1N4K - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE INOSITOL 1,4,5-TRISPHOSPHATE RECEPTOR BINDING CORE IN COMPLEX WITH IP3
• Keywords: IP3 RECEPTOR, IP3-BINDING CORE, CALCIUM CHANNEL,PROTEIN- LIGAND COMPLEX, B-TREFOIL FOLD, ARMADILLO-LIKE FOLD, MEMBRANE PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1N4K	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	INOSITOL 1,4,5-TRISPHOSPHATE RECEPTOR TYPE 1	A	292	2355	0
2	Ligand	INOSITOL 1,4,5-TRISPHOSPHATE RECEPTOR TYPE 1	A	1	0	24
3	Water			140	0	140
total				433	2355	164

Proteins

Unit 1

GLY 236 GLY 237 ASP 238 VAL 239 VAL 240 ARG 241 LEU 242 PHE 243 HIS 244 ALA 245 GLU 246 GLN 247 GLU 248 LYS 249 PHE 250 LEU 251 THR 252 CYS 253 ASP 254 GLU 255 HIS 256 ARG 257 LYS 258 LYS 259 GLN 260 HIS 261 VAL 262 PHE 263 LEU 264 ARG 265 THR 266 THR 267 GLY 268 ARG 269 GLN 270 SER 271 ALA 272 THR 273 SER 274 ALA 275 THR 276 SER 277 SER 278 LYS 279 ALA 280 LEU 281 TRP 282 GLU 283 VAL 284 GLU 285 VAL 286 VAL 287 GLN 288 LEU 302 PHE 303 ARG 304 PHE 305 LYS 306 HIS 307 LEU 308 ALA 309 THR 310 GLY 311 HIS 312 TYR 313 LEU 314 ALA 315 ALA 316 GLU 317 VAL 318 ASP 319 MET 351 VAL 352 TYR 353 SER 354 LEU 355 VAL 356 SER 357 VAL 358 PRO 359 GLU 360 GLY 361 ASN 362 ASP 363 ILE 364 SER 365 SER 366 ILE 367 PHE 368 GLU 369 LEU 370 ASP 371 PRO 372 TYR 387 VAL 388 ARG 389 LEU 390 ARG 391 HIS 392 LEU 393 CYS 394 THR 395 ASN 396 THR 397 TRP 398 VAL 399 HIS 400 SER 401 THR 402 ASN 403 ILE 404 PRO 405 ILE 406 ASP 407 LYS 408 GLU 409 GLU 410 GLU 411 LYS 412 PRO 413 VAL 414 MET 415 LEU 416 LYS 417 ILE 418 GLY 419 THR 420 SER 421 PRO 422 LEU 423 LYS 424 GLU 425 ASP 426 LYS 427 GLU 428 ALA 429 PHE 430 ALA 431 ILE 432 VAL 433 PRO 434 VAL 435 SER 436 PRO 437 ALA 438 GLU 439 VAL 440 ARG 441 ASP 442 LEU 443 ASP 444 PHE 445 ALA 446 ASN 447 ASP 448 ALA 449 SER 450 LYS 451 VAL 452 LEU 453 GLY 454 SER 455 ILE 456 ALA 457 GLY 458 LYS 459 LEU 460 GLU 461 LYS 462 GLY 463 THR 464 ILE 465 THR 466 GLN 467 ASN 468 GLU 469 ARG 470 ARG 471 SER 472 VAL 473 THR 474 LYS 475 LEU 476 LEU 477 GLU 478 ASP 479 LEU 480 VAL 481 TYR 482 PHE 483 VAL 484 THR 485 GLY 486 GLY 487 THR 488 ASN 489 SER 490 GLY 491 GLN 492 ASP 493 VAL 494 LEU 495 GLU 496 VAL 497 VAL 498 PHE 499 SER 500 LYS 501 PRO 502 ASN 503 ARG 504 GLU 505 ARG 506 GLN 507 LYS 508 LEU 509 MET 510 ARG 511 GLU 512 GLN 513 ASN 514 ILE 515 LEU 516 LYS 517 GLN 518 ILE 519 PHE 520 LYS 521 LEU 522 LEU 523 GLN 524 ALA 525 PRO 526 PHE 527 THR 528 HIS 546 ALA 547 PRO 548 PHE 549 ARG 550 HIS 551 ILE 552 CYS 553 ARG 554 LEU 555 CYS 556 TYR 557 ARG 558 VAL 559 LEU 560 ARG 561 HIS 562 SER 563 GLN 564 GLN 565 ASP 566 TYR 567 ARG 568 LYS 569 ASN 570 GLN 571 GLU 572 TYR 573 ILE 574 ALA 575 LYS 576 GLN 577 PHE 578 GLY 579 PHE 580 MET 581 GLN 582 LYS 583 GLN 584 ILE 585 GLY 586 TYR 587 ASP 588 VAL 589 LEU 590 ALA 591 GLU 592 ASP 593 THR 594 ILE 595 THR 596 ALA 597 LEU 598 LEU 599 HIS 600 ASN 601 ASN 602

Ligands

Unit 2

I3P 1000