4QNH - Sequence, Chains, Asymmetric and Biological Units

• Title: CALCIUM-CALMODULIN (T79D) COMPLEXED WITH THE CALMODULIN BIND FROM A SMALL CONDUCTANCE POTASSIUM CHANNEL SK2-A
• Keywords: ION CHANNEL, ION TRANSPORT-PROTEIN BINDING COMPLEX
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4QNH	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHA PROTEIN 2	B	87	1492	0
2	Protein	CALMODULIN	R	146	2210	0
3	Ligand	SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHA PROTEIN 2	B	1	0	5
4	Ligand	CALMODULIN	R	2	0	2
5	Water			187	0	187
total				423	3702	194

Proteins

Unit 1

GLY 395 ARG 396 LYS 397 LEU 398 GLU 399 LEU 400 THR 401 LYS 402 ALA 403 GLU 404 ASP 413 THR 414 GLN 415 LEU 416 THR 417 LYS 418 ARG 419 VAL 420 LYS 421 ASN 422 ALA 423 ALA 424 ALA 425 ASN 426 VAL 427 LEU 428 ARG 429 GLU 430 THR 431 TRP 432 LEU 433 ILE 434 TYR 435 LYS 436 ASN 437 THR 438 LYS 439 LEU 440 VAL 441 LYS 442 LYS 443 ILE 444 ASP 445 HIS 446 ALA 447 LYS 448 VAL 449 ARG 450 LYS 451 HIS 452 GLN 453 ARG 454 LYS 455 PHE 456 LEU 457 GLN 458 ALA 459 ILE 460 HIS 461 GLN 462 LEU 463 ARG 464 SER 465 VAL 466 LYS 467 MET 468 GLU 469 GLN 470 ARG 471 LYS 472 LEU 473 ASN 474 ASP 475 GLN 476 ALA 477 ASN 478 THR 479 LEU 480 VAL 481 ASP 482 LEU 483 ALA 484 LYS 485 THR 486 GLN 487 LEU 488 GLU 489

Unit 2

ASP 2 GLN 3 LEU 4 THR 5 GLU 6 GLU 7 GLN 8 ILE 9 ALA 10 GLU 11 PHE 12 LYS 13 GLU 14 ALA 15 PHE 16 SER 17 LEU 18 PHE 19 ASP 20 LYS 21 ASP 22 GLY 23 ASP 24 GLY 25 THR 26 ILE 27 THR 28 THR 29 LYS 30 GLU 31 LEU 32 GLY 33 THR 34 VAL 35 MET 36 ARG 37 SER 38 LEU 39 GLY 40 GLN 41 ASN 42 PRO 43 THR 44 GLU 45 ALA 46 GLU 47 LEU 48 GLN 49 ASP 50 MET 51 ILE 52 ASN 53 GLU 54 VAL 55 ASP 56 ALA 57 ASP 58 GLY 59 ASN 60 GLY 61 THR 62 ILE 63 ASP 64 PHE 65 PRO 66 GLU 67 PHE 68 LEU 69 THR 70 MET 71 MET 72 ALA 73 ARG 74 LYS 75 MET 76 LYS 77 ASP 78 ASP 79 ASP 80 SER 81 GLU 82 GLU 83 GLU 84 ILE 85 ARG 86 GLU 87 ALA 88 PHE 89 ARG 90 VAL 91 PHE 92 ASP 93 LYS 94 ASP 95 GLY 96 ASN 97 GLY 98 TYR 99 ILE 100 SER 101 ALA 102 ALA 103 GLU 104 LEU 105 ARG 106 HIS 107 VAL 108 MET 109 THR 110 ASN 111 LEU 112 GLY 113 GLU 114 LYS 115 LEU 116 THR 117 ASP 118 GLU 119 GLU 120 VAL 121 ASP 122 GLU 123 MET 124 ILE 125 ARG 126 GLU 127 ALA 128 ASP 129 ILE 130 ASP 131 GLY 132 ASP 133 GLY 134 GLN 135 VAL 136 ASN 137 TYR 138 GLU 139 GLU 140 PHE 141 VAL 142 GLN 143 MET 144 MET 145 THR 146 ALA 147

Ligands

Unit 3	SO4 501
Unit 4	CA 1001 CA 1002