1KU2 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THERMUS AQUATICUS RNA POLYMERASE SIGMA SUBUNIT FRAGMENT CONTAINING REGIONS 1.2 TO 3.1
• Keywords: HELICES, TRANSCRIPTION
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1KU2	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SIGMA FACTOR SIGA	A	240	1935	0
2	Protein	SIGMA FACTOR SIGA	B	240	1935	0
3	Ligand	SIGMA FACTOR SIGA	A	2	0	10
total				482	3870	10

Proteins

Unit 1

SER 93 ASP 94 PRO 95 VAL 96 ARG 97 GLN 98 TYR 99 LEU 100 HIS 101 GLU 102 ILE 103 GLY 104 GLN 105 VAL 106 PRO 107 LEU 108 LEU 109 THR 110 LEU 111 GLU 112 GLU 113 GLU 114 ILE 115 ASP 116 LEU 117 ALA 118 ARG 119 LYS 120 VAL 121 GLU 122 GLU 123 GLY 124 MET 125 GLU 126 ALA 127 ILE 128 LYS 129 LYS 130 LEU 131 SER 132 GLU 133 ALA 134 THR 135 GLY 136 LEU 137 ASP 138 GLN 139 GLU 140 LEU 141 ILE 142 ARG 143 GLU 144 VAL 145 VAL 146 ARG 147 ALA 148 LYS 149 ILE 150 LEU 151 GLY 152 THR 153 ALA 154 ARG 155 ILE 156 GLN 157 LYS 158 ILE 159 PRO 160 GLY 161 LEU 162 LYS 163 GLU 164 LYS 165 PRO 166 ASP 167 PRO 168 LYS 169 THR 170 VAL 171 GLU 172 GLU 173 VAL 174 ASP 175 GLY 176 LYS 177 LEU 178 LYS 179 SER 180 LEU 181 PRO 182 LYS 183 GLU 184 LEU 185 LYS 186 ARG 187 TYR 188 LEU 189 HIS 190 ILE 191 ALA 192 ARG 193 GLU 194 GLY 195 GLU 196 ALA 197 ALA 198 ARG 199 GLN 200 HIS 201 LEU 202 ILE 203 GLU 204 ALA 205 ASN 206 LEU 207 ARG 208 LEU 209 VAL 210 VAL 211 SER 212 ILE 213 ALA 214 LYS 215 LYS 216 TYR 217 THR 218 GLY 219 ARG 220 GLY 221 LEU 222 SER 223 PHE 224 LEU 225 ASP 226 LEU 227 ILE 228 GLN 229 GLU 230 GLY 231 ASN 232 GLN 233 GLY 234 LEU 235 ILE 236 ARG 237 ALA 238 VAL 239 GLU 240 LYS 241 PHE 242 GLU 243 TYR 244 LYS 245 ARG 246 ARG 247 PHE 248 LYS 249 PHE 250 SER 251 THR 252 TYR 253 ALA 254 THR 255 TRP 256 TRP 257 ILE 258 ARG 259 GLN 260 ALA 261 ILE 262 ASN 263 ARG 264 ALA 265 ILE 266 ALA 267 ASP 268 GLN 269 ALA 270 ARG 271 THR 272 ILE 273 ARG 274 ILE 275 PRO 276 VAL 277 HIS 278 MET 279 VAL 280 GLU 281 THR 282 ILE 283 ASN 284 LYS 285 LEU 286 SER 287 ARG 288 THR 289 ALA 290 ARG 291 GLN 292 LEU 293 GLN 294 GLN 295 GLU 296 LEU 297 GLY 298 ARG 299 GLU 300 PRO 301 SER 302 TYR 303 GLU 304 GLU 305 ILE 306 ALA 307 GLU 308 ALA 309 MET 310 GLY 311 PRO 312 GLY 313 TRP 314 ASP 315 ALA 316 LYS 317 ARG 318 VAL 319 GLU 320 GLU 321 THR 322 LEU 323 LYS 324 ILE 325 ALA 326 GLN 327 GLU 328 PRO 329 VAL 330 SER 331 LEU 332

Unit 2

SER 93 ASP 94 PRO 95 VAL 96 ARG 97 GLN 98 TYR 99 LEU 100 HIS 101 GLU 102 ILE 103 GLY 104 GLN 105 VAL 106 PRO 107 LEU 108 LEU 109 THR 110 LEU 111 GLU 112 GLU 113 GLU 114 ILE 115 ASP 116 LEU 117 ALA 118 ARG 119 LYS 120 VAL 121 GLU 122 GLU 123 GLY 124 MET 125 GLU 126 ALA 127 ILE 128 LYS 129 LYS 130 LEU 131 SER 132 GLU 133 ALA 134 THR 135 GLY 136 LEU 137 ASP 138 GLN 139 GLU 140 LEU 141 ILE 142 ARG 143 GLU 144 VAL 145 VAL 146 ARG 147 ALA 148 LYS 149 ILE 150 LEU 151 GLY 152 THR 153 ALA 154 ARG 155 ILE 156 GLN 157 LYS 158 ILE 159 PRO 160 GLY 161 LEU 162 LYS 163 GLU 164 LYS 165 PRO 166 ASP 167 PRO 168 LYS 169 THR 170 VAL 171 GLU 172 GLU 173 VAL 174 ASP 175 GLY 176 LYS 177 LEU 178 LYS 179 SER 180 LEU 181 PRO 182 LYS 183 GLU 184 LEU 185 LYS 186 ARG 187 TYR 188 LEU 189 HIS 190 ILE 191 ALA 192 ARG 193 GLU 194 GLY 195 GLU 196 ALA 197 ALA 198 ARG 199 GLN 200 HIS 201 LEU 202 ILE 203 GLU 204 ALA 205 ASN 206 LEU 207 ARG 208 LEU 209 VAL 210 VAL 211 SER 212 ILE 213 ALA 214 LYS 215 LYS 216 TYR 217 THR 218 GLY 219 ARG 220 GLY 221 LEU 222 SER 223 PHE 224 LEU 225 ASP 226 LEU 227 ILE 228 GLN 229 GLU 230 GLY 231 ASN 232 GLN 233 GLY 234 LEU 235 ILE 236 ARG 237 ALA 238 VAL 239 GLU 240 LYS 241 PHE 242 GLU 243 TYR 244 LYS 245 ARG 246 ARG 247 PHE 248 LYS 249 PHE 250 SER 251 THR 252 TYR 253 ALA 254 THR 255 TRP 256 TRP 257 ILE 258 ARG 259 GLN 260 ALA 261 ILE 262 ASN 263 ARG 264 ALA 265 ILE 266 ALA 267 ASP 268 GLN 269 ALA 270 ARG 271 THR 272 ILE 273 ARG 274 ILE 275 PRO 276 VAL 277 HIS 278 MET 279 VAL 280 GLU 281 THR 282 ILE 283 ASN 284 LYS 285 LEU 286 SER 287 ARG 288 THR 289 ALA 290 ARG 291 GLN 292 LEU 293 GLN 294 GLN 295 GLU 296 LEU 297 GLY 298 ARG 299 GLU 300 PRO 301 SER 302 TYR 303 GLU 304 GLU 305 ILE 306 ALA 307 GLU 308 ALA 309 MET 310 GLY 311 PRO 312 GLY 313 TRP 314 ASP 315 ALA 316 LYS 317 ARG 318 VAL 319 GLU 320 GLU 321 THR 322 LEU 323 LYS 324 ILE 325 ALA 326 GLN 327 GLU 328 PRO 329 VAL 330 SER 331 LEU 332

Ligands

Unit 3

SO4 1 SO4 2