4HOW - Sequence, Chains, Asymmetric and Biological Units

• Title: THE CRYSTAL STRUCTURE OF ISOMALTULOSE SYNTHASE FROM ERWINIA NX5
• Keywords: TIM BARREL, ISOMERASE, HYDROLASE, CALCIUM BINDING
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SUCROSE ISOMERASE	A	559	4660	0
2	Ligand	SUCROSE ISOMERASE	A	4	0	19
3	Water			728	0	728
total				1291	4660	747

Proteins

Unit 1

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

Ligands

Unit 2

GOL 701 GOL 702 GOL 703 CA 704