ASP GLY TYR SER VAL GLU SER TYR GLU ASN THR VAL ARG SEQRES 31 A 548 LYS PRO PHE GLY PHE LEU ASP PRO SER THR GLY PRO PHE SEQRES 32 A 548 ILE ARG THR SER SER PHE THR ASP ASP LEU ASP MET GLU SEQRES 33 A 548 GLY ASP THR LEU LEU THR PRO ILE THR HIS ILE SER GLU SEQRES 34 A 548 LEU LYS GLU HIS HIS ARG ALA ALA ILE LYS VAL ILE ARG SEQRES 35 A 548 ARG MET GLN TYR PHE VAL ALA LYS LYS LYS PHE GLN GLN SEQRES 36 A 548 ALA ARG LYS PRO TYR ASP VAL ARG ASP VAL ILE GLU GLN SEQRES 37 A 548 TYR SER GLN GLY HIS LEU ASN LEU MET VAL ARG ILE LYS SEQRES 38 A 548 GLU LEU GLN ARG ARG LEU ASP GLN SER LEU GLY LYS PRO SEQRES 39 A 548 SER LEU PHE LEU SER VAL SER ASP LYS VAL LYS ASP LYS SEQRES 40 A 548 GLY ILE ASN THR ILE GLY SER ARG LEU ASN ARG VAL GLU SEQRES 41 A 548 ASP LYS VAL THR GLN MET ASP HIS LYS LEU ASN LEU ILE SEQRES 42 A 548 THR ASP MET LEU HIS HIS LEU LEU THR ASN GLN GLN SER SEQRES 43 A 548 ASN SER SEQRES 1 B 149 MET ALA ASP GLN LEU THR GLU GLU GLN ILE ALA GLU PHE SEQRES 2 B 149 LYS GLU ALA PHE SER LEU PHE ASP LYS ASP GLY ASP GLY SEQRES 3 B 149 THR ILE THR THR LYS GLU LEU GLY THR VAL MET ARG SER SEQRES 4 B 149 LEU GLY GLN ASN PRO THR GLU ALA GLU LEU GLN ASP MET SEQRES 5 B 149 ILE ASN GLU VAL ASP ALA ASP GLY ASN GLY THR ILE ASP SEQRES 6 B 149 PHE PRO GLU PHE LEU THR MET MET ALA ARG LYS MET LYS SEQRES 7 B 149 ASP THR ASP SER GLU GLU GLU ILE ARG GLU ALA PHE ARG SEQRES 8 B 149 VAL PHE ASP LYS ASP GLY ASN GLY TYR ILE SER ALA ALA SEQRES 9 B 149 GLU LEU ARG HIS VAL MET THR ASN LEU GLY GLU LYS LEU SEQRES 10 B 149 THR ASP GLU GLU VAL ASP GLU MET ILE ARG GLU ALA ASP SEQRES 11 B 149 ILE ASP GLY ASP GLY GLN VAL ASN TYR GLU GLU PHE VAL SEQRES 12 B 149 GLN MET MET THR ALA LYS HET CA B 201 1 HET CA B 202 1 HET CA B 203 1 HETNAM CA CALCIUM ION FORMUL 3 CA 3(CA 2+) HELIX 1 AA1 ASN A 95 GLU A 105 1 11 HELIX 2 AA2 GLY A 109 ILE A 135 1 27 HELIX 3 AA3 GLN A 136 TYR A 138 5 3 HELIX 4 AA4 ASN A 139 ALA A 168 1 30 HELIX 5 AA5 GLY A 169 ARG A 171 5 3 HELIX 6 AA6 VAL A 175 LYS A 186 1 12 HELIX 7 AA7 ILE A 188 GLY A 206 1 19 HELIX 8 AA8 ARG A 218 MET A 228 1 11 HELIX 9 AA9 LEU A 229 ASP A 232 5 4 HELIX 10 AB1 GLY A 235 HIS A 248 1 14 HELIX 11 AB2 HIS A 248 GLU A 274 1 27 HELIX 12 AB3 SER A 288 THR A 302 1 15 HELIX 13 AB4 THR A 312 ARG A 350 1 39 HELIX 14 AB5 HIS A 353 ASN A 355 5 3 HELIX 15 AB6 ARG A 356 ASN A 376 1 21 HELIX 16 AB7 HIS A 498 LYS A 523 1 26 HELIX 17 AB8 ASP A 526 LEU A 556 1 31 HELIX 18 AB9 GLU B 7 LYS B 22 1 16 HELIX 19 AC1 THR B 29 GLY B 41 1 13 HELIX 20 AC2 THR B 45 ASP B 57 1 13 HELIX 21 AC3 ASP B 65 ARG B 75 1 11 HELIX 22 AC4 ASP B 79 ASP B 94 1 16 HELIX 23 AC5 SER B 102 LEU B 113 1 12 HELIX 24 AC6 THR B 118 ASP B 130 1 13 HELIX 25 AC7 ASN B 138 MET B 146 1 9 LINK O ASP B 21 CA CA B 201 1555 1555 2.90 LINK O THR B 27 CA CA B 201 1555 1555 2.91 LINK OD1 ASN B 61 CA CA B 202 1555 1555 2.67 LINK O THR B 63 CA CA B 202 1555 1555 2.23 LINK O ASP B 134 CA CA B 203 1555 1555 2.87 SITE 1 AC1 3 ASP B 21 ASP B 23 THR B 27 SITE 1 AC2 4 ASP B 59 ASN B 61 THR B 63 ASP B 65 SITE 1 AC3 2 ASP B 134 GLN B 136 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000