4XIO - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF APO NANB SIALIDASE FROM STREPTOCOCCUS P AT PH 8.0 WITH MPD AS THE CRYOPROTECTANT
• Keywords: HYDROLASE, INTRAMOLECULAR TRANS-SIALIDASE, GLYCOSIDASE, DRUG NEURAMINIDASE, ALLOSTERIC INHIBITOR, SERENDIPITOUS ALLOSTER CRYSTALLIZATION ARTEFACTS
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SIALIDASE B	A	658	5185	0
2	Water			859	0	859
total				1517	5185	859

Proteins

Unit 1

ILE 39 SER 40 PRO 41 ILE 42 PHE 43 GLN 44 GLY 45 GLY 46 SER 47 TYR 48 GLN 49 LEU 50 ASN 51 ASN 52 LYS 53 SER 54 ILE 55 ASP 56 ILE 57 SER 58 SER 59 LEU 60 LEU 61 LEU 62 ASP 63 LYS 64 LEU 65 SER 66 GLY 67 GLU 68 SER 69 GLN 70 THR 71 VAL 72 VAL 73 MET 74 LYS 75 PHE 76 LYS 77 ALA 78 ASP 79 LYS 80 PRO 81 ASN 82 SER 83 LEU 84 GLN 85 ALA 86 LEU 87 PHE 88 GLY 89 LEU 90 SER 91 ASN 92 SER 93 LYS 94 ALA 95 GLY 96 PHE 97 LYS 98 ASN 99 ASN 100 TYR 101 PHE 102 SER 103 ILE 104 PHE 105 MET 106 ARG 107 ASP 108 SER 109 GLY 110 GLU 111 ILE 112 GLY 113 VAL 114 GLU 115 ILE 116 ARG 117 ASP 118 ALA 119 GLN 120 LYS 121 GLY 122 ILE 123 ASN 124 TYR 125 LEU 126 PHE 127 SER 128 ARG 129 PRO 130 ALA 131 SER 132 LEU 133 TRP 134 GLY 135 LYS 136 HIS 137 LYS 138 GLY 139 GLN 140 ALA 141 VAL 142 GLU 143 ASN 144 THR 145 LEU 146 VAL 147 PHE 148 VAL 149 SER 150 ASP 151 SER 152 LYS 153 ASP 154 LYS 155 THR 156 TYR 157 THR 158 MET 159 TYR 160 VAL 161 ASN 162 GLY 163 ILE 164 GLU 165 VAL 166 PHE 167 SER 168 GLU 169 THR 170 VAL 171 ASP 172 THR 173 PHE 174 LEU 175 PRO 176 ILE 177 SER 178 ASN 179 ILE 180 ASN 181 GLY 182 ILE 183 ASP 184 LYS 185 ALA 186 THR 187 LEU 188 GLY 189 ALA 190 VAL 191 ASN 192 ARG 193 GLU 194 GLY 195 LYS 196 GLU 197 HIS 198 TYR 199 LEU 200 ALA 201 LYS 202 GLY 203 SER 204 ILE 205 ASP 206 GLU 207 ILE 208 SER 209 LEU 210 PHE 211 ASN 212 LYS 213 ALA 214 ILE 215 SER 216 ASP 217 GLN 218 GLU 219 VAL 220 SER 221 THR 222 ILE 223 PRO 224 LEU 225 SER 226 ASN 227 PRO 228 PHE 229 GLN 230 LEU 231 ILE 232 PHE 233 GLN 234 SER 235 GLY 236 ASP 237 SER 238 THR 239 GLN 240 ALA 241 ASN 242 TYR 243 PHE 244 ARG 245 ILE 246 PRO 247 THR 248 LEU 249 TYR 250 THR 251 LEU 252 SER 253 SER 254 GLY 255 ARG 256 VAL 257 LEU 258 SER 259 SER 260 ILE 261 ASP 262 ALA 263 ARG 264 TYR 265 GLY 266 GLY 267 THR 268 HIS 269 ASP 270 SER 271 LYS 272 SER 273 LYS 274 ILE 275 ASN 276 ILE 277 ALA 278 THR 279 SER 280 TYR 281 SER 282 ASP 283 ASP 284 ASN 285 GLY 286 LYS 287 THR 288 TRP 289 SER 290 GLU 291 PRO 292 ILE 293 PHE 294 ALA 295 MET 296 LYS 297 PHE 298 ASN 299 ASP 300 TYR 301 GLU 302 GLU 303 GLN 304 LEU 305 VAL 306 TYR 307 TRP 308 PRO 309 ARG 310 ASP 311 ASN 312 LYS 313 LEU 314 LYS 315 ASN 316 SER 317 GLN 318 ILE 319 SER 320 GLY 321 SER 322 ALA 323 SER 324 PHE 325 ILE 326 ASP 327 SER 328 SER 329 ILE 330 VAL 331 GLU 332 ASP 333 LYS 334 LYS 335 SER 336 GLY 337 LYS 338 THR 339 ILE 340 LEU 341 LEU 342 ALA 343 ASP 344 VAL 345 MET 346 PRO 347 ALA 348 GLY 349 ILE 350 GLY 351 ASN 352 ASN 353 ASN 354 ALA 355 ASN 356 LYS 357 ALA 358 ASP 359 SER 360 GLY 361 PHE 362 LYS 363 GLU 364 ILE 365 ASN 366 GLY 367 HIS 368 TYR 369 TYR 370 LEU 371 LYS 372 LEU 373 LYS 374 LYS 375 ASN 376 GLY 377 ASP 378 ASN 379 ASP 380 PHE 381 ARG 382 TYR 383 THR 384 VAL 385 ARG 386 GLU 387 ASN 388 GLY 389 VAL 390 VAL 391 TYR 392 ASN 393 GLU 394 THR 395 THR 396 ASN 397 LYS 398 PRO 399 THR 400 ASN 401 TYR 402 THR 403 ILE 404 ASN 405 ASP 406 LYS 407 TYR 408 GLU 409 VAL 410 LEU 411 GLU 412 GLY 413 GLY 414 LYS 415 SER 416 LEU 417 THR 418 VAL 419 GLU 420 GLN 421 TYR 422 SER 423 VAL 424 ASP 425 PHE 426 ASP 427 SER 428 GLY 429 SER 430 LEU 431 ARG 432 GLU 433 ARG 434 HIS 435 ASN 436 GLY 437 LYS 438 GLN 439 VAL 440 PRO 441 MET 442 ASN 443 VAL 444 PHE 445 TYR 446 LYS 447 ASP 448 SER 449 LEU 450 PHE 451 LYS 452 VAL 453 THR 454 PRO 455 THR 456 ASN 457 TYR 458 ILE 459 ALA 460 MET 461 THR 462 THR 463 SER 464 GLN 465 ASN 466 ARG 467 GLY 468 GLU 469 SER 470 TRP 471 GLU 472 GLN 473 PHE 474 LYS 475 LEU 476 LEU 477 PRO 478 PRO 479 PHE 480 LEU 481 GLY 482 GLU 483 LYS 484 HIS 485 ASN 486 GLY 487 THR 488 TYR 489 LEU 490 CYS 491 PRO 492 GLY 493 GLN 494 GLY 495 LEU 496 ALA 497 LEU 498 LYS 499 SER 500 SER 501 ASN 502 ARG 503 LEU 504 ILE 505 PHE 506 ALA 507 THR 508 TYR 509 THR 510 SER 511 GLY 512 GLU 513 LEU 514 THR 515 TYR 516 LEU 517 ILE 518 SER 519 ASP 520 ASP 521 SER 522 GLY 523 GLN 524 THR 525 TRP 526 LYS 527 LYS 528 SER 529 SER 530 ALA 531 SER 532 ILE 533 PRO 534 PHE 535 LYS 536 ASN 537 ALA 538 THR 539 ALA 540 GLU 541 ALA 542 GLN 543 MET 544 VAL 545 GLU 546 LEU 547 ARG 548 ASP 549 GLY 550 VAL 551 ILE 552 ARG 553 THR 554 PHE 555 PHE 556 ARG 557 THR 558 THR 559 THR 560 GLY 561 LYS 562 ILE 563 ALA 564 TYR 565 MET 566 THR 567 SER 568 ARG 569 ASP 570 SER 571 GLY 572 GLU 573 THR 574 TRP 575 SER 576 LYS 577 VAL 578 SER 579 TYR 580 ILE 581 ASP 582 GLY 583 ILE 584 GLN 585 GLN 586 THR 587 SER 588 TYR 589 GLY 590 THR 591 GLN 592 VAL 593 SER 594 ALA 595 ILE 596 LYS 597 TYR 598 SER 599 GLN 600 LEU 601 ILE 602 ASP 603 GLY 604 LYS 605 GLU 606 ALA 607 VAL 608 ILE 609 LEU 610 SER 611 THR 612 PRO 613 ASN 614 SER 615 ARG 616 SER 617 GLY 618 ARG 619 LYS 620 GLY 621 GLY 622 GLN 623 LEU 624 VAL 625 VAL 626 GLY 627 LEU 628 VAL 629 ASN 630 LYS 631 GLU 632 ASP 633 ASP 634 SER 635 ILE 636 ASP 637 TRP 638 LYS 639 TYR 640 HIS 641 TYR 642 GLY 643 ILE 644 ASP 645 LEU 646 PRO 647 SER 648 TYR 649 GLY 650 TYR 651 ALA 652 TYR 653 SER 654 ALA 655 ILE 656 THR 657 GLU 658 LEU 659 PRO 660 ASN 661 HIS 662 HIS 663 ILE 664 GLY 665 VAL 666 LEU 667 PHE 668 GLU 669 LYS 670 TYR 671 ASP 672 SER 673 TRP 674 SER 675 ARG 676 ASN 677 GLU 678 LEU 679 HIS 680 LEU 681 SER 682 ASN 683 VAL 684 VAL 685 GLN 686 TYR 687 ILE 688 ASP 689 LEU 690 GLU 691 ILE 692 ASN 693 ASP 694 LEU 695 THR 696