3I2A - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A CHIMERIC TRYPSIN INHIBITOR PROTEIN ST WCI(S)
• Keywords: STI(L)-WCI(S), MUTANT, TRYPSIN INHIBITOR, HYDROLASE/HYDROLAS INHIBITOR, CHIMERA, DISULFIDE BOND, PROTEASE INHIBITOR, SER PROTEASE INHIBITOR, HYDROLASE INHIBITOR
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3I2A	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	CHYMOTRYPSIN INHIBITOR 3	A	180	1408	0
2	Protein	CHYMOTRYPSIN INHIBITOR 3	B	180	1399	0
3	Ligand	CHYMOTRYPSIN INHIBITOR 3	A	1	0	1
4	Ligand	CHYMOTRYPSIN INHIBITOR 3	B	1	0	1
5	Water			161	0	161
total				523	2807	163

Proteins

Unit 1

GLY 0 SER 1 HIS 2 MET 3 ASP 4 ASP 5 ASP 6 LEU 7 VAL 8 ASP 9 ALA 10 GLU 11 GLY 12 ASN 13 LEU 14 VAL 15 GLU 16 ASN 17 GLY 18 GLY 19 THR 20 TYR 21 TYR 22 LEU 23 LEU 24 PRO 25 HIS 26 ILE 27 TRP 28 ALA 29 HIS 30 GLY 31 GLY 32 GLY 33 ILE 34 GLU 35 THR 36 ALA 37 LYS 38 THR 39 GLY 40 ASN 41 GLU 42 PRO 43 CYS 44 PRO 45 LEU 46 THR 47 VAL 48 VAL 49 ARG 50 SER 51 PRO 52 ASN 53 GLU 54 VAL 55 SER 56 LYS 57 GLY 58 GLU 59 PRO 60 ILE 61 ARG 62 ILE 63 SER 64 SER 65 PRO 66 TYR 67 ARG 68 ILE 69 ARG 70 PHE 71 ILE 72 PRO 73 ARG 74 GLY 75 SER 76 LEU 77 VAL 78 ALA 79 LEU 80 GLY 81 PHE 82 ALA 83 ASN 84 PRO 85 PRO 86 SER 87 CYS 88 ALA 89 ALA 90 SER 91 PRO 92 TRP 93 TRP 94 THR 95 VAL 96 VAL 97 ASP 98 SER 99 PRO 100 GLN 101 GLY 102 PRO 103 ALA 104 VAL 105 LYS 106 LEU 107 SER 108 GLN 109 GLN 110 LYS 111 LEU 112 PRO 113 GLU 114 LYS 115 ASP 116 ILE 117 LEU 118 VAL 119 PHE 120 LYS 121 PHE 122 GLU 123 LYS 124 VAL 125 SER 126 HIS 127 SER 128 ASN 129 ILE 130 HIS 131 VAL 132 TYR 133 LYS 134 LEU 135 LEU 136 TYR 137 CYS 138 GLN 139 HIS 140 ASP 141 GLU 142 GLU 143 ASP 144 VAL 145 LYS 146 CYS 147 ASP 148 GLN 149 TYR 150 ILE 151 GLY 152 ILE 153 HIS 154 ARG 155 ASP 156 ARG 157 ASN 158 GLY 159 ASN 160 ARG 161 ARG 162 LEU 163 VAL 164 VAL 165 THR 166 GLU 167 GLU 168 ASN 169 PRO 170 LEU 171 GLU 172 LEU 173 VAL 174 LEU 175 LEU 176 LYS 177 ALA 178 LYS 179

Unit 2

GLY 200 SER 201 HIS 202 MET 203 ASP 204 ASP 205 ASP 206 LEU 207 VAL 208 ASP 209 ALA 210 GLU 211 GLY 212 ASN 213 LEU 214 VAL 215 GLU 216 ASN 217 GLY 218 GLY 219 THR 220 TYR 221 TYR 222 LEU 223 LEU 224 PRO 225 HIS 226 ILE 227 TRP 228 ALA 229 HIS 230 GLY 231 GLY 232 GLY 233 ILE 234 GLU 235 THR 236 ALA 237 LYS 238 THR 239 GLY 240 ASN 241 GLU 242 PRO 243 CYS 244 PRO 245 LEU 246 THR 247 VAL 248 VAL 249 ARG 250 SER 251 PRO 252 ASN 253 GLU 254 VAL 255 SER 256 LYS 257 GLY 258 GLU 259 PRO 260 ILE 261 ARG 262 ILE 263 SER 264 SER 265 PRO 266 TYR 267 ARG 268 ILE 269 ARG 270 PHE 271 ILE 272 PRO 273 ARG 274 GLY 275 SER 276 LEU 277 VAL 278 ALA 279 LEU 280 GLY 281 PHE 282 ALA 283 ASN 284 PRO 285 PRO 286 SER 287 CYS 288 ALA 289 ALA 290 SER 291 PRO 292 TRP 293 TRP 294 THR 295 VAL 296 VAL 297 ASP 298 SER 299 PRO 300 GLN 301 GLY 302 PRO 303 ALA 304 VAL 305 LYS 306 LEU 307 SER 308 GLN 309 GLN 310 LYS 311 LEU 312 PRO 313 GLU 314 LYS 315 ASP 316 ILE 317 LEU 318 VAL 319 PHE 320 LYS 321 PHE 322 GLU 323 LYS 324 VAL 325 SER 326 HIS 327 SER 328 ASN 329 ILE 330 HIS 331 VAL 332 TYR 333 LYS 334 LEU 335 LEU 336 TYR 337 CYS 338 GLN 339 HIS 340 ASP 341 GLU 342 GLU 343 ASP 344 VAL 345 LYS 346 CYS 347 ASP 348 GLN 349 TYR 350 ILE 351 GLY 352 ILE 353 HIS 354 ARG 355 ASP 356 ARG 357 ASN 358 GLY 359 ASN 360 ARG 361 ARG 362 LEU 363 VAL 364 VAL 365 THR 366 GLU 367 GLU 368 ASN 369 PRO 370 LEU 371 GLU 372 LEU 373 VAL 374 LEU 375 LEU 376 LYS 377 ALA 378 LYS 379

Ligands

Unit 3	CL 402
Unit 4	CL 401