4XSB - Sequence, Chains, Asymmetric and Biological Units

• Title: DETERMINING THE MOLECULAR BASIS FOR STARTER UNIT SELECTION D DAUNORUBICIN BIOSYNTHESIS
• Keywords: POLYKETIDE, STARTER UNIT, DAUNORUBICIN, TRANSFERASE
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	DAUNORUBICIN-DOXORUBICIN POLYKETIDE SYNTHASE	A	341	2533	11
2	Protein	DAUNORUBICIN-DOXORUBICIN POLYKETIDE SYNTHASE	B	344	2549	11
3	Water			431	0	431
total				1116	5082	453

Proteins

Unit 1

GLY 9 ASP 10 LEU 11 TYR 12 VAL 13 ALA 14 GLY 15 CYS 16 GLY 17 VAL 18 TRP 19 LEU 20 PRO 21 PRO 22 PRO 23 VAL 24 THR 25 THR 26 GLU 27 GLN 28 ALA 29 LEU 30 ALA 31 ALA 32 GLY 33 HIS 34 CYS 35 ASP 36 ARG 37 ARG 38 LEU 39 ALA 40 SER 41 SER 42 THR 43 ARG 44 MET 45 LEU 46 SER 47 VAL 48 ALA 49 VAL 50 ALA 51 ASP 52 LYS 53 GLU 54 THR 55 PRO 56 ALA 57 GLU 58 MET 59 ALA 60 ALA 61 LEU 62 ALA 63 ALA 64 GLN 65 THR 66 ALA 67 LEU 68 ASP 69 ARG 70 SER 71 GLY 72 VAL 73 ALA 74 PRO 75 ALA 76 HIS 77 VAL 78 ASP 79 LEU 80 VAL 81 LEU 82 HIS 83 ALA 84 SER 85 LEU 86 TYR 87 PHE 88 GLN 89 GLY 90 HIS 91 HIS 92 LEU 93 TRP 94 ALA 95 PRO 96 SER 97 SER 98 TYR 99 VAL 100 GLN 101 ARG 102 VAL 103 ALA 104 VAL 105 GLY 106 ASN 107 ARG 108 CYS 109 PRO 110 ALA 111 MET 112 GLU 113 VAL 114 ARG 115 GLN 116 VAL 117 432 118 ASN 119 GLY 120 GLY 121 MET 122 ALA 123 ALA 124 LEU 125 GLU 126 LEU 127 ALA 128 ARG 129 ALA 130 TYR 131 LEU 132 LEU 133 ALA 134 ALA 135 PRO 136 ASP 137 ARG 138 VAL 139 ALA 140 ALA 141 LEU 142 ILE 143 THR 144 THR 145 GLY 146 ASP 147 ARG 148 MET 149 HIS 150 PRO 151 PRO 152 GLY 153 PHE 154 ASP 155 ARG 156 TRP 157 SER 158 SER 159 ASP 160 PRO 161 GLY 162 THR 163 VAL 164 TYR 165 ALA 166 ASP 167 GLY 168 GLY 169 THR 170 ALA 171 LEU 172 VAL 173 LEU 174 SER 175 ARG 176 GLN 177 GLY 178 GLY 179 PHE 180 ALA 181 ARG 182 LEU 183 ARG 184 SER 185 LEU 186 VAL 187 THR 188 VAL 189 SER 190 GLU 191 PRO 192 VAL 193 LEU 194 GLU 195 GLY 196 MET 197 HIS 198 ARG 199 GLY 200 GLY 201 HIS 202 PRO 203 PHE 204 GLY 205 PRO 206 PRO 207 SER 208 PRO 209 GLU 210 GLU 211 GLN 212 ARG 213 ALA 214 VAL 215 ASP 216 LEU 217 ASP 218 ALA 219 HIS 220 LYS 221 ARG 222 ALA 223 TYR 224 VAL 225 ALA 226 GLU 227 ALA 228 GLY 229 SER 230 SER 231 PHE 232 SER 233 VAL 234 ALA 235 ARG 236 VAL 237 SER 238 ALA 239 GLY 240 GLN 241 GLU 242 GLU 243 ALA 244 LEU 245 THR 246 GLY 247 ALA 248 LEU 249 GLU 250 ALA 251 ALA 252 GLY 253 ALA 254 GLY 255 LEU 256 ASP 257 ASP 258 ILE 259 SER 260 ARG 261 VAL 262 VAL 263 LEU 264 PRO 265 HIS 266 MET 267 GLY 268 TRP 269 ARG 270 ARG 271 LEU 272 SER 273 ALA 274 ALA 275 TYR 276 PHE 277 ASN 278 LYS 279 TRP 280 HIS 281 ILE 282 GLN 283 PRO 284 GLU 285 ARG 286 THR 287 THR 288 TRP 289 GLU 290 PHE 291 GLY 292 ARG 293 ARG 294 THR 295 GLY 296 HIS 297 LEU 298 GLY 299 GLY 300 GLY 301 ASP 302 PRO 303 ILE 304 ALA 305 GLY 306 PHE 307 ASP 308 HIS 309 LEU 310 VAL 311 GLY 312 SER 313 GLY 314 ARG 315 LEU 316 ALA 317 PRO 318 GLY 319 GLU 320 LEU 321 CYS 322 LEU 323 LEU 324 VAL 325 SER 326 VAL 327 GLY 328 ALA 329 GLY 330 PHE 331 SER 332 TRP 333 SER 334 CYS 335 ALA 336 VAL 337 VAL 338 GLU 339 LEU 340 LEU 341 GLU 342 ARG 343 PRO 344 SER 345 TRP 346 ALA 347 ALA 348 ALA 349

Unit 2

GLY 6 ALA 7 PRO 8 GLY 9 ASP 10 LEU 11 TYR 12 VAL 13 ALA 14 GLY 15 CYS 16 GLY 17 VAL 18 TRP 19 LEU 20 PRO 21 PRO 22 PRO 23 VAL 24 THR 25 THR 26 GLU 27 GLN 28 ALA 29 LEU 30 ALA 31 ALA 32 GLY 33 HIS 34 CYS 35 ASP 36 ARG 37 ARG 38 LEU 39 ALA 40 SER 41 SER 42 THR 43 ARG 44 MET 45 LEU 46 SER 47 VAL 48 ALA 49 VAL 50 ALA 51 ASP 52 LYS 53 GLU 54 THR 55 PRO 56 ALA 57 GLU 58 MET 59 ALA 60 ALA 61 LEU 62 ALA 63 ALA 64 GLN 65 THR 66 ALA 67 LEU 68 ASP 69 ARG 70 SER 71 GLY 72 VAL 73 ALA 74 PRO 75 ALA 76 HIS 77 VAL 78 ASP 79 LEU 80 VAL 81 LEU 82 HIS 83 ALA 84 SER 85 LEU 86 TYR 87 PHE 88 GLN 89 GLY 90 HIS 91 HIS 92 LEU 93 TRP 94 ALA 95 PRO 96 SER 97 SER 98 TYR 99 VAL 100 GLN 101 ARG 102 VAL 103 ALA 104 VAL 105 GLY 106 ASN 107 ARG 108 CYS 109 PRO 110 ALA 111 MET 112 GLU 113 VAL 114 ARG 115 GLN 116 VAL 117 432 118 ASN 119 GLY 120 GLY 121 MET 122 ALA 123 ALA 124 LEU 125 GLU 126 LEU 127 ALA 128 ARG 129 ALA 130 TYR 131 LEU 132 LEU 133 ALA 134 ALA 135 PRO 136 ASP 137 ARG 138 VAL 139 ALA 140 ALA 141 LEU 142 ILE 143 THR 144 THR 145 GLY 146 ASP 147 ARG 148 MET 149 HIS 150 PRO 151 PRO 152 GLY 153 PHE 154 ASP 155 ARG 156 TRP 157 SER 158 SER 159 ASP 160 PRO 161 GLY 162 THR 163 VAL 164 TYR 165 ALA 166 ASP 167 GLY 168 GLY 169 THR 170 ALA 171 LEU 172 VAL 173 LEU 174 SER 175 ARG 176 GLN 177 GLY 178 GLY 179 PHE 180 ALA 181 ARG 182 LEU 183 ARG 184 SER 185 LEU 186 VAL 187 THR 188 VAL 189 SER 190 GLU 191 PRO 192 VAL 193 LEU 194 GLU 195 GLY 196 MET 197 HIS 198 ARG 199 GLY 200 GLY 201 HIS 202 PRO 203 PHE 204 GLY 205 PRO 206 PRO 207 SER 208 PRO 209 GLU 210 GLU 211 GLN 212 ARG 213 ALA 214 VAL 215 ASP 216 LEU 217 ASP 218 ALA 219 HIS 220 LYS 221 ARG 222 ALA 223 TYR 224 VAL 225 ALA 226 GLU 227 ALA 228 GLY 229 SER 230 SER 231 PHE 232 SER 233 VAL 234 ALA 235 ARG 236 VAL 237 SER 238 ALA 239 GLY 240 GLN 241 GLU 242 GLU 243 ALA 244 LEU 245 THR 246 GLY 247 ALA 248 LEU 249 GLU 250 ALA 251 ALA 252 GLY 253 ALA 254 GLY 255 LEU 256 ASP 257 ASP 258 ILE 259 SER 260 ARG 261 VAL 262 VAL 263 LEU 264 PRO 265 HIS 266 MET 267 GLY 268 TRP 269 ARG 270 ARG 271 LEU 272 SER 273 ALA 274 ALA 275 TYR 276 PHE 277 ASN 278 LYS 279 TRP 280 HIS 281 ILE 282 GLN 283 PRO 284 GLU 285 ARG 286 THR 287 THR 288 TRP 289 GLU 290 PHE 291 GLY 292 ARG 293 ARG 294 THR 295 GLY 296 HIS 297 LEU 298 GLY 299 GLY 300 GLY 301 ASP 302 PRO 303 ILE 304 ALA 305 GLY 306 PHE 307 ASP 308 HIS 309 LEU 310 VAL 311 GLY 312 SER 313 GLY 314 ARG 315 LEU 316 ALA 317 PRO 318 GLY 319 GLU 320 LEU 321 CYS 322 LEU 323 LEU 324 VAL 325 SER 326 VAL 327 GLY 328 ALA 329 GLY 330 PHE 331 SER 332 TRP 333 SER 334 CYS 335 ALA 336 VAL 337 VAL 338 GLU 339 LEU 340 LEU 341 GLU 342 ARG 343 PRO 344 SER 345 TRP 346 ALA 347 ALA 348 ALA 349