3EPN - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF CAULOBACTER CRESCENTUS THIC COMPLEXED W IMIDAZOLE RIBONUCLEOTIDE
• Keywords: ALPHA-BETA BARREL, SAM SUPERFAMILY, THIAMINE BIOSYNTHESIS, BIOSYNTHETIC PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3EPN	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	THIAMINE BIOSYNTHESIS PROTEIN THIC	A	523	4096	0
2	Protein	THIAMINE BIOSYNTHESIS PROTEIN THIC	B	519	4059	0
3	Ligand	THIAMINE BIOSYNTHESIS PROTEIN THIC	A	2	0	36
4	Water			513	0	513
total				1557	8155	549

Proteins

Unit 1

SER 5 THR 6 ILE 7 LYS 8 ALA 9 VAL 10 ALA 11 GLU 12 THR 13 ILE 14 SER 15 THR 16 GLY 17 PRO 18 ILE 19 PRO 20 GLY 21 SER 22 ARG 23 LYS 24 VAL 25 TYR 26 GLN 27 ALA 28 GLY 29 GLU 30 LEU 31 PHE 32 PRO 33 GLU 34 LEU 35 ARG 36 VAL 37 PRO 38 PHE 39 ARG 40 GLU 41 VAL 42 ALA 43 VAL 44 HIS 45 PRO 46 SER 47 ALA 48 ASN 49 GLU 50 PRO 51 PRO 52 VAL 53 THR 54 ILE 55 TYR 56 ASP 57 PRO 58 SER 59 GLY 60 PRO 61 TYR 62 SER 63 ASP 64 PRO 65 ALA 66 ILE 67 GLN 68 ILE 69 ASP 70 ILE 71 GLU 72 LYS 73 GLY 74 LEU 75 PRO 76 ARG 77 THR 78 ARG 79 GLU 80 ALA 81 LEU 82 VAL 83 VAL 84 ALA 85 ARG 86 GLY 87 ASP 88 VAL 89 GLU 90 GLU 91 VAL 92 ALA 93 ASP 94 PRO 95 ARG 96 GLN 97 VAL 98 PRO 113 GLU 114 PHE 115 PRO 116 ASP 117 THR 118 GLY 119 ARG 120 LYS 121 ILE 122 TYR 123 ARG 124 ALA 125 LYS 126 PRO 127 GLY 128 LYS 129 LEU 130 VAL 131 THR 132 GLN 133 LEU 134 GLU 135 TYR 136 ALA 137 ARG 138 ALA 139 GLY 140 ILE 141 ILE 142 THR 143 ALA 144 GLU 145 MET 146 GLU 147 TYR 148 VAL 149 ALA 150 ILE 151 ARG 152 GLU 153 ASN 154 LEU 155 ARG 156 ARG 157 GLU 158 GLN 159 ASP 160 ARG 161 PRO 162 CYS 163 VAL 164 ARG 165 ASP 166 GLY 167 GLU 168 ASP 169 PHE 170 GLY 171 ALA 172 SER 173 ILE 174 PRO 175 ASP 176 PHE 177 VAL 178 THR 179 PRO 180 GLU 181 PHE 182 VAL 183 ARG 184 GLN 185 GLU 186 ILE 187 ALA 188 ARG 189 GLY 190 ARG 191 ALA 192 ILE 193 ILE 194 PRO 195 ALA 196 ASN 197 ILE 198 ASN 199 HIS 200 GLY 201 GLU 202 LEU 203 GLU 204 PRO 205 MET 206 ALA 207 ILE 208 GLY 209 ARG 210 ASN 211 PHE 212 LEU 213 VAL 214 LYS 215 ILE 216 ASN 217 ALA 218 ASN 219 ILE 220 GLY 221 ASN 222 THR 228 VAL 229 ALA 230 ASP 231 GLU 232 VAL 233 ASP 234 LYS 235 LEU 236 VAL 237 TRP 238 ALA 239 THR 240 ARG 241 TRP 242 GLY 243 ALA 244 ASP 245 THR 246 VAL 247 MET 248 ASP 249 LEU 250 SER 251 THR 252 GLY 253 ARG 254 ASN 255 ILE 256 HIS 257 ASN 258 ILE 259 ARG 260 ASP 261 TRP 262 ILE 263 ILE 264 ARG 265 ASN 266 SER 267 SER 268 VAL 269 PRO 270 ILE 271 GLY 272 THR 273 VAL 274 PRO 275 ILE 276 TYR 277 GLN 278 ALA 279 LEU 280 GLU 281 LYS 282 VAL 283 ASN 284 GLY 285 VAL 286 ALA 287 GLU 288 ASP 289 LEU 290 ASN 291 TRP 292 GLU 293 VAL 294 PHE 295 ARG 296 ASP 297 THR 298 LEU 299 ILE 300 GLU 301 GLN 302 CYS 303 GLU 304 GLN 305 GLY 306 VAL 307 ASP 308 TYR 309 PHE 310 THR 311 ILE 312 HIS 313 ALA 314 GLY 315 VAL 316 ARG 317 LEU 318 PRO 319 PHE 320 ILE 321 PRO 322 MET 323 THR 324 ALA 325 LYS 326 ARG 327 VAL 328 THR 329 GLY 330 ILE 331 VAL 332 SER 333 ARG 334 GLY 335 GLY 336 SER 337 ILE 338 MET 339 ALA 340 LYS 341 TRP 342 CYS 343 LEU 344 ALA 345 HIS 346 HIS 347 LYS 348 GLU 349 ASN 350 PHE 351 LEU 352 TYR 353 GLU 354 ARG 355 PHE 356 ASP 357 GLU 358 ILE 359 CYS 360 GLU 361 ILE 362 MET 363 ARG 364 ALA 365 TYR 366 ASP 367 VAL 368 SER 369 PHE 370 SER 371 LEU 372 GLY 373 ASP 374 GLY 375 LEU 376 ARG 377 PRO 378 GLY 379 SER 380 THR 381 ALA 382 ASP 383 ALA 384 ASN 385 ASP 386 GLU 387 ALA 388 GLN 389 PHE 390 SER 391 GLU 392 LEU 393 ARG 394 THR 395 LEU 396 GLY 397 GLU 398 LEU 399 THR 400 LYS 401 VAL 402 ALA 403 TRP 404 LYS 405 HIS 406 GLY 407 VAL 408 GLN 409 VAL 410 MET 411 ILE 412 GLU 413 GLY 414 PRO 415 GLY 416 HIS 417 VAL 418 ALA 419 MET 420 HIS 421 LYS 422 ILE 423 LYS 424 ALA 425 ASN 426 MET 427 ASP 428 GLU 429 GLN 430 LEU 431 LYS 432 HIS 433 CYS 434 HIS 435 GLU 436 ALA 437 PRO 438 PHE 439 TYR 440 THR 441 LEU 442 GLY 443 PRO 444 LEU 445 THR 446 THR 447 ASP 448 ILE 449 ALA 450 PRO 451 GLY 452 TYR 453 ASP 454 HIS 455 ILE 456 THR 457 SER 458 ALA 459 ILE 460 GLY 461 ALA 462 ALA 463 MET 464 ILE 465 GLY 466 TRP 467 PHE 468 GLY 469 THR 470 ALA 471 MET 472 LEU 473 CYS 474 TYR 475 VAL 476 THR 477 PRO 478 LYS 479 GLU 480 HIS 481 LEU 482 GLY 483 LEU 484 PRO 485 ASP 486 ARG 487 ASP 488 ASP 489 VAL 490 LYS 491 THR 492 GLY 493 VAL 494 ILE 495 THR 496 TYR 497 LYS 498 LEU 499 ALA 500 ALA 501 HIS 502 ALA 503 ALA 504 ASP 505 LEU 506 ALA 507 LYS 508 GLY 509 HIS 510 PRO 511 GLY 512 ALA 513 ALA 514 MET 515 TRP 516 ASP 517 ASP 518 ALA 519 ILE 520 SER 521 ARG 522 ALA 523 ARG 524 PHE 525 GLU 526 PHE 527 ARG 528 TRP 529 GLU 530 ASP 531 GLN 532 PHE 533 ASN 534 LEU 535 GLY 536 LEU 537 ASP 538 PRO 539 GLU 540 THR 541 ALA 542 ARG 543 LYS 544 PHE 545 HIS 546

Unit 2

ILE 7 LYS 8 ALA 9 VAL 10 ALA 11 GLU 12 THR 13 ILE 14 SER 15 THR 16 GLY 17 PRO 18 ILE 19 PRO 20 GLY 21 SER 22 ARG 23 LYS 24 VAL 25 TYR 26 GLN 27 ALA 28 GLY 29 GLU 30 LEU 31 PHE 32 PRO 33 GLU 34 LEU 35 ARG 36 VAL 37 PRO 38 PHE 39 ARG 40 GLU 41 VAL 42 ALA 43 VAL 44 HIS 45 PRO 46 SER 47 ALA 48 ASN 49 GLU 50 PRO 51 PRO 52 VAL 53 THR 54 ILE 55 TYR 56 ASP 57 PRO 58 SER 59 GLY 60 PRO 61 TYR 62 SER 63 ASP 64 PRO 65 ALA 66 ILE 67 GLN 68 ILE 69 ASP 70 ILE 71 GLU 72 LYS 73 GLY 74 LEU 75 PRO 76 ARG 77 THR 78 ARG 79 GLU 80 ALA 81 LEU 82 VAL 83 VAL 84 ALA 85 ARG 86 GLY 87 ASP 88 VAL 89 GLU 90 GLU 91 VAL 92 ALA 93 ASP 94 PRO 95 ARG 96 GLN 97 VAL 98 PRO 113 GLU 114 PHE 115 PRO 116 GLY 119 ARG 120 LYS 121 ILE 122 TYR 123 ARG 124 ALA 125 LYS 126 PRO 127 GLY 128 LYS 129 LEU 130 VAL 131 THR 132 GLN 133 LEU 134 GLU 135 TYR 136 ALA 137 ARG 138 ALA 139 GLY 140 ILE 141 ILE 142 THR 143 ALA 144 GLU 145 MET 146 GLU 147 TYR 148 VAL 149 ALA 150 ILE 151 ARG 152 GLU 153 ASN 154 LEU 155 ARG 156 ARG 157 GLU 158 GLN 159 ASP 160 ARG 161 PRO 162 CYS 163 VAL 164 ARG 165 ASP 166 GLY 167 GLU 168 ASP 169 PHE 170 GLY 171 ALA 172 SER 173 ILE 174 PRO 175 ASP 176 PHE 177 VAL 178 THR 179 PRO 180 GLU 181 PHE 182 VAL 183 ARG 184 GLN 185 GLU 186 ILE 187 ALA 188 ARG 189 GLY 190 ARG 191 ALA 192 ILE 193 ILE 194 PRO 195 ALA 196 ASN 197 ILE 198 ASN 199 HIS 200 GLY 201 GLU 202 LEU 203 GLU 204 PRO 205 MET 206 ALA 207 ILE 208 GLY 209 ARG 210 ASN 211 PHE 212 LEU 213 VAL 214 LYS 215 ILE 216 ASN 217 ALA 218 ASN 219 ILE 220 GLY 221 ASN 222 THR 228 VAL 229 ALA 230 ASP 231 GLU 232 VAL 233 ASP 234 LYS 235 LEU 236 VAL 237 TRP 238 ALA 239 THR 240 ARG 241 TRP 242 GLY 243 ALA 244 ASP 245 THR 246 VAL 247 MET 248 ASP 249 LEU 250 SER 251 THR 252 GLY 253 ARG 254 ASN 255 ILE 256 HIS 257 ASN 258 ILE 259 ARG 260 ASP 261 TRP 262 ILE 263 ILE 264 ARG 265 ASN 266 SER 267 SER 268 VAL 269 PRO 270 ILE 271 GLY 272 THR 273 VAL 274 PRO 275 ILE 276 TYR 277 GLN 278 ALA 279 LEU 280 GLU 281 LYS 282 VAL 283 ASN 284 GLY 285 VAL 286 ALA 287 GLU 288 ASP 289 LEU 290 ASN 291 TRP 292 GLU 293 VAL 294 PHE 295 ARG 296 ASP 297 THR 298 LEU 299 ILE 300 GLU 301 GLN 302 CYS 303 GLU 304 GLN 305 GLY 306 VAL 307 ASP 308 TYR 309 PHE 310 THR 311 ILE 312 HIS 313 ALA 314 GLY 315 VAL 316 ARG 317 LEU 318 PRO 319 PHE 320 ILE 321 PRO 322 MET 323 THR 324 ALA 325 LYS 326 ARG 327 VAL 328 THR 329 GLY 330 ILE 331 VAL 332 SER 333 ARG 334 GLY 335 GLY 336 SER 337 ILE 338 MET 339 ALA 340 LYS 341 TRP 342 CYS 343 LEU 344 ALA 345 HIS 346 HIS 347 LYS 348 GLU 349 ASN 350 PHE 351 LEU 352 TYR 353 GLU 354 ARG 355 PHE 356 ASP 357 GLU 358 ILE 359 CYS 360 GLU 361 ILE 362 MET 363 ARG 364 ALA 365 TYR 366 ASP 367 VAL 368 SER 369 PHE 370 SER 371 LEU 372 GLY 373 ASP 374 GLY 375 LEU 376 ARG 377 PRO 378 GLY 379 SER 380 THR 381 ALA 382 ASP 383 ALA 384 ASN 385 ASP 386 GLU 387 ALA 388 GLN 389 PHE 390 SER 391 GLU 392 LEU 393 ARG 394 THR 395 LEU 396 GLY 397 GLU 398 LEU 399 THR 400 LYS 401 VAL 402 ALA 403 TRP 404 LYS 405 HIS 406 GLY 407 VAL 408 GLN 409 VAL 410 MET 411 ILE 412 GLU 413 GLY 414 PRO 415 GLY 416 HIS 417 VAL 418 ALA 419 MET 420 HIS 421 LYS 422 ILE 423 LYS 424 ALA 425 ASN 426 MET 427 ASP 428 GLU 429 GLN 430 LEU 431 LYS 432 HIS 433 CYS 434 HIS 435 GLU 436 ALA 437 PRO 438 PHE 439 TYR 440 THR 441 LEU 442 GLY 443 PRO 444 LEU 445 THR 446 THR 447 ASP 448 ILE 449 ALA 450 PRO 451 GLY 452 TYR 453 ASP 454 HIS 455 ILE 456 THR 457 SER 458 ALA 459 ILE 460 GLY 461 ALA 462 ALA 463 MET 464 ILE 465 GLY 466 TRP 467 PHE 468 GLY 469 THR 470 ALA 471 MET 472 LEU 473 CYS 474 TYR 475 VAL 476 THR 477 PRO 478 LYS 479 GLU 480 HIS 481 LEU 482 GLY 483 LEU 484 PRO 485 ASP 486 ARG 487 ASP 488 ASP 489 VAL 490 LYS 491 THR 492 GLY 493 VAL 494 ILE 495 THR 496 TYR 497 LYS 498 LEU 499 ALA 500 ALA 501 HIS 502 ALA 503 ALA 504 ASP 505 LEU 506 ALA 507 LYS 508 GLY 509 HIS 510 PRO 511 GLY 512 ALA 513 ALA 514 MET 515 TRP 516 ASP 517 ASP 518 ALA 519 ILE 520 SER 521 ARG 522 ALA 523 ARG 524 PHE 525 GLU 526 PHE 527 ARG 528 TRP 529 GLU 530 ASP 531 GLN 532 PHE 533 ASN 534 LEU 535 GLY 536 LEU 537 ASP 538 PRO 539 GLU 540 THR 541 ALA 542 ARG 543 LYS 544 PHE 545 HIS 546

Ligands

Unit 3

IRN 1001 IRN 1002