1IXE - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF CITRATE SYNTHASE FROM THERMUS THERMOPHI
• Keywords: ENZYME-PRODUCTS COMPLEX, RIKEN STRUCTURAL GENOMICS/PROTEOMIC INITIATIVE, RSGI, STRUCTURAL GENOMICS, LYASE
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	CITRATE SYNTHASE	A	371	2920	0
2	Protein	CITRATE SYNTHASE	B	370	2922	0
3	Protein	CITRATE SYNTHASE	C	366	2887	0
4	Protein	CITRATE SYNTHASE	D	366	2888	0
5	Ligand	CITRATE SYNTHASE	A	5	0	77
6	Ligand	CITRATE SYNTHASE	B	6	0	82
7	Ligand	CITRATE SYNTHASE	C	6	0	82
8	Ligand	CITRATE SYNTHASE	D	5	0	77
9	Water			517	0	517
total				2012	11617	835

Proteins

Unit 1	VAL 3 ALA 4 ARG 5 GLY 6 LEU 7 GLU 8 GLY 9 VAL 10 LEU 11 PHE 12 THR 13 GLU 14 SER 15 ARG 16 MET 17 CYS 18 TYR 19 ILE 20 ASP 21 GLY 22 GLN 23 GLN 24 GLY 25 LYS 26 LEU 27 TYR 28 TYR 29 TYR 30 GLY 31 ILE 32 PRO 33 ILE 34 GLN 35 GLU 36 LEU 37 ALA 38 GLU 39 LYS 40 SER 41 SER 42 PHE 43 GLU 44 GLU 45 THR 46 THR 47 PHE 48 LEU 49 LEU 50 LEU 51 HIS 52 GLY 53 ARG 54 LEU 55 PRO 56 ARG 57 ARG 58 GLN 59 GLU 60 LEU 61 GLU 62 GLU 63 PHE 64 SER 65 ALA 66 ALA 67 LEU 68 ALA 69 ARG 70 ARG 71 ARG 72 ALA 73 LEU 74 PRO 75 ALA 76 HIS 77 LEU 78 LEU 79 GLU 80 SER 81 PHE 82 LYS 83 ARG 84 TYR 85 PRO 86 VAL 87 SER 88 ALA 89 HIS 90 PRO 91 MET 92 SER 93 PHE 94 LEU 95 ARG 96 THR 97 ALA 98 VAL 99 SER 100 GLU 101 PHE 102 GLY 103 MET 104 LEU 105 ASP 106 PRO 107 THR 108 GLU 109 GLY 110 ASP 111 ILE 112 SER 113 ARG 114 GLU 115 ALA 116 LEU 117 TYR 118 GLU 119 LYS 120 GLY 121 LEU 122 ASP 123 LEU 124 ILE 125 ALA 126 LYS 127 PHE 128 ALA 129 THR 130 ILE 131 VAL 132 ALA 133 ALA 134 ASN 135 LYS 136 ARG 137 LEU 138 LYS 139 GLU 140 GLY 141 LYS 142 GLU 143 PRO 144 ILE 145 PRO 146 PRO 147 ARG 148 GLU 149 ASP 150 LEU 151 SER 152 HIS 153 ALA 154 ALA 155 ASN 156 PHE 157 LEU 158 TYR 159 MET 160 ALA 161 ASN 162 GLY 163 VAL 164 GLU 165 PRO 166 SER 167 PRO 168 GLU 169 GLN 170 ALA 171 ARG 172 LEU 173 MET 174 ASP 175 ALA 176 ALA 177 LEU 178 ILE 179 LEU 180 HIS 181 ALA 182 GLU 183 HIS 184 GLY 185 PHE 186 ASN 187 ALA 188 SER 189 THR 190 PHE 191 THR 192 ALA 193 ILE 194 ALA 195 ALA 196 PHE 197 SER 198 THR 199 GLU 200 THR 201 ASP 202 LEU 203 TYR 204 SER 205 ALA 206 ILE 207 THR 208 ALA 209 ALA 210 VAL 211 ALA 212 SER 213 LEU 214 LYS 215 GLY 216 PRO 217 ARG 218 HIS 219 GLY 220 GLY 221 ALA 222 ASN 223 GLU 224 ALA 225 VAL 226 MET 227 ARG 228 MET 229 ILE 230 GLN 231 GLU 232 ILE 233 GLY 234 THR 235 PRO 236 GLU 237 ARG 238 ALA 239 ARG 240 GLU 241 TRP 242 VAL 243 ARG 244 GLU 245 LYS 246 LEU 247 ALA 248 LYS 249 LYS 250 GLU 251 ARG 252 ILE 253 MET 254 GLY 255 MET 256 GLY 257 HIS 258 ARG 259 VAL 260 TYR 261 LYS 262 ALA 263 PHE 264 ASP 265 PRO 266 ARG 267 ALA 268 GLY 269 VAL 270 LEU 271 GLU 272 LYS 273 LEU 274 ALA 275 ARG 276 LEU 277 VAL 278 ALA 279 GLU 280 HIS 284 SER 285 LYS 286 GLU 287 TYR 288 GLN 289 ILE 290 LEU 291 LYS 292 ILE 293 VAL 294 GLU 295 GLU 296 GLU 297 ALA 298 GLY 299 LYS 300 VAL 301 LEU 302 ASN 303 PRO 304 ARG 305 GLY 306 ILE 307 TYR 308 PRO 309 ASN 310 VAL 311 ASP 312 PHE 313 TYR 314 SER 315 GLY 316 VAL 317 VAL 318 TYR 319 SER 320 ASP 321 LEU 322 GLY 323 PHE 324 SER 325 LEU 326 GLU 327 PHE 328 PHE 329 THR 330 PRO 331 ILE 332 PHE 333 ALA 334 VAL 335 ALA 336 ARG 337 ILE 338 SER 339 GLY 340 TRP 341 VAL 342 GLY 343 HIS 344 ILE 345 LEU 346 GLU 347 TYR 348 GLN 349 GLU 350 LEU 351 ASP 352 ASN 353 ARG 354 LEU 355 LEU 356 ARG 357 PRO 358 GLY 359 ALA 360 LYS 361 TYR 362 VAL 363 GLY 364 GLU 365 LEU 366 ASP 367 VAL 368 PRO 369 TYR 370 VAL 371 PRO 372 LEU 373 GLU 374 ALA 375 ARG 376
Unit 2	VAL 3 ALA 4 ARG 5 GLY 6 LEU 7 GLU 8 GLY 9 VAL 10 LEU 11 PHE 12 THR 13 GLU 14 SER 15 ARG 16 MET 17 CYS 18 TYR 19 ILE 20 ASP 21 GLY 22 GLN 23 GLN 24 GLY 25 LYS 26 LEU 27 TYR 28 TYR 29 TYR 30 GLY 31 ILE 32 PRO 33 ILE 34 GLN 35 GLU 36 LEU 37 ALA 38 GLU 39 LYS 40 SER 41 SER 42 PHE 43 GLU 44 GLU 45 THR 46 THR 47 PHE 48 LEU 49 LEU 50 LEU 51 HIS 52 GLY 53 ARG 54 LEU 55 PRO 56 ARG 57 ARG 58 GLN 59 GLU 60 LEU 61 GLU 62 GLU 63 PHE 64 SER 65 ALA 66 ALA 67 LEU 68 ALA 69 ARG 70 ARG 71 ARG 72 ALA 73 LEU 74 PRO 75 ALA 76 HIS 77 LEU 78 LEU 79 GLU 80 SER 81 PHE 82 LYS 83 ARG 84 TYR 85 PRO 86 VAL 87 SER 88 ALA 89 HIS 90 PRO 91 MET 92 SER 93 PHE 94 LEU 95 ARG 96 THR 97 ALA 98 VAL 99 SER 100 GLU 101 PHE 102 GLY 103 MET 104 LEU 105 ASP 106 PRO 107 THR 108 GLU 109 GLY 110 ASP 111 ILE 112 SER 113 ARG 114 GLU 115 ALA 116 LEU 117 TYR 118 GLU 119 LYS 120 GLY 121 LEU 122 ASP 123 LEU 124 ILE 125 ALA 126 LYS 127 PHE 128 ALA 129 THR 130 ILE 131 VAL 132 ALA 133 ALA 134 ASN 135 LYS 136 ARG 137 LEU 138 LYS 139 GLU 140 GLY 141 LYS 142 GLU 143 PRO 144 ILE 145 PRO 146 PRO 147 ARG 148 GLU 149 ASP 150 LEU 151 SER 152 HIS 153 ALA 154 ALA 155 ASN 156 PHE 157 LEU 158 TYR 159 MET 160 ALA 161 ASN 162 GLY 163 VAL 164 GLU 165 PRO 166 SER 167 PRO 168 GLU 169 GLN 170 ALA 171 ARG 172 LEU 173 MET 174 ASP 175 ALA 176 ALA 177 LEU 178 ILE 179 LEU 180 HIS 181 ALA 182 GLU 183 HIS 184 GLY 185 PHE 186 ASN 187 ALA 188 SER 189 THR 190 PHE 191 THR 192 ALA 193 ILE 194 ALA 195 ALA 196 PHE 197 SER 198 THR 199 GLU 200 THR 201 ASP 202 LEU 203 TYR 204 SER 205 ALA 206 ILE 207 THR 208 ALA 209 ALA 210 VAL 211 ALA 212 SER 213 LEU 214 LYS 215 GLY 216 PRO 217 ARG 218 HIS 219 GLY 220 GLY 221 ALA 222 ASN 223 GLU 224 ALA 225 VAL 226 MET 227 ARG 228 MET 229 ILE 230 GLN 231 GLU 232 ILE 233 GLY 234 THR 235 PRO 236 GLU 237 ARG 238 ALA 239 ARG 240 GLU 241 TRP 242 VAL 243 ARG 244 GLU 245 LYS 246 LEU 247 ALA 248 LYS 249 LYS 250 GLU 251 ARG 252 ILE 253 MET 254 GLY 255 MET 256 GLY 257 HIS 258 ARG 259 VAL 260 TYR 261 LYS 262 ALA 263 PHE 264 ASP 265 PRO 266 ARG 267 ALA 268 GLY 269 VAL 270 LEU 271 GLU 272 LYS 273 LEU 274 ALA 275 ARG 276 LEU 277 VAL 278 ALA 279 GLU 280 SER 285 LYS 286 GLU 287 TYR 288 GLN 289 ILE 290 LEU 291 LYS 292 ILE 293 VAL 294 GLU 295 GLU 296 GLU 297 ALA 298 GLY 299 LYS 300 VAL 301 LEU 302 ASN 303 PRO 304 ARG 305 GLY 306 ILE 307 TYR 308 PRO 309 ASN 310 VAL 311 ASP 312 PHE 313 TYR 314 SER 315 GLY 316 VAL 317 VAL 318 TYR 319 SER 320 ASP 321 LEU 322 GLY 323 PHE 324 SER 325 LEU 326 GLU 327 PHE 328 PHE 329 THR 330 PRO 331 ILE 332 PHE 333 ALA 334 VAL 335 ALA 336 ARG 337 ILE 338 SER 339 GLY 340 TRP 341 VAL 342 GLY 343 HIS 344 ILE 345 LEU 346 GLU 347 TYR 348 GLN 349 GLU 350 LEU 351 ASP 352 ASN 353 ARG 354 LEU 355 LEU 356 ARG 357 PRO 358 GLY 359 ALA 360 LYS 361 TYR 362 VAL 363 GLY 364 GLU 365 LEU 366 ASP 367 VAL 368 PRO 369 TYR 370 VAL 371 PRO 372 LEU 373 GLU 374 ALA 375 ARG 376
Unit 3	VAL 3 ALA 4 ARG 5 GLY 6 LEU 7 GLU 8 GLY 9 VAL 10 LEU 11 PHE 12 THR 13 GLU 14 SER 15 ARG 16 MET 17 CYS 18 TYR 19 ILE 20 ASP 21 GLY 22 GLN 23 GLN 24 GLY 25 LYS 26 LEU 27 TYR 28 TYR 29 TYR 30 GLY 31 ILE 32 PRO 33 ILE 34 GLN 35 GLU 36 LEU 37 ALA 38 GLU 39 LYS 40 SER 41 SER 42 PHE 43 GLU 44 GLU 45 THR 46 THR 47 PHE 48 LEU 49 LEU 50 LEU 51 HIS 52 GLY 53 ARG 54 LEU 55 PRO 56 ARG 57 ARG 58 GLN 59 GLU 60 LEU 61 GLU 62 GLU 63 PHE 64 SER 65 ALA 66 ALA 67 LEU 68 ALA 69 ARG 70 ARG 71 ARG 72 ALA 73 LEU 74 PRO 75 ALA 76 HIS 77 LEU 78 LEU 79 GLU 80 SER 81 PHE 82 LYS 83 ARG 84 TYR 85 PRO 86 VAL 87 SER 88 ALA 89 HIS 90 PRO 91 MET 92 SER 93 PHE 94 LEU 95 ARG 96 THR 97 ALA 98 VAL 99 SER 100 GLU 101 PHE 102 GLY 103 MET 104 LEU 105 ASP 106 PRO 107 THR 108 GLU 109 GLY 110 ASP 111 ILE 112 SER 113 ARG 114 GLU 115 ALA 116 LEU 117 TYR 118 GLU 119 LYS 120 GLY 121 LEU 122 ASP 123 LEU 124 ILE 125 ALA 126 LYS 127 PHE 128 ALA 129 THR 130 ILE 131 VAL 132 ALA 133 ALA 134 ASN 135 LYS 136 ARG 137 LEU 138 LYS 139 GLU 140 GLY 141 LYS 142 GLU 143 PRO 144 ILE 145 PRO 146 PRO 147 ARG 148 GLU 149 ASP 150 LEU 151 SER 152 HIS 153 ALA 154 ALA 155 ASN 156 PHE 157 LEU 158 TYR 159 MET 160 ALA 161 ASN 162 GLY 163 VAL 164 GLU 165 PRO 166 SER 167 PRO 168 GLU 169 GLN 170 ALA 171 ARG 172 LEU 173 MET 174 ASP 175 ALA 176 ALA 177 LEU 178 ILE 179 LEU 180 HIS 181 ALA 182 GLU 183 HIS 184 GLY 185 PHE 186 ASN 187 ALA 188 SER 189 THR 190 PHE 191 THR 192 ALA 193 ILE 194 ALA 195 ALA 196 PHE 197 SER 198 THR 199 GLU 200 THR 201 ASP 202 LEU 203 TYR 204 SER 205 ALA 206 ILE 207 THR 208 ALA 209 ALA 210 VAL 211 ALA 212 SER 213 LEU 214 LYS 215 GLY 216 PRO 217 ARG 218 HIS 219 GLY 220 GLY 221 ALA 222 ASN 223 GLU 224 ALA 225 VAL 226 MET 227 ARG 228 MET 229 ILE 230 GLN 231 GLU 232 ILE 233 GLY 234 THR 235 PRO 236 GLU 237 ARG 238 ALA 239 ARG 240 GLU 241 TRP 242 VAL 243 ARG 244 GLU 245 LYS 246 LEU 247 ALA 248 LYS 249 LYS 250 GLU 251 ARG 252 ILE 253 MET 254 GLY 255 MET 256 GLY 257 HIS 258 ARG 259 VAL 260 TYR 261 LYS 262 ALA 263 PHE 264 ASP 265 PRO 266 ARG 267 ALA 268 GLY 269 VAL 270 LEU 271 GLU 272 LYS 273 LEU 274 ALA 275 ARG 276 LEU 277 VAL 278 GLU 287 TYR 288 GLN 289 ILE 290 LEU 291 LYS 292 ILE 293 VAL 294 GLU 295 GLU 296 GLU 297 ALA 298 GLY 299 LYS 300 VAL 301 LEU 302 ASN 303 PRO 304 ARG 305 GLY 306 ILE 307 TYR 308 PRO 309 ASN 310 VAL 311 ASP 312 PHE 313 TYR 314 SER 315 GLY 316 VAL 317 VAL 318 TYR 319 SER 320 ASP 321 LEU 322 GLY 323 PHE 324 SER 325 LEU 326 GLU 327 PHE 328 PHE 329 THR 330 PRO 331 ILE 332 PHE 333 ALA 334 VAL 335 ALA 336 ARG 337 ILE 338 SER 339 GLY 340 TRP 341 VAL 342 GLY 343 HIS 344 ILE 345 LEU 346 GLU 347 TYR 348 GLN 349 GLU 350 LEU 351 ASP 352 ASN 353 ARG 354 LEU 355 LEU 356 ARG 357 PRO 358 GLY 359 ALA 360 LYS 361 TYR 362 VAL 363 GLY 364 GLU 365 LEU 366 ASP 367 VAL 368 PRO 369 TYR 370 VAL 371 PRO 372 LEU 373 GLU 374 ALA 375 ARG 376
Unit 4	VAL 3 ALA 4 ARG 5 GLY 6 LEU 7 GLU 8 GLY 9 VAL 10 LEU 11 PHE 12 THR 13 GLU 14 SER 15 ARG 16 MET 17 CYS 18 TYR 19 ILE 20 ASP 21 GLY 22 GLN 23 GLN 24 GLY 25 LYS 26 LEU 27 TYR 28 TYR 29 TYR 30 GLY 31 ILE 32 PRO 33 ILE 34 GLN 35 GLU 36 LEU 37 ALA 38 GLU 39 LYS 40 SER 41 SER 42 PHE 43 GLU 44 GLU 45 THR 46 THR 47 PHE 48 LEU 49 LEU 50 LEU 51 HIS 52 GLY 53 ARG 54 LEU 55 PRO 56 ARG 57 ARG 58 GLN 59 GLU 60 LEU 61 GLU 62 GLU 63 PHE 64 SER 65 ALA 66 ALA 67 LEU 68 ALA 69 ARG 70 ARG 71 ARG 72 ALA 73 LEU 74 PRO 75 ALA 76 HIS 77 LEU 78 LEU 79 GLU 80 SER 81 PHE 82 LYS 83 ARG 84 TYR 85 PRO 86 VAL 87 SER 88 ALA 89 HIS 90 PRO 91 MET 92 SER 93 PHE 94 LEU 95 ARG 96 THR 97 ALA 98 VAL 99 SER 100 GLU 101 PHE 102 GLY 103 MET 104 LEU 105 ASP 106 PRO 107 THR 108 GLU 109 GLY 110 ASP 111 ILE 112 SER 113 ARG 114 GLU 115 ALA 116 LEU 117 TYR 118 GLU 119 LYS 120 GLY 121 LEU 122 ASP 123 LEU 124 ILE 125 ALA 126 LYS 127 PHE 128 ALA 129 THR 130 ILE 131 VAL 132 ALA 133 ALA 134 ASN 135 LYS 136 ARG 137 LEU 138 LYS 139 GLU 140 GLY 141 LYS 142 GLU 143 PRO 144 ILE 145 PRO 146 PRO 147 ARG 148 GLU 149 ASP 150 LEU 151 SER 152 HIS 153 ALA 154 ALA 155 ASN 156 PHE 157 LEU 158 TYR 159 MET 160 ALA 161 ASN 162 GLY 163 VAL 164 GLU 165 PRO 166 SER 167 PRO 168 GLU 169 GLN 170 ALA 171 ARG 172 LEU 173 MET 174 ASP 175 ALA 176 ALA 177 LEU 178 ILE 179 LEU 180 HIS 181 ALA 182 GLU 183 HIS 184 GLY 185 PHE 186 ASN 187 ALA 188 SER 189 THR 190 PHE 191 THR 192 ALA 193 ILE 194 ALA 195 ALA 196 PHE 197 SER 198 THR 199 GLU 200 THR 201 ASP 202 LEU 203 TYR 204 SER 205 ALA 206 ILE 207 THR 208 ALA 209 ALA 210 VAL 211 ALA 212 SER 213 LEU 214 LYS 215 GLY 216 PRO 217 ARG 218 HIS 219 GLY 220 GLY 221 ALA 222 ASN 223 GLU 224 ALA 225 VAL 226 MET 227 ARG 228 MET 229 ILE 230 GLN 231 GLU 232 ILE 233 GLY 234 THR 235 PRO 236 GLU 237 ARG 238 ALA 239 ARG 240 GLU 241 TRP 242 VAL 243 ARG 244 GLU 245 LYS 246 LEU 247 ALA 248 LYS 249 LYS 250 GLU 251 ARG 252 ILE 253 MET 254 GLY 255 MET 256 GLY 257 HIS 258 ARG 259 VAL 260 TYR 261 LYS 262 ALA 263 PHE 264 ASP 265 PRO 266 ARG 267 ALA 268 GLY 269 VAL 270 LEU 271 GLU 272 LYS 273 LEU 274 ALA 275 ARG 276 LEU 277 LYS 286 GLU 287 TYR 288 GLN 289 ILE 290 LEU 291 LYS 292 ILE 293 VAL 294 GLU 295 GLU 296 GLU 297 ALA 298 GLY 299 LYS 300 VAL 301 LEU 302 ASN 303 PRO 304 ARG 305 GLY 306 ILE 307 TYR 308 PRO 309 ASN 310 VAL 311 ASP 312 PHE 313 TYR 314 SER 315 GLY 316 VAL 317 VAL 318 TYR 319 SER 320 ASP 321 LEU 322 GLY 323 PHE 324 SER 325 LEU 326 GLU 327 PHE 328 PHE 329 THR 330 PRO 331 ILE 332 PHE 333 ALA 334 VAL 335 ALA 336 ARG 337 ILE 338 SER 339 GLY 340 TRP 341 VAL 342 GLY 343 HIS 344 ILE 345 LEU 346 GLU 347 TYR 348 GLN 349 GLU 350 LEU 351 ASP 352 ASN 353 ARG 354 LEU 355 LEU 356 ARG 357 PRO 358 GLY 359 ALA 360 LYS 361 TYR 362 VAL 363 GLY 364 GLU 365 LEU 366 ASP 367 VAL 368 PRO 369 TYR 370 VAL 371 PRO 372 LEU 373 GLU 374 ALA 375 ARG 376

Ligands

Unit 5	SO4 387 SO4 391 COA 401 CIT 405 GOL 411
Unit 6	SO4 382 SO4 383 SO4 385 COA 402 CIT 406 GOL 412
Unit 7	SO4 381 SO4 388 SO4 390 COA 403 CIT 407 GOL 413
Unit 8	SO4 386 SO4 389 COA 404 CIT 408 GOL 414