2IBP - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF CITRATE SYNTHASE FROM PYROBACULUM AEROP
• Keywords: DISULFIDE BOND, HOMODIMER, CITRATE SYNTHASE, THERMOPHILIC, C TRANSFERASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2IBP	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	CITRATE SYNTHASE	A	407	3264	0
2	Protein	CITRATE SYNTHASE	B	407	3264	0
3	Ligand	CITRATE SYNTHASE	A	2	0	5
4	Ligand	CITRATE SYNTHASE	B	2	0	5
5	Water			808	0	808
total				1626	6528	818

Proteins

Unit 1

GLU 3 GLN 4 THR 5 VAL 6 GLN 7 VAL 8 LYS 9 THR 10 THR 11 GLY 12 LYS 13 ILE 14 LEU 15 GLN 16 SER 17 PRO 18 CYS 19 GLY 20 PRO 21 ILE 22 ILE 23 HIS 24 GLY 25 LEU 26 GLU 27 ASP 28 VAL 29 LEU 30 ILE 31 LYS 32 SER 33 THR 34 SER 35 ILE 36 SER 37 ASP 38 ILE 39 ASP 40 GLY 41 GLU 42 LYS 43 GLY 44 ILE 45 LEU 46 TRP 47 TYR 48 ARG 49 GLY 50 TYR 51 ARG 52 ILE 53 GLU 54 GLU 55 LEU 56 ALA 57 ARG 58 LEU 59 SER 60 THR 61 TYR 62 GLU 63 GLU 64 VAL 65 SER 66 TYR 67 LEU 68 ILE 69 LEU 70 TYR 71 GLY 72 ARG 73 LEU 74 PRO 75 THR 76 LYS 77 ARG 78 GLU 79 LEU 80 GLU 81 ASP 82 TYR 83 ILE 84 ASN 85 ARG 86 MET 87 LYS 88 LYS 89 TYR 90 ARG 91 GLU 92 LEU 93 HIS 94 PRO 95 ALA 96 THR 97 VAL 98 GLU 99 VAL 100 ILE 101 ARG 102 ASN 103 LEU 104 ALA 105 LYS 106 ALA 107 HIS 108 PRO 109 MET 110 PHE 111 ALA 112 LEU 113 GLU 114 ALA 115 ALA 116 VAL 117 ALA 118 ALA 119 GLU 120 GLY 121 ALA 122 TYR 123 ASP 124 GLU 125 ASP 126 ASN 127 GLN 128 LYS 129 LEU 130 ILE 131 GLU 132 ALA 133 LEU 134 SER 135 VAL 136 GLY 137 ARG 138 TYR 139 LYS 140 ALA 141 GLU 142 GLU 143 LYS 144 GLU 145 LEU 146 ALA 147 TYR 148 ARG 149 ILE 150 ALA 151 GLU 152 LYS 153 LEU 154 VAL 155 ALA 156 LYS 157 MET 158 PRO 159 THR 160 ILE 161 VAL 162 ALA 163 TYR 164 HIS 165 TYR 166 ARG 167 PHE 168 SER 169 ARG 170 GLY 171 LEU 172 GLU 173 VAL 174 VAL 175 ARG 176 PRO 177 ARG 178 ASP 179 ASP 180 LEU 181 GLY 182 HIS 183 ALA 184 ALA 185 ASN 186 PHE 187 LEU 188 TYR 189 MET 190 MET 191 PHE 192 GLY 193 ARG 194 GLU 195 PRO 196 ASP 197 PRO 198 LEU 199 ALA 200 SER 201 ARG 202 GLY 203 ILE 204 ASP 205 LEU 206 TYR 207 LEU 208 ILE 209 LEU 210 HIS 211 ALA 212 ASP 213 HIS 214 GLU 215 VAL 216 PRO 217 ALA 218 SER 219 THR 220 PHE 221 ALA 222 ALA 223 HIS 224 VAL 225 VAL 226 ALA 227 SER 228 THR 229 LEU 230 SER 231 ASP 232 LEU 233 TYR 234 SER 235 SER 236 VAL 237 ALA 238 ALA 239 ALA 240 ILE 241 ALA 242 ALA 243 LEU 244 LYS 245 GLY 246 PRO 247 LEU 248 HIS 249 GLY 250 GLY 251 ALA 252 ASN 253 GLU 254 MET 255 ALA 256 VAL 257 ARG 258 ASN 259 TYR 260 LEU 261 GLU 262 ILE 263 GLY 264 THR 265 PRO 266 ALA 267 LYS 268 ALA 269 LYS 270 GLU 271 ILE 272 VAL 273 GLU 274 ALA 275 ALA 276 THR 277 LYS 278 PRO 279 GLY 280 GLY 281 PRO 282 LYS 283 LEU 284 MET 285 GLY 286 VAL 287 GLY 288 HIS 289 ARG 290 VAL 291 TYR 292 LYS 293 ALA 294 TYR 295 ASP 296 PRO 297 ARG 298 ALA 299 LYS 300 ILE 301 PHE 302 LYS 303 GLU 304 PHE 305 SER 306 ARG 307 ASP 308 TYR 309 VAL 310 ALA 311 LYS 312 PHE 313 GLY 314 ASP 315 PRO 316 GLN 317 ASN 318 LEU 319 PHE 320 ALA 321 ILE 322 ALA 323 SER 324 ALA 325 ILE 326 GLU 327 GLN 328 GLU 329 VAL 330 LEU 331 SER 332 HIS 333 PRO 334 TYR 335 PHE 336 GLN 337 GLN 338 ARG 339 LYS 340 LEU 341 TYR 342 PRO 343 ASN 344 VAL 345 ASP 346 PHE 347 TRP 348 SER 349 GLY 350 ILE 351 ALA 352 PHE 353 TYR 354 TYR 355 MET 356 GLY 357 ILE 358 PRO 359 TYR 360 GLU 361 TYR 362 PHE 363 THR 364 PRO 365 ILE 366 PHE 367 ALA 368 MET 369 SER 370 ARG 371 VAL 372 VAL 373 GLY 374 TRP 375 VAL 376 ALA 377 HIS 378 VAL 379 LEU 380 GLU 381 TYR 382 TRP 383 GLU 384 ASN 385 ASN 386 ARG 387 ILE 388 PHE 389 ARG 390 PRO 391 ARG 392 ALA 393 CYS 394 TYR 395 ILE 396 GLY 397 PRO 398 HIS 399 ASP 400 LEU 401 GLN 402 TYR 403 ILE 404 PRO 405 LEU 406 GLU 407 GLN 408 ARG 409

Unit 2

GLU 3 GLN 4 THR 5 VAL 6 GLN 7 VAL 8 LYS 9 THR 10 THR 11 GLY 12 LYS 13 ILE 14 LEU 15 GLN 16 SER 17 PRO 18 CYS 19 GLY 20 PRO 21 ILE 22 ILE 23 HIS 24 GLY 25 LEU 26 GLU 27 ASP 28 VAL 29 LEU 30 ILE 31 LYS 32 SER 33 THR 34 SER 35 ILE 36 SER 37 ASP 38 ILE 39 ASP 40 GLY 41 GLU 42 LYS 43 GLY 44 ILE 45 LEU 46 TRP 47 TYR 48 ARG 49 GLY 50 TYR 51 ARG 52 ILE 53 GLU 54 GLU 55 LEU 56 ALA 57 ARG 58 LEU 59 SER 60 THR 61 TYR 62 GLU 63 GLU 64 VAL 65 SER 66 TYR 67 LEU 68 ILE 69 LEU 70 TYR 71 GLY 72 ARG 73 LEU 74 PRO 75 THR 76 LYS 77 ARG 78 GLU 79 LEU 80 GLU 81 ASP 82 TYR 83 ILE 84 ASN 85 ARG 86 MET 87 LYS 88 LYS 89 TYR 90 ARG 91 GLU 92 LEU 93 HIS 94 PRO 95 ALA 96 THR 97 VAL 98 GLU 99 VAL 100 ILE 101 ARG 102 ASN 103 LEU 104 ALA 105 LYS 106 ALA 107 HIS 108 PRO 109 MET 110 PHE 111 ALA 112 LEU 113 GLU 114 ALA 115 ALA 116 VAL 117 ALA 118 ALA 119 GLU 120 GLY 121 ALA 122 TYR 123 ASP 124 GLU 125 ASP 126 ASN 127 GLN 128 LYS 129 LEU 130 ILE 131 GLU 132 ALA 133 LEU 134 SER 135 VAL 136 GLY 137 ARG 138 TYR 139 LYS 140 ALA 141 GLU 142 GLU 143 LYS 144 GLU 145 LEU 146 ALA 147 TYR 148 ARG 149 ILE 150 ALA 151 GLU 152 LYS 153 LEU 154 VAL 155 ALA 156 LYS 157 MET 158 PRO 159 THR 160 ILE 161 VAL 162 ALA 163 TYR 164 HIS 165 TYR 166 ARG 167 PHE 168 SER 169 ARG 170 GLY 171 LEU 172 GLU 173 VAL 174 VAL 175 ARG 176 PRO 177 ARG 178 ASP 179 ASP 180 LEU 181 GLY 182 HIS 183 ALA 184 ALA 185 ASN 186 PHE 187 LEU 188 TYR 189 MET 190 MET 191 PHE 192 GLY 193 ARG 194 GLU 195 PRO 196 ASP 197 PRO 198 LEU 199 ALA 200 SER 201 ARG 202 GLY 203 ILE 204 ASP 205 LEU 206 TYR 207 LEU 208 ILE 209 LEU 210 HIS 211 ALA 212 ASP 213 HIS 214 GLU 215 VAL 216 PRO 217 ALA 218 SER 219 THR 220 PHE 221 ALA 222 ALA 223 HIS 224 VAL 225 VAL 226 ALA 227 SER 228 THR 229 LEU 230 SER 231 ASP 232 LEU 233 TYR 234 SER 235 SER 236 VAL 237 ALA 238 ALA 239 ALA 240 ILE 241 ALA 242 ALA 243 LEU 244 LYS 245 GLY 246 PRO 247 LEU 248 HIS 249 GLY 250 GLY 251 ALA 252 ASN 253 GLU 254 MET 255 ALA 256 VAL 257 ARG 258 ASN 259 TYR 260 LEU 261 GLU 262 ILE 263 GLY 264 THR 265 PRO 266 ALA 267 LYS 268 ALA 269 LYS 270 GLU 271 ILE 272 VAL 273 GLU 274 ALA 275 ALA 276 THR 277 LYS 278 PRO 279 GLY 280 GLY 281 PRO 282 LYS 283 LEU 284 MET 285 GLY 286 VAL 287 GLY 288 HIS 289 ARG 290 VAL 291 TYR 292 LYS 293 ALA 294 TYR 295 ASP 296 PRO 297 ARG 298 ALA 299 LYS 300 ILE 301 PHE 302 LYS 303 GLU 304 PHE 305 SER 306 ARG 307 ASP 308 TYR 309 VAL 310 ALA 311 LYS 312 PHE 313 GLY 314 ASP 315 PRO 316 GLN 317 ASN 318 LEU 319 PHE 320 ALA 321 ILE 322 ALA 323 SER 324 ALA 325 ILE 326 GLU 327 GLN 328 GLU 329 VAL 330 LEU 331 SER 332 HIS 333 PRO 334 TYR 335 PHE 336 GLN 337 GLN 338 ARG 339 LYS 340 LEU 341 TYR 342 PRO 343 ASN 344 VAL 345 ASP 346 PHE 347 TRP 348 SER 349 GLY 350 ILE 351 ALA 352 PHE 353 TYR 354 TYR 355 MET 356 GLY 357 ILE 358 PRO 359 TYR 360 GLU 361 TYR 362 PHE 363 THR 364 PRO 365 ILE 366 PHE 367 ALA 368 MET 369 SER 370 ARG 371 VAL 372 VAL 373 GLY 374 TRP 375 VAL 376 ALA 377 HIS 378 VAL 379 LEU 380 GLU 381 TYR 382 TRP 383 GLU 384 ASN 385 ASN 386 ARG 387 ILE 388 PHE 389 ARG 390 PRO 391 ARG 392 ALA 393 CYS 394 TYR 395 ILE 396 GLY 397 PRO 398 HIS 399 ASP 400 LEU 401 GLN 402 TYR 403 ILE 404 PRO 405 LEU 406 GLU 407 GLN 408 ARG 409

Ligands

Unit 3	ACT 902 MG 904
Unit 4	ACT 901 MG 903