1KTW - Sequence, Chains, Asymmetric and Biological Units

• Title: IOTA-CARRAGEENASE COMPLEXED TO IOTA-CARRAGEENAN FRAGMENTS
• Keywords: HYDROLASE, IOTA-CARRAGEENAN DOUBLE HELIX DEGRADATION
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	IOTA-CARRAGEENASE	A	457	3605	0
2	Protein	IOTA-CARRAGEENASE	B	457	3605	0
3	Ligand		C	2	0	30
4	Ligand		D	4	0	59
5	Ligand	IOTA-CARRAGEENASE	A	8	0	8
6	Ligand	IOTA-CARRAGEENASE	B	8	0	8
7	Water			522	0	522
total				1458	7210	627

Proteins

Unit 1

VAL 28 SER 29 PRO 30 LYS 31 THR 32 TYR 33 LYS 34 ASP 35 ALA 36 ASP 37 PHE 38 TYR 39 VAL 40 ALA 41 PRO 42 THR 43 GLN 44 GLN 45 ASP 46 VAL 47 ASN 48 TYR 49 ASP 50 LEU 51 VAL 52 ASP 53 ASP 54 PHE 55 GLY 56 ALA 57 ASN 58 GLY 59 ASN 60 ASP 61 THR 62 SER 63 ASP 64 ASP 65 SER 66 ASN 67 ALA 68 LEU 69 GLN 70 ARG 71 ALA 72 ILE 73 ASN 74 ALA 75 ILE 76 SER 77 ARG 78 LYS 79 PRO 80 ASN 81 GLY 82 GLY 83 THR 84 LEU 85 LEU 86 ILE 87 PRO 88 ASN 89 GLY 90 THR 91 TYR 92 HIS 93 PHE 94 LEU 95 GLY 96 ILE 97 GLN 98 MET 99 LYS 100 SER 101 ASN 102 VAL 103 HIS 104 ILE 105 ARG 106 VAL 107 GLU 108 SER 109 ASP 110 VAL 111 ILE 112 ILE 113 LYS 114 PRO 115 THR 116 TRP 117 ASN 118 GLY 119 ASP 120 GLY 121 LYS 122 ASN 123 HIS 124 ARG 125 LEU 126 PHE 127 GLU 128 VAL 129 GLY 130 VAL 131 ASN 132 ASN 133 ILE 134 VAL 135 ARG 136 ASN 137 PHE 138 SER 139 PHE 140 GLN 141 GLY 142 LEU 143 GLY 144 ASN 145 GLY 146 PHE 147 LEU 148 VAL 149 ASP 150 PHE 151 LYS 152 ASP 153 SER 154 ARG 155 ASP 156 LYS 157 ASN 158 LEU 159 ALA 160 VAL 161 PHE 162 LYS 163 LEU 164 GLY 165 ASP 166 VAL 167 ARG 168 ASN 169 TYR 170 LYS 171 ILE 172 SER 173 ASN 174 PHE 175 THR 176 ILE 177 ASP 178 ASP 179 ASN 180 LYS 181 THR 182 ILE 183 PHE 184 ALA 185 SER 186 ILE 187 LEU 188 VAL 189 ASP 190 VAL 191 THR 192 GLU 193 ARG 194 ASN 195 GLY 196 ARG 197 LEU 198 HIS 199 TRP 200 SER 201 ARG 202 ASN 203 GLY 204 ILE 205 ILE 206 GLU 207 ARG 208 ILE 209 LYS 210 GLN 211 ASN 212 ASN 213 ALA 214 LEU 215 PHE 216 GLY 217 TYR 218 GLY 219 LEU 220 ILE 221 GLN 222 THR 223 TYR 224 GLY 225 ALA 226 ASP 227 ASN 228 ILE 229 LEU 230 PHE 231 ARG 232 ASN 233 LEU 234 HIS 235 SER 236 GLU 237 GLY 238 GLY 239 ILE 240 ALA 241 LEU 242 ARG 243 MET 244 GLU 245 THR 246 ASP 247 ASN 248 LEU 249 LEU 250 MET 251 LYS 252 ASN 253 TYR 254 LYS 255 GLN 256 GLY 257 GLY 258 ILE 259 ARG 260 ASN 261 ILE 262 PHE 263 ALA 264 ASP 265 ASN 266 ILE 267 ARG 268 CYS 269 SER 270 LYS 271 GLY 272 LEU 273 ALA 274 ALA 275 VAL 276 MET 277 PHE 278 GLY 279 PRO 280 HIS 281 PHE 282 MET 283 LYS 284 ASN 285 GLY 286 ASP 287 VAL 288 GLN 289 VAL 290 THR 291 ASN 292 VAL 293 SER 294 SER 295 VAL 296 SER 297 CYS 298 GLY 299 SER 300 ALA 301 VAL 302 ARG 303 SER 304 ASP 305 SER 306 GLY 307 PHE 308 VAL 309 GLU 310 LEU 311 PHE 312 SER 313 PRO 314 THR 315 ASP 316 GLU 317 VAL 318 HIS 319 THR 320 ARG 321 GLN 322 SER 323 TRP 324 LYS 325 GLN 326 ALA 327 VAL 328 GLU 329 SER 330 LYS 331 LEU 332 GLY 333 ARG 334 GLY 335 CYS 336 ALA 337 GLN 338 THR 339 PRO 340 TYR 341 ALA 342 TRP 350 ALA 351 ALA 352 ARG 353 VAL 354 THR 355 GLN 356 LYS 357 ASP 358 ALA 359 CYS 360 LEU 361 ASP 362 LYS 363 ALA 364 LYS 365 LEU 366 GLU 367 TYR 368 GLY 369 ILE 370 GLU 371 PRO 372 GLY 373 SER 374 PHE 375 GLY 376 THR 377 VAL 378 LYS 379 VAL 380 PHE 381 ASP 382 VAL 383 THR 384 ALA 385 ARG 386 PHE 387 GLY 388 TYR 389 ASN 390 ALA 391 ASP 392 LEU 393 LYS 394 GLN 395 ASP 396 GLN 397 LEU 398 ASP 399 TYR 400 PHE 401 SER 402 THR 403 SER 404 ASN 405 PRO 406 MET 407 CYS 408 LYS 409 ARG 410 VAL 411 CYS 412 LEU 413 PRO 414 THR 415 LYS 416 GLU 417 GLN 418 TRP 419 SER 420 LYS 421 GLN 422 GLY 423 GLN 424 ILE 425 TYR 426 ILE 427 GLY 428 PRO 429 SER 430 LEU 431 ALA 432 ALA 433 VAL 434 ILE 435 ASP 436 THR 437 THR 438 PRO 439 GLU 440 THR 441 SER 442 LYS 443 TYR 444 ASP 445 TYR 446 ASP 447 VAL 448 LYS 449 THR 450 PHE 451 ASN 452 VAL 453 LYS 454 ARG 455 ILE 456 ASN 457 PHE 458 PRO 459 VAL 460 ASN 461 SER 462 HIS 463 LYS 464 THR 465 ILE 466 ASP 467 THR 468 ASN 469 THR 470 GLU 471 SER 472 SER 473 ARG 474 VAL 475 CYS 476 ASN 477 TYR 478 TYR 479 GLY 480 MET 481 SER 482 GLU 483 CYS 484 SER 485 SER 486 SER 487 ARG 488 TRP 489 GLU 490 ARG 491

Unit 2

VAL 28 SER 29 PRO 30 LYS 31 THR 32 TYR 33 LYS 34 ASP 35 ALA 36 ASP 37 PHE 38 TYR 39 VAL 40 ALA 41 PRO 42 THR 43 GLN 44 GLN 45 ASP 46 VAL 47 ASN 48 TYR 49 ASP 50 LEU 51 VAL 52 ASP 53 ASP 54 PHE 55 GLY 56 ALA 57 ASN 58 GLY 59 ASN 60 ASP 61 THR 62 SER 63 ASP 64 ASP 65 SER 66 ASN 67 ALA 68 LEU 69 GLN 70 ARG 71 ALA 72 ILE 73 ASN 74 ALA 75 ILE 76 SER 77 ARG 78 LYS 79 PRO 80 ASN 81 GLY 82 GLY 83 THR 84 LEU 85 LEU 86 ILE 87 PRO 88 ASN 89 GLY 90 THR 91 TYR 92 HIS 93 PHE 94 LEU 95 GLY 96 ILE 97 GLN 98 MET 99 LYS 100 SER 101 ASN 102 VAL 103 HIS 104 ILE 105 ARG 106 VAL 107 GLU 108 SER 109 ASP 110 VAL 111 ILE 112 ILE 113 LYS 114 PRO 115 THR 116 TRP 117 ASN 118 GLY 119 ASP 120 GLY 121 LYS 122 ASN 123 HIS 124 ARG 125 LEU 126 PHE 127 GLU 128 VAL 129 GLY 130 VAL 131 ASN 132 ASN 133 ILE 134 VAL 135 ARG 136 ASN 137 PHE 138 SER 139 PHE 140 GLN 141 GLY 142 LEU 143 GLY 144 ASN 145 GLY 146 PHE 147 LEU 148 VAL 149 ASP 150 PHE 151 LYS 152 ASP 153 SER 154 ARG 155 ASP 156 LYS 157 ASN 158 LEU 159 ALA 160 VAL 161 PHE 162 LYS 163 LEU 164 GLY 165 ASP 166 VAL 167 ARG 168 ASN 169 TYR 170 LYS 171 ILE 172 SER 173 ASN 174 PHE 175 THR 176 ILE 177 ASP 178 ASP 179 ASN 180 LYS 181 THR 182 ILE 183 PHE 184 ALA 185 SER 186 ILE 187 LEU 188 VAL 189 ASP 190 VAL 191 THR 192 GLU 193 ARG 194 ASN 195 GLY 196 ARG 197 LEU 198 HIS 199 TRP 200 SER 201 ARG 202 ASN 203 GLY 204 ILE 205 ILE 206 GLU 207 ARG 208 ILE 209 LYS 210 GLN 211 ASN 212 ASN 213 ALA 214 LEU 215 PHE 216 GLY 217 TYR 218 GLY 219 LEU 220 ILE 221 GLN 222 THR 223 TYR 224 GLY 225 ALA 226 ASP 227 ASN 228 ILE 229 LEU 230 PHE 231 ARG 232 ASN 233 LEU 234 HIS 235 SER 236 GLU 237 GLY 238 GLY 239 ILE 240 ALA 241 LEU 242 ARG 243 MET 244 GLU 245 THR 246 ASP 247 ASN 248 LEU 249 LEU 250 MET 251 LYS 252 ASN 253 TYR 254 LYS 255 GLN 256 GLY 257 GLY 258 ILE 259 ARG 260 ASN 261 ILE 262 PHE 263 ALA 264 ASP 265 ASN 266 ILE 267 ARG 268 CYS 269 SER 270 LYS 271 GLY 272 LEU 273 ALA 274 ALA 275 VAL 276 MET 277 PHE 278 GLY 279 PRO 280 HIS 281 PHE 282 MET 283 LYS 284 ASN 285 GLY 286 ASP 287 VAL 288 GLN 289 VAL 290 THR 291 ASN 292 VAL 293 SER 294 SER 295 VAL 296 SER 297 CYS 298 GLY 299 SER 300 ALA 301 VAL 302 ARG 303 SER 304 ASP 305 SER 306 GLY 307 PHE 308 VAL 309 GLU 310 LEU 311 PHE 312 SER 313 PRO 314 THR 315 ASP 316 GLU 317 VAL 318 HIS 319 THR 320 ARG 321 GLN 322 SER 323 TRP 324 LYS 325 GLN 326 ALA 327 VAL 328 GLU 329 SER 330 LYS 331 LEU 332 GLY 333 ARG 334 GLY 335 CYS 336 ALA 337 GLN 338 THR 339 PRO 340 TYR 341 ALA 342 TRP 350 ALA 351 ALA 352 ARG 353 VAL 354 THR 355 GLN 356 LYS 357 ASP 358 ALA 359 CYS 360 LEU 361 ASP 362 LYS 363 ALA 364 LYS 365 LEU 366 GLU 367 TYR 368 GLY 369 ILE 370 GLU 371 PRO 372 GLY 373 SER 374 PHE 375 GLY 376 THR 377 VAL 378 LYS 379 VAL 380 PHE 381 ASP 382 VAL 383 THR 384 ALA 385 ARG 386 PHE 387 GLY 388 TYR 389 ASN 390 ALA 391 ASP 392 LEU 393 LYS 394 GLN 395 ASP 396 GLN 397 LEU 398 ASP 399 TYR 400 PHE 401 SER 402 THR 403 SER 404 ASN 405 PRO 406 MET 407 CYS 408 LYS 409 ARG 410 VAL 411 CYS 412 LEU 413 PRO 414 THR 415 LYS 416 GLU 417 GLN 418 TRP 419 SER 420 LYS 421 GLN 422 GLY 423 GLN 424 ILE 425 TYR 426 ILE 427 GLY 428 PRO 429 SER 430 LEU 431 ALA 432 ALA 433 VAL 434 ILE 435 ASP 436 THR 437 THR 438 PRO 439 GLU 440 THR 441 SER 442 LYS 443 TYR 444 ASP 445 TYR 446 ASP 447 VAL 448 LYS 449 THR 450 PHE 451 ASN 452 VAL 453 LYS 454 ARG 455 ILE 456 ASN 457 PHE 458 PRO 459 VAL 460 ASN 461 SER 462 HIS 463 LYS 464 THR 465 ILE 466 ASP 467 THR 468 ASN 469 THR 470 GLU 471 SER 472 SER 473 ARG 474 VAL 475 CYS 476 ASN 477 TYR 478 TYR 479 GLY 480 MET 481 SER 482 GLU 483 CYS 484 SER 485 SER 486 SER 487 ARG 488 TRP 489 GLU 490 ARG 491

Ligands

Unit 3	G4S 1 DGS 2
Unit 4	G4S 1 DGS 2 G4S 3 DGS 4
Unit 5	CA 3 CA 5 CA 7 CA 9 NA 11 NA 13 CA 496 CL 530
Unit 6	CA 2 CA 4 CA 6 CA 8 CA 10 NA 12 NA 14 CL 531