2B20 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF ENTEROCHELIN ESTERASE FROM SHIGELLA FLEXNERI ENTEROCHELIN ESTERASE
• Keywords: ALPHA-BETA-ALPHA-SANDWICH, STRUCTURAL GENOMICS, PSI, PROTEIN STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL GENOMICS, MCSG, TRANSPORT PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2B20	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ENTEROCHELIN ESTERASE	A	391	3101	56
2	Ligand	ENTEROCHELIN ESTERASE	A	1	0	10
3	Water			50	0	50
total				442	3101	116

Proteins

Unit 1

ALA 3 LEU 4 LYS 5 VAL 6 GLY 7 SER 8 GLU 9 SER 10 TRP 11 TRP 12 GLN 13 SER 14 LYS 15 HIS 16 GLY 17 PRO 18 GLU 19 TRP 20 GLN 21 ARG 22 LEU 23 ASN 24 ASP 25 GLU 26 MSE 27 PHE 28 GLU 29 VAL 30 THR 31 PHE 32 TRP 33 TRP 34 ARG 35 ASP 36 PRO 37 GLN 38 GLY 39 SER 40 GLU 41 GLU 42 TYR 43 SER 44 THR 45 ILE 46 LYS 47 ARG 48 VAL 49 TRP 50 VAL 51 TYR 52 ILE 53 THR 54 GLY 55 VAL 56 THR 57 ASP 58 HIS 59 HIS 60 GLN 61 GLN 64 PRO 65 GLN 66 SER 67 MSE 68 GLN 69 ARG 70 ILE 71 ALA 72 GLY 73 THR 74 ASP 75 VAL 76 TRP 77 GLN 78 TRP 79 THR 80 THR 81 GLN 82 LEU 83 ASN 84 ALA 85 ASN 86 TRP 87 ARG 88 GLY 89 SER 90 TYR 91 CYS 92 PHE 93 ILE 94 PRO 95 THR 96 GLU 97 ARG 98 ASP 99 ASP 100 ILE 101 PHE 102 SER 103 ALA 104 PRO 105 SER 106 PRO 107 ASP 108 ARG 109 LEU 110 GLU 111 LEU 112 ARG 113 GLU 114 GLY 115 TRP 116 ARG 117 LYS 118 LEU 119 LEU 120 PRO 121 GLN 122 ALA 123 ILE 124 ALA 125 ASP 126 PRO 127 LEU 128 ASN 129 PRO 130 GLN 131 SER 132 TRP 133 LYS 134 GLY 135 GLY 136 LEU 137 GLY 138 HIS 139 ALA 140 VAL 141 SER 142 ALA 143 LEU 144 GLU 145 MSE 146 PRO 147 GLN 148 ALA 149 PRO 150 LEU 151 GLN 152 PRO 153 GLY 154 TRP 155 ASP 156 CYS 157 PRO 158 GLN 159 ALA 160 PRO 161 GLU 162 ILE 163 PRO 164 ALA 165 LYS 166 GLU 167 ILE 168 ILE 169 TRP 170 LYS 171 SER 172 GLU 173 ARG 174 LEU 175 LYS 176 ASN 177 SER 178 ARG 179 ARG 180 VAL 181 TRP 182 ILE 183 PHE 184 THR 185 THR 186 GLY 187 ASP 188 VAL 189 THR 190 GLU 193 ARG 194 PRO 195 LEU 196 ALA 197 VAL 198 LEU 199 LEU 200 ASP 201 GLY 202 GLU 203 PHE 204 TRP 205 ALA 206 GLN 207 SER 208 MSE 209 PRO 210 VAL 211 TRP 212 PRO 213 VAL 214 LEU 215 THR 216 SER 217 LEU 218 THR 219 HIS 220 ARG 221 GLN 222 GLN 223 LEU 224 PRO 225 PRO 226 ALA 227 VAL 228 TYR 229 VAL 230 LEU 231 ILE 232 ASP 233 ALA 234 ILE 235 ASP 236 THR 237 THR 238 HIS 239 ARG 240 ALA 241 HIS 242 GLU 243 LEU 244 PRO 245 CYS 246 ASN 247 ALA 248 ASP 249 PHE 250 TRP 251 LEU 252 ALA 253 VAL 254 GLN 255 GLN 256 GLU 257 LEU 258 LEU 259 PRO 260 LEU 261 VAL 262 LYS 263 VAL 264 ILE 265 ALA 266 PRO 267 PHE 268 SER 269 ASP 270 ARG 271 ALA 272 ASP 273 ARG 274 THR 275 VAL 276 VAL 277 ALA 278 GLY 279 GLN 280 SER 281 PHE 282 GLY 283 GLY 284 LEU 285 SER 286 ALA 287 LEU 288 TYR 289 ALA 290 GLY 291 LEU 292 HIS 293 TRP 294 PRO 295 GLU 296 ARG 297 PHE 298 GLY 299 CYS 300 VAL 301 LEU 302 SER 303 GLN 304 SER 305 GLY 306 SER 307 TYR 308 TRP 309 TRP 310 PRO 311 HIS 312 ARG 313 GLY 314 GLY 315 GLN 316 GLN 317 GLU 318 GLY 319 VAL 320 LEU 321 LEU 322 GLU 323 LYS 324 LEU 325 LYS 326 ALA 327 GLY 328 GLU 329 VAL 330 SER 331 ALA 332 GLU 333 GLY 334 LEU 335 ARG 336 ILE 337 VAL 338 LEU 339 GLU 340 ALA 341 GLY 342 ILE 343 ARG 344 GLU 345 PRO 346 MSE 347 ILE 348 MSE 349 ARG 350 ALA 351 ASN 352 GLN 353 ALA 354 LEU 355 TYR 356 ALA 357 GLN 358 LEU 359 HIS 360 PRO 361 ILE 362 LYS 363 GLU 364 SER 365 ILE 366 PHE 367 TRP 368 ARG 369 GLN 370 VAL 371 ASP 372 GLY 373 GLY 374 HIS 375 ASP 376 ALA 377 LEU 378 CYS 379 TRP 380 ARG 381 GLY 382 GLY 383 LEU 384 MSE 385 GLN 386 GLY 387 LEU 388 ILE 389 ASP 390 LEU 391 TRP 392 GLN 393 PRO 394 LEU 395 PHE 396 HIS 397

Ligands

Unit 2

TLA 501