4IL5 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF O-ACETYL SERINE SULFHYDRYLASE FROM ENTA HISTOLYTICA IN COMPLEX WITH ISOLEUCINE
• Keywords: O-ACETYL SERINE SULFHYDRYLASE, CYSTEINE SYNTHASE, FOLD TYPE DEPENDENT ENZYME, LYASE, SERINE ACETYL TRANSFERASE, TRANSFE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4IL5	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	CYSTEINE SYNTHASE	A	336	2557	24
2	Protein	CYSTEINE SYNTHASE	B	334	2540	24
3	Protein	CYSTEINE SYNTHASE	A	1	0	9
4	Ligand	CYSTEINE SYNTHASE	B	1	0	5
5	Water			235	0	235
total				907	5097	297

Proteins

Unit 1	GLU 2 GLN 3 ILE 4 SER 5 ILE 6 SER 7 SER 8 PRO 9 ARG 10 LYS 11 ARG 12 ILE 13 TYR 14 HIS 15 ASN 16 ILE 17 LEU 18 GLU 19 THR 20 ILE 21 GLY 22 GLY 23 THR 24 PRO 25 LEU 26 VAL 27 GLU 28 LEU 29 HIS 30 GLY 31 VAL 32 THR 33 GLU 34 HIS 35 PRO 36 ARG 37 ILE 38 LYS 39 LYS 40 GLY 41 THR 42 ARG 43 ILE 44 LEU 45 VAL 46 LYS 47 LEU 48 GLU 49 TYR 50 PHE 51 ASN 52 PRO 53 MET 54 SER 55 SER 56 VAL 57 LLP 58 ASP 59 ARG 60 VAL 61 GLY 62 PHE 63 ASN 64 ILE 65 VAL 66 TYR 67 GLN 68 ALA 69 ILE 70 LYS 71 ASP 72 GLY 73 ARG 74 LEU 75 LYS 76 PRO 77 GLY 78 MET 79 GLU 80 ILE 81 ILE 82 GLU 83 SER 84 THR 85 SER 86 GLY 87 ASN 88 THR 89 GLY 90 ILE 91 ALA 92 LEU 93 CYS 94 GLN 95 ALA 96 GLY 97 ALA 98 VAL 99 PHE 100 GLY 101 TYR 102 ARG 103 VAL 104 ASN 105 ILE 106 ALA 107 MET 108 PRO 109 SER 110 THR 111 MET 112 SER 113 VAL 114 GLU 115 ARG 116 GLN 117 MET 118 ILE 119 MET 120 LYS 121 ALA 122 PHE 123 GLY 124 ALA 125 GLU 126 LEU 127 ILE 128 LEU 129 THR 130 GLU 131 GLY 132 LYS 133 LYS 134 GLY 135 MET 136 PRO 137 GLY 138 ALA 139 ILE 140 GLU 141 GLU 142 VAL 143 ASN 144 LYS 145 MET 146 ILE 147 LYS 148 GLU 149 ASN 150 PRO 151 GLY 152 LYS 153 TYR 154 PHE 155 VAL 156 ALA 157 ASN 158 GLN 159 PHE 160 GLY 161 ASN 162 PRO 163 ASP 164 ASN 165 THR 166 ALA 167 ALA 168 HIS 169 HIS 170 TYR 171 THR 172 ALA 173 ASN 174 GLU 175 ILE 176 TRP 177 GLU 178 ASP 179 THR 180 ASP 181 GLY 182 GLU 183 VAL 184 ASP 185 ILE 186 VAL 187 VAL 188 SER 189 ALA 190 VAL 191 GLY 192 THR 193 SER 194 GLY 195 THR 196 VAL 197 ILE 198 GLY 199 VAL 200 ALA 201 GLU 202 LYS 203 LEU 204 LYS 205 GLU 206 LYS 207 LYS 208 LYS 209 GLY 210 ILE 211 LYS 212 ILE 213 ILE 214 ALA 215 VAL 216 GLU 217 PRO 218 GLU 219 GLU 220 SER 221 ALA 222 VAL 223 LEU 224 GLU 225 GLY 226 LYS 227 ALA 228 LYS 229 GLY 230 PRO 231 HIS 232 GLY 233 ILE 234 GLN 235 GLY 236 ILE 237 GLY 238 ALA 239 GLY 240 PHE 241 ILE 242 PRO 243 ASP 244 ILE 245 TYR 246 LYS 247 LYS 248 GLU 249 PHE 250 VAL 251 ASP 252 GLU 253 ILE 254 ILE 255 PRO 256 ILE 257 LYS 258 THR 259 GLN 260 ASP 261 ALA 262 TRP 263 LYS 264 MET 265 ALA 266 ARG 267 ALA 268 VAL 269 VAL 270 LYS 271 TYR 272 ASP 273 GLY 274 ILE 275 MET 276 CYS 277 GLY 278 MET 279 SER 280 SER 281 GLY 282 ALA 283 ALA 284 ILE 285 LEU 286 ALA 287 GLY 288 LEU 289 LYS 290 GLU 291 ALA 292 GLU 293 LYS 294 PRO 295 GLU 296 ASN 297 GLU 298 GLY 299 LYS 300 THR 301 ILE 302 VAL 303 ILE 304 ILE 305 VAL 306 PRO 307 SER 308 CYS 309 GLY 310 GLU 311 ARG 312 TYR 313 LEU 314 SER 315 THR 316 ASP 317 LEU 318 TYR 319 LYS 320 ILE 321 LYS 322 ASP 323 GLU 324 GLY 325 THR 326 LYS 327 ILE 328 GLN 329 ILE 330 LEU 331 ASP 332 SER 333 LEU 334 LEU 335 ASN 336 GLU 337
Unit 2	GLU 2 GLN 3 ILE 4 SER 5 ILE 6 SER 7 SER 8 PRO 9 ARG 10 LYS 11 ARG 12 ILE 13 TYR 14 HIS 15 ASN 16 ILE 17 LEU 18 GLU 19 THR 20 ILE 21 GLY 22 GLY 23 THR 24 PRO 25 LEU 26 VAL 27 GLU 28 LEU 29 HIS 30 GLY 31 VAL 32 THR 33 GLU 34 HIS 35 PRO 36 ARG 37 ILE 38 LYS 39 LYS 40 GLY 41 THR 42 ARG 43 ILE 44 LEU 45 VAL 46 LYS 47 LEU 48 GLU 49 TYR 50 PHE 51 ASN 52 PRO 53 MET 54 SER 55 SER 56 VAL 57 LLP 58 ASP 59 ARG 60 VAL 61 GLY 62 PHE 63 ASN 64 ILE 65 VAL 66 TYR 67 GLN 68 ALA 69 ILE 70 LYS 71 ASP 72 GLY 73 ARG 74 LEU 75 LYS 76 PRO 77 GLY 78 MET 79 GLU 80 ILE 81 ILE 82 GLU 83 SER 84 THR 85 SER 86 GLY 87 ASN 88 THR 89 GLY 90 ILE 91 ALA 92 LEU 93 CYS 94 GLN 95 ALA 96 GLY 97 ALA 98 VAL 99 PHE 100 GLY 101 TYR 102 ARG 103 VAL 104 ASN 105 ILE 106 ALA 107 MET 108 PRO 109 SER 110 THR 111 MET 112 SER 113 VAL 114 GLU 115 ARG 116 GLN 117 MET 118 ILE 119 MET 120 LYS 121 ALA 122 PHE 123 GLY 124 ALA 125 GLU 126 LEU 127 ILE 128 LEU 129 THR 130 GLU 131 GLY 132 LYS 133 LYS 134 GLY 135 MET 136 PRO 137 GLY 138 ALA 139 ILE 140 GLU 141 GLU 142 VAL 143 ASN 144 LYS 145 MET 146 ILE 147 LYS 148 GLU 149 ASN 150 PRO 151 GLY 152 LYS 153 TYR 154 PHE 155 VAL 156 ALA 157 ASN 158 GLN 159 PHE 160 GLY 161 ASN 162 PRO 163 ASP 164 ASN 165 THR 166 ALA 167 ALA 168 HIS 169 HIS 170 TYR 171 THR 172 ALA 173 ASN 174 GLU 175 ILE 176 TRP 177 GLU 178 ASP 179 THR 180 ASP 181 GLY 182 GLU 183 VAL 184 ASP 185 ILE 186 VAL 187 VAL 188 SER 189 ALA 190 VAL 191 GLY 192 THR 193 SER 194 GLY 195 THR 196 VAL 197 ILE 198 GLY 199 VAL 200 ALA 201 GLU 202 LYS 203 LEU 204 LYS 205 GLU 206 LYS 207 LYS 208 LYS 209 GLY 210 ILE 211 LYS 212 ILE 213 ILE 214 ALA 215 VAL 216 GLU 217 PRO 218 GLU 219 GLU 220 SER 221 ALA 222 VAL 223 LEU 224 GLU 225 GLY 226 LYS 227 ALA 228 LYS 229 GLY 230 PRO 231 HIS 232 GLY 233 ILE 234 GLN 235 GLY 236 ILE 237 GLY 238 ALA 239 GLY 240 PHE 241 ILE 242 PRO 243 ASP 244 ILE 245 TYR 246 LYS 247 LYS 248 GLU 249 PHE 250 VAL 251 ASP 252 GLU 253 ILE 254 ILE 255 PRO 256 ILE 257 LYS 258 THR 259 GLN 260 ASP 261 ALA 262 TRP 263 LYS 264 MET 265 ALA 266 ARG 267 ALA 268 VAL 269 VAL 270 LYS 271 TYR 272 ASP 273 GLY 274 ILE 275 MET 276 CYS 277 GLY 278 MET 279 SER 280 SER 281 GLY 282 ALA 283 ALA 284 ILE 285 LEU 286 ALA 287 GLY 288 LEU 289 LYS 290 GLU 291 ALA 292 GLU 293 LYS 294 PRO 295 GLU 296 ASN 297 GLU 298 GLY 299 LYS 300 THR 301 ILE 302 VAL 303 ILE 304 ILE 305 VAL 306 PRO 307 SER 308 CYS 309 GLY 310 GLU 311 ARG 312 TYR 313 LEU 314 SER 315 THR 316 ASP 317 LEU 318 TYR 319 LYS 320 ILE 321 LYS 322 ASP 323 GLU 324 GLY 325 THR 326 LYS 327 ILE 328 GLN 329 ILE 330 LEU 331 ASP 332 SER 333 LEU 334 LEU 335
Unit 3	ILE 401

Ligands

Unit 4

SO4 401