1I1A - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE NEONATAL FC RECEPTOR COMPLEXED WITH HETERODIMERIC FC
• Keywords: MHC CLASS I FOLD, IG CONSTANT DOMAINS, IMMUNE SYSTEM
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1I1A	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	NEONATAL FC RECEPTOR A	A	265	2106	0
2	Protein	BETA-2-MICROGLOBULIN	B	99	821	0
3	Protein	IG GAMMA-2A CHAIN C REGION	C	205	1634	0
4	Protein	IG GAMMA-2A CHAIN C REGION	D	205	1621	0
5	Ligand		E	2	0	24
6	Ligand		F	6	0	74
7	Ligand		G	8	0	99
8	Ligand		H	8	0	99
9	Ligand	NEONATAL FC RECEPTOR A	A	4	0	42
10	Water			6	0	6
total				808	6182	344

Proteins

Unit 1	LEU 5 PRO 6 LEU 7 MET 8 TYR 9 HIS 10 LEU 11 ALA 12 ALA 13 VAL 14 SER 15 ASP 16 LEU 17 SER 18 THR 19 GLY 20 LEU 21 PRO 22 SER 23 PHE 24 TRP 25 ALA 26 THR 27 GLY 28 TRP 29 LEU 30 GLY 31 ALA 32 GLN 33 GLN 34 TYR 35 LEU 36 THR 37 TYR 38 ASN 39 ASN 40 LEU 41 ARG 42 GLN 43 GLU 44 ALA 45 ASP 46 PRO 47 CYS 48 GLY 49 ALA 50 TRP 51 ILE 52 TRP 53 GLU 54 ASN 55 GLN 56 VAL 57 SER 58 TRP 59 TYR 60 TRP 61 GLU 62 LYS 63 GLU 64 THR 65 THR 66 ASP 67 LEU 68 LYS 69 SER 70 LYS 71 GLU 72 GLN 73 LEU 74 PHE 75 LEU 76 GLU 77 ALA 78 ILE 79 ARG 80 THR 81 LEU 82 GLU 83 ASN 84 GLN 85 ILE 86 ASN 87 GLY 88 THR 89 PHE 90 THR 91 LEU 92 GLN 93 GLY 94 LEU 95 LEU 96 GLY 97 CYS 98 GLU 99 LEU 100 ALA 101 PRO 102 ASP 103 ASN 104 SER 105 SER 106 LEU 107 PRO 108 THR 109 ALA 110 VAL 111 PHE 112 ALA 113 LEU 114 ASN 115 GLY 116 GLU 117 GLU 118 PHE 119 MET 120 ARG 121 PHE 122 ASN 123 PRO 124 ARG 125 THR 126 GLY 127 ASN 128 TRP 129 SER 130 GLY 131 GLU 132 TRP 133 PRO 134 GLU 135 THR 136 ASP 137 ILE 138 VAL 139 GLY 140 ASN 141 LEU 142 TRP 143 MET 144 LYS 145 GLN 146 PRO 147 GLU 148 ALA 149 ALA 150 ARG 151 LYS 152 GLU 153 SER 154 GLU 155 PHE 156 LEU 157 LEU 158 THR 159 SER 160 CYS 161 PRO 162 GLU 163 ARG 164 LEU 165 LEU 166 GLY 167 HIS 168 LEU 169 GLU 170 ARG 171 GLY 172 ARG 173 GLN 174 ASN 175 LEU 176 GLU 177 TRP 178 LYS 179 GLU 180 PRO 181 PRO 182 SER 183 MET 184 ARG 185 LEU 186 LYS 187 ALA 188 ARG 189 PRO 190 GLY 191 ASN 192 SER 193 GLY 194 SER 195 SER 196 VAL 197 LEU 198 THR 199 CYS 200 ALA 201 ALA 202 PHE 203 SER 204 PHE 205 TYR 206 PRO 207 PRO 208 GLU 209 LEU 210 LYS 211 PHE 212 ARG 213 PHE 214 LEU 215 ARG 216 ASN 217 GLY 218 LEU 219 ALA 220 SER 221 GLY 222 SER 223 GLY 224 ASN 225 CYS 226 SER 227 THR 228 GLY 229 PRO 230 ASN 231 GLY 232 ASP 233 GLY 234 SER 235 PHE 236 HIS 237 ALA 238 TRP 239 SER 240 LEU 241 LEU 242 GLU 243 VAL 244 LYS 245 ARG 246 GLY 247 ASP 248 GLU 249 HIS 250 HIS 251 TYR 252 GLN 253 CYS 254 GLN 255 VAL 256 GLU 257 HIS 258 GLU 259 GLY 260 LEU 261 ALA 262 GLN 263 PRO 264 LEU 265 THR 266 VAL 267 ASP 268 LEU 269
Unit 2	ILE 1 GLN 2 LYS 3 THR 4 PRO 5 GLN 6 ILE 7 GLN 8 VAL 9 TYR 10 SER 11 ARG 12 HIS 13 PRO 14 PRO 15 GLU 16 ASN 17 GLY 18 LYS 19 PRO 20 ASN 21 PHE 22 LEU 23 ASN 24 CYS 25 TYR 26 VAL 27 SER 28 GLN 29 PHE 30 HIS 31 PRO 32 PRO 33 GLN 34 ILE 35 GLU 36 ILE 37 GLU 38 LEU 39 LEU 40 LYS 41 ASN 42 GLY 43 LYS 44 LYS 45 ILE 46 PRO 47 ASN 48 ILE 49 GLU 50 MET 51 SER 52 ASP 53 LEU 54 SER 55 PHE 56 SER 57 LYS 58 ASP 59 TRP 60 SER 61 PHE 62 TYR 63 ILE 64 LEU 65 ALA 66 HIS 67 THR 68 GLU 69 PHE 70 THR 71 PRO 72 THR 73 GLU 74 THR 75 ASP 76 VAL 77 TYR 78 ALA 79 CYS 80 ARG 81 VAL 82 LYS 83 HIS 84 VAL 85 THR 86 LEU 87 LYS 88 GLU 89 PRO 90 LYS 91 THR 92 VAL 93 THR 94 TRP 95 ASP 96 ARG 97 ASP 98 MET 99
Unit 3	SER 239 VAL 240 PHE 241 ILE 242 PHE 243 PRO 244 PRO 245 LYS 246 THR 247 LYS 248 ASP 249 VAL 250 LEU 251 THR 252 ILE 253 THR 254 LEU 255 THR 256 PRO 257 LYS 258 VAL 259 THR 260 CYS 261 VAL 262 VAL 263 VAL 264 ASP 265 ILE 266 SER 267 GLN 268 ASN 269 ASP 270 PRO 271 GLU 272 VAL 273 ARG 274 PHE 275 SER 276 TRP 277 PHE 278 ILE 279 ASP 280 ASP 281 VAL 282 GLU 283 VAL 284 HIS 285 THR 286 ALA 287 GLN 288 THR 289 HIS 290 ALA 291 PRO 292 GLU 293 LYS 294 GLN 295 SER 296 ASN 297 SER 298 THR 299 LEU 300 ARG 301 SER 302 VAL 303 SER 304 GLU 305 LEU 306 PRO 307 ILE 308 VAL 309 HIS 310 ARG 311 ASP 312 TRP 313 LEU 314 ASN 315 GLY 316 LYS 317 THR 318 PHE 319 LYS 320 CYS 321 LYS 322 VAL 323 ASN 324 SER 325 GLY 326 ALA 327 PHE 328 PRO 329 ALA 330 PRO 331 ILE 332 GLU 333 LYS 334 SER 335 ILE 336 SER 337 LYS 338 PRO 339 GLU 340 GLY 341 THR 342 PRO 343 ARG 344 GLY 345 PRO 346 GLN 347 VAL 348 TYR 349 THR 350 MET 351 ALA 352 PRO 353 PRO 354 LYS 355 GLU 356 GLU 357 MET 358 THR 359 GLN 360 SER 361 GLN 362 VAL 363 SER 364 ILE 365 THR 366 CYS 367 MET 368 VAL 369 LYS 370 GLY 371 PHE 372 TYR 373 PRO 374 PRO 375 ASP 376 ILE 377 TYR 378 THR 379 GLU 380 TRP 381 LYS 382 MET 383 ASN 384 GLY 385 GLN 386 PRO 387 GLN 388 GLU 389 ASN 390 TYR 391 LYS 392 ASN 393 THR 394 PRO 395 PRO 396 THR 397 MET 398 ASP 399 THR 400 ASP 401 GLY 402 SER 403 TYR 404 PHE 405 LEU 406 TYR 407 SER 408 LYS 409 LEU 410 ASN 411 VAL 412 LYS 413 LYS 414 GLU 415 THR 416 TRP 417 GLN 418 GLN 419 GLY 420 ASN 421 THR 422 PHE 423 THR 424 CYS 425 SER 426 VAL 427 LEU 428 HIS 429 GLU 430 GLY 431 LEU 432 HIS 433 ASN 434 HIS 435 HIS 436 THR 437 GLU 438 LYS 439 SER 440 LEU 441 SER 442 HIS 443
Unit 4	SER 239 VAL 240 PHE 241 ILE 242 PHE 243 PRO 244 PRO 245 LYS 246 THR 247 LYS 248 ASP 249 VAL 250 LEU 251 GLY 252 GLY 253 GLY 254 LEU 255 THR 256 PRO 257 LYS 258 VAL 259 THR 260 CYS 261 VAL 262 VAL 263 VAL 264 ASP 265 ILE 266 SER 267 GLN 268 ASN 269 ASP 270 PRO 271 GLU 272 VAL 273 ARG 274 PHE 275 SER 276 TRP 277 PHE 278 ILE 279 ASP 280 ASP 281 VAL 282 GLU 283 VAL 284 HIS 285 THR 286 ALA 287 GLN 288 THR 289 HIS 290 ALA 291 PRO 292 GLU 293 LYS 294 GLN 295 SER 296 ASN 297 SER 298 THR 299 LEU 300 ARG 301 SER 302 VAL 303 SER 304 GLU 305 LEU 306 PRO 307 ILE 308 VAL 309 GLU 310 ARG 311 ASP 312 TRP 313 LEU 314 ASN 315 GLY 316 LYS 317 THR 318 PHE 319 LYS 320 CYS 321 LYS 322 VAL 323 ASN 324 SER 325 GLY 326 ALA 327 PHE 328 PRO 329 ALA 330 PRO 331 ILE 332 GLU 333 LYS 334 SER 335 ILE 336 SER 337 LYS 338 PRO 339 GLU 340 GLY 341 THR 342 PRO 343 ARG 344 GLY 345 PRO 346 GLN 347 VAL 348 TYR 349 THR 350 MET 351 ALA 352 PRO 353 PRO 354 LYS 355 GLU 356 GLU 357 MET 358 THR 359 GLN 360 SER 361 GLN 362 VAL 363 SER 364 ILE 365 THR 366 CYS 367 MET 368 VAL 369 LYS 370 GLY 371 PHE 372 TYR 373 PRO 374 PRO 375 ASP 376 ILE 377 TYR 378 THR 379 GLU 380 TRP 381 LYS 382 MET 383 ASN 384 GLY 385 GLN 386 PRO 387 GLN 388 GLU 389 ASN 390 TYR 391 LYS 392 ASN 393 THR 394 PRO 395 PRO 396 THR 397 MET 398 ASP 399 THR 400 ASP 401 GLY 402 SER 403 TYR 404 PHE 405 LEU 406 TYR 407 SER 408 LYS 409 LEU 410 ASN 411 VAL 412 LYS 413 LYS 414 GLU 415 THR 416 TRP 417 GLN 418 GLN 419 GLY 420 ASN 421 THR 422 PHE 423 THR 424 CYS 425 SER 426 VAL 427 LEU 428 HIS 429 GLU 430 GLY 431 LEU 432 GLU 433 ASN 434 GLU 435 HIS 436 THR 437 GLU 438 LYS 439 SER 440 LEU 441 SER 442 HIS 443

Ligands

Unit 5	NAG 1 FUC 2
Unit 6	NAG 1 NAG 2 BMA 3 MAN 4 NDG 5 FUC 6
Unit 7	NAG 1 NAG 2 BMA 3 MAN 4 NAG 5 MAN 6 NAG 7 FUL 8
Unit 8	NAG 1 NAG 2 BMA 3 MAN 4 NAG 5 MAN 6 NAG 7 FUC 8
Unit 9	NAG 601 NAG 751 CYS 901 CYS 951