1DBQ - Sequence, Chains, Asymmetric and Biological Units

• Title: DNA-BINDING REGULATORY PROTEIN
• Keywords: TRANSCRIPTION REGULATION, DNA-BINDING REGULATORY PROTEIN, PURINE REPRESSOR
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	PURINE REPRESSOR	A	276	2172	0
2	Protein	PURINE REPRESSOR	B	276	2172	0
3	Ligand	PURINE REPRESSOR	A	2	0	2
4	Ligand	PURINE REPRESSOR	B	1	0	1
5	Water			244	0	244
total				799	4344	247

Proteins

Unit 1

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

Unit 2

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

Ligands

Unit 3	MG 1 MG 2
Unit 4	MG 3