0.006887 0.000000 0.000000 0.000000 0.006887 0.000000 0.000000 0.000000 0.009630 0.00000 0.00000 0.00000 Wang, J.-H. Meijers, R. Reinherz, E.L. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 145.195 145.195 103.846 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N N N 75 R C N 76 N C N 77 N O N 78 N C N 79 N S N 80 N O N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N N N 89 S C N 90 N C N 91 N O N 92 N C N 93 N C N 94 N C N 95 N O N 96 N N N 97 N O N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N N N 109 S C N 110 N C N 111 N O N 112 N C N 113 N C N 114 N C N 115 N O N 116 N O N 117 N O N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N H N 124 N H N 125 N H N 126 N H N 127 N N N 128 N C N 129 N C N 130 N O N 131 N O N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N N N 138 S C N 139 N C N 140 N O N 141 N C Y 142 N C Y 143 N N Y 144 N C Y 145 N C Y 146 N N N 147 N O N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N N N 159 S C N 160 N C N 161 N O N 162 S C N 163 N C N 164 N C N 165 N C N 166 N O N 167 N H N 168 N H N 169 N H N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N N N 181 S C N 182 N C N 183 N O N 184 N C N 185 N C N 186 N C N 187 N C N 188 N O N 189 N H N 190 N H N 191 N H N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N H N 200 N H N 201 N H N 202 N N N 203 S C N 204 N C N 205 N O N 206 N C N 207 N C N 208 N C N 209 N C N 210 N N N 211 N O N 212 N H N 213 N H N 214 N H N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N N N 228 S C N 229 N C N 230 N O N 231 N C N 232 N C N 233 N S N 234 N C N 235 N O N 236 N H N 237 N H N 238 N H N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N N N 248 S C N 249 N C N 250 N O N 251 N C Y 252 N C Y 253 N C Y 254 N C Y 255 N C Y 256 N C Y 257 N C N 258 N O N 259 N H N 260 N H N 261 N H N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N N N 271 S C N 272 N C N 273 N O N 274 N C N 275 N C N 276 N C N 277 N O N 278 N H N 279 N H N 280 N H N 281 N H N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N N N 288 S C N 289 N C N 290 N O N 291 N C N 292 N O N 293 N O N 294 N H N 295 N H N 296 N H N 297 N H N 298 N H N 299 N H N 300 N H N 301 N N N 302 S C N 303 N C N 304 N O N 305 R C N 306 N O N 307 N C N 308 N O N 309 N H N 310 N H N 311 N H N 312 N H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N N N 319 S C N 320 N C N 321 N O N 322 N C Y 323 N C Y 324 N C Y 325 N C Y 326 N N Y 327 N C Y 328 N C Y 329 N C Y 330 N C Y 331 N C N 332 N O N 333 N H N 334 N H N 335 N H N 336 N H N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N N N 346 S C N 347 N C N 348 N O N 349 N C Y 350 N C Y 351 N C Y 352 N C Y 353 N C Y 354 N C Y 355 N C N 356 N O N 357 N O N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N N N 370 S C N 371 N C N 372 N O N 373 N C N 374 N C N 375 N C N 376 N O N 377 N H N 378 N H N 379 N H N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N doub N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N doub N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N doub N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N doub N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N doub N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N doub N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N doub N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N doub N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N doub N 136 N sing N 137 N sing N 138 N sing N 139 N sing Y 140 N sing Y 141 N doub Y 142 N doub N 143 N sing Y 144 N sing N 145 N sing Y 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N doub N 157 N sing N 158 N sing N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N doub N 178 N sing N 179 N sing N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N doub N 199 N sing N 200 N sing N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N doub N 223 N sing N 224 N sing N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N doub N 242 N sing N 243 N sing N 244 N sing N 245 N sing Y 246 N doub Y 247 N sing Y 248 N sing N 249 N sing Y 250 N doub N 251 N sing Y 252 N doub N 253 N sing Y 254 N sing N 255 N sing N 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N doub N 265 N sing N 266 N sing N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N sing N 281 N doub N 282 N sing N 283 N sing N 284 N sing N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N doub N 295 N sing N 296 N sing N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N doub N 311 N sing N 312 N sing N 313 N sing N 314 N sing Y 315 N doub Y 316 N sing Y 317 N sing N 318 N sing Y 319 N doub Y 320 N sing Y 321 N sing N 322 N sing Y 323 N sing Y 324 N doub N 325 N sing Y 326 N doub N 327 N sing Y 328 N sing N 329 N sing N 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N doub N 339 N sing N 340 N sing N 341 N sing N 342 N sing Y 343 N doub Y 344 N sing Y 345 N sing N 346 N sing Y 347 N doub N 348 N sing Y 349 N doub N 350 N sing Y 351 N sing N 352 N sing N 353 N sing N 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N doub N 363 N sing N 364 N sing N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 98 10799 10804 10.1073/pnas.191124098 11535811 Crystal structure of the human CD4 N-terminal two-domain fragment complexed to a class II MHC molecule. 2001 10.2210/pdb1jl4/pdb pdb_00001jl4 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 mirrors CCD 2000-12-12 SBC-2 Si 111 SINGLE WAVELENGTH M x-ray 1 1.033 1.0 19-ID APS 1.033 SYNCHROTRON APS BEAMLINE 19-ID 20429.812 H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, A-K ALPHA CHAIN 1 man polymer 21887.592 H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, A-K BETA CHAIN 1 man polymer 1700.766 OVOTRANSFERRIN 1 man polymer 19725.414 T-CELL SURFACE GLYCOPROTEIN CD4 1 man polymer CONALBUMIN T-CELL SURFACE ANTIGEN T4/LEU-3 no no HVGSYGITVYQSPGDIGQYTFEFDGDELFYVDLDKKETVWMLPEFAQLRRFEPQGGLQNIATGKHNLEILTKRSNSTPAT NEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFFVNRDYSFHKLSYLTFIPSDDDIYDC KVEHWGLEEPVLKHWEPE HVGSYGITVYQSPGDIGQYTFEFDGDELFYVDLDKKETVWMLPEFAQLRRFEPQGGLQNIATGKHNLEILTKRSNSTPAT NEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFFVNRDYSFHKLSYLTFIPSDDDIYDC KVEHWGLEEPVLKHWEPE A polypeptide(L) no no GSFVHQFQPFCYFTNGTQRIRLVIRYIYNREEYVRFDSDVGEYRAVTELGRPDAEYWNKQYLERTRAELDTVCRHNYEKT ETPTSLRRLEQPSVVISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRNGQEETVGVSSTQLIRNGDWTFQVLVMLEMTP RRGEVYTCHVEHPSLTSPITVEWRA GSFVHQFQPFCYFTNGTQRIRLVIRYIYNREEYVRFDSDVGEYRAVTELGRPDAEYWNKQYLERTRAELDTVCRHNYEKT ETPTSLRRLEQPSVVISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRNGQEETVGVSSTQLIRNGDWTFQVLVMLEMTP RRGEVYTCHVEHPSLTSPITVEWRA B polypeptide(L) no no GNSHRGAIEWEGIESG GNSHRGAIEWEGIESG C polypeptide(L) no no KKVVLGKKGDTVELTCTASQKKSIQFHWKNSNQIKILGNQGSFLTKGPSKLNDRADSRRSLWDQGNFPLIIKNLKIEDSD TYICEVEDQKEEVQLLVFGLTANSDTHLLQGQSLTLTLESPPGSSPSVQCRSPRGKNIQGGKTLSVSQLELQDSGTWTCT VLQNQKKVEFKIDIVVLA KKVVLGKKGDTVELTCTASQKKSIQFHWKNSNQIKILGNQGSFLTKGPSKLNDRADSRRSLWDQGNFPLIIKNLKIEDSD TYICEVEDQKEEVQLLVFGLTANSDTHLLQGQSLTLTLESPPGSSPSVQCRSPRGKNIQGGKTLSVSQLELQDSGTWTCT VLQNQKKVEFKIDIVVLA D polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n house mouse Mus Chinese hamster Cricetulus sample 10090 Mus musculus 10029 Cricetulus griseus house mouse Mus Chinese hamster Cricetulus sample 10090 Mus musculus 10029 Cricetulus griseus chicken Gallus chicken Gallus sample 9031 Gallus gallus 9031 Gallus gallus human Homo Chinese hamster Cricetulus sample 9606 Homo sapiens 10029 Cricetulus griseus 1 4.29 70 VAPOR DIFFUSION, HANGING DROP 8.5 17% PEG 4,000/0.2M Li2SO4/0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K 297 software chem_comp_atom chem_comp_bond database_2 pdbx_initial_refinement_model struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Refinement description Data collection Database references Refinement description 1 0 2001-09-19 1 1 2008-04-27 1 2 2011-07-13 1 3 2017-10-04 1 4 2023-08-16 _software.classification _software.name _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details murine Class II MHC molecule human CD4 fragment (domain I and II) human CD4 fragment (domain I to IV) HIV gp120 glycoprotein complexed with human CD4 fragment (domain I and II) RCSB Y RCSB 2001-07-15 REL REL 1IAK 1IAK and 3CD4 PDB experimental model 3CD4 1IAK and 3CD4 PDB experimental model HIS 5 n 1 HIS 5 A VAL 6 n 2 VAL 6 A GLY 7 n 3 GLY 7 A SER 8 n 4 SER 8 A TYR 9 n 5 TYR 9 A GLY 209 n 6 A GLY 9 A ILE 10 n 7 ILE 10 A THR 11 n 8 THR 11 A VAL 12 n 9 VAL 12 A TYR 13 n 10 TYR 13 A GLN 14 n 11 GLN 14 A SER 15 n 12 SER 15 A PRO 16 n 13 PRO 16 A GLY 17 n 14 GLY 17 A ASP 18 n 15 ASP 18 A ILE 19 n 16 ILE 19 A GLY 20 n 17 GLY 20 A GLN 21 n 18 GLN 21 A TYR 22 n 19 TYR 22 A THR 23 n 20 THR 23 A PHE 24 n 21 PHE 24 A GLU 25 n 22 GLU 25 A PHE 26 n 23 PHE 26 A ASP 27 n 24 ASP 27 A GLY 28 n 25 GLY 28 A ASP 29 n 26 ASP 29 A GLU 30 n 27 GLU 30 A LEU 31 n 28 LEU 31 A PHE 32 n 29 PHE 32 A TYR 33 n 30 TYR 33 A VAL 34 n 31 VAL 34 A ASP 35 n 32 ASP 35 A LEU 36 n 33 LEU 36 A ASP 37 n 34 ASP 37 A LYS 38 n 35 LYS 38 A LYS 39 n 36 LYS 39 A GLU 40 n 37 GLU 40 A THR 41 n 38 THR 41 A VAL 42 n 39 VAL 42 A TRP 43 n 40 TRP 43 A MET 44 n 41 MET 44 A LEU 45 n 42 LEU 45 A PRO 46 n 43 PRO 46 A GLU 47 n 44 GLU 47 A PHE 48 n 45 PHE 48 A ALA 49 n 46 ALA 49 A GLN 50 n 47 GLN 50 A LEU 51 n 48 LEU 51 A ARG 52 n 49 ARG 52 A ARG 53 n 50 ARG 53 A PHE 54 n 51 PHE 54 A GLU 55 n 52 GLU 55 A PRO 56 n 53 PRO 56 A GLN 57 n 54 GLN 57 A GLY 58 n 55 GLY 58 A GLY 59 n 56 GLY 59 A LEU 60 n 57 LEU 60 A GLN 61 n 58 GLN 61 A ASN 62 n 59 ASN 62 A ILE 63 n 60 ILE 63 A ALA 64 n 61 ALA 64 A THR 65 n 62 THR 65 A GLY 66 n 63 GLY 66 A LYS 67 n 64 LYS 67 A HIS 68 n 65 HIS 68 A ASN 69 n 66 ASN 69 A LEU 70 n 67 LEU 70 A GLU 71 n 68 GLU 71 A ILE 72 n 69 ILE 72 A LEU 73 n 70 LEU 73 A THR 74 n 71 THR 74 A LYS 75 n 72 LYS 75 A ARG 76 n 73 ARG 76 A SER 77 n 74 SER 77 A ASN 78 n 75 ASN 78 A SER 79 n 76 SER 79 A THR 80 n 77 THR 80 A PRO 81 n 78 PRO 81 A ALA 82 n 79 ALA 82 A THR 83 n 80 THR 83 A ASN 84 n 81 ASN 84 A GLU 85 n 82 GLU 85 A ALA 86 n 83 ALA 86 A PRO 87 n 84 PRO 87 A GLN 88 n 85 GLN 88 A ALA 89 n 86 ALA 89 A THR 90 n 87 THR 90 A VAL 91 n 88 VAL 91 A PHE 92 n 89 PHE 92 A PRO 93 n 90 PRO 93 A LYS 94 n 91 LYS 94 A SER 95 n 92 SER 95 A PRO 96 n 93 PRO 96 A VAL 97 n 94 VAL 97 A LEU 98 n 95 LEU 98 A LEU 99 n 96 LEU 99 A GLY 100 n 97 GLY 100 A GLN 101 n 98 GLN 101 A PRO 102 n 99 PRO 102 A ASN 103 n 100 ASN 103 A THR 104 n 101 THR 104 A LEU 105 n 102 LEU 105 A ILE 106 n 103 ILE 106 A CYS 107 n 104 CYS 107 A PHE 108 n 105 PHE 108 A VAL 109 n 106 VAL 109 A ASP 110 n 107 ASP 110 A ASN 111 n 108 ASN 111 A ILE 112 n 109 ILE 112 A PHE 113 n 110 PHE 113 A PRO 114 n 111 PRO 114 A PRO 115 n 112 PRO 115 A VAL 116 n 113 VAL 116 A ILE 117 n 114 ILE 117 A ASN 118 n 115 ASN 118 A ILE 119 n 116 ILE 119 A THR 120 n 117 THR 120 A TRP 121 n 118 TRP 121 A LEU 122 n 119 LEU 122 A ARG 123 n 120 ARG 123 A ASN 124 n 121 ASN 124 A SER 125 n 122 SER 125 A LYS 126 n 123 LYS 126 A SER 127 n 124 SER 127 A VAL 128 n 125 VAL 128 A THR 129 n 126 THR 129 A ASP 130 n 127 ASP 130 A GLY 131 n 128 GLY 131 A VAL 132 n 129 VAL 132 A TYR 133 n 130 TYR 133 A GLU 134 n 131 GLU 134 A THR 135 n 132 THR 135 A SER 136 n 133 SER 136 A PHE 137 n 134 PHE 137 A PHE 138 n 135 PHE 138 A VAL 139 n 136 VAL 139 A ASN 140 n 137 ASN 140 A ARG 141 n 138 ARG 141 A ASP 142 n 139 ASP 142 A TYR 143 n 140 TYR 143 A SER 144 n 141 SER 144 A PHE 145 n 142 PHE 145 A HIS 146 n 143 HIS 146 A LYS 147 n 144 LYS 147 A LEU 148 n 145 LEU 148 A SER 149 n 146 SER 149 A TYR 150 n 147 TYR 150 A LEU 151 n 148 LEU 151 A THR 152 n 149 THR 152 A PHE 153 n 150 PHE 153 A ILE 154 n 151 ILE 154 A PRO 155 n 152 PRO 155 A SER 156 n 153 SER 156 A ASP 157 n 154 ASP 157 A ASP 158 n 155 ASP 158 A ASP 159 n 156 ASP 159 A ILE 160 n 157 ILE 160 A TYR 161 n 158 TYR 161 A ASP 162 n 159 ASP 162 A CYS 163 n 160 CYS 163 A LYS 164 n 161 LYS 164 A VAL 165 n 162 VAL 165 A GLU 166 n 163 GLU 166 A HIS 167 n 164 HIS 167 A TRP 168 n 165 TRP 168 A GLY 169 n 166 GLY 169 A LEU 170 n 167 LEU 170 A GLU 171 n 168 GLU 171 A GLU 172 n 169 GLU 172 A PRO 173 n 170 PRO 173 A VAL 174 n 171 VAL 174 A LEU 175 n 172 LEU 175 A LYS 176 n 173 LYS 176 A HIS 177 n 174 HIS 177 A TRP 178 n 175 TRP 178 A GLU 179 n 176 GLU 179 A PRO 180 n 177 PRO 180 A GLU 181 n 178 GLU 181 A GLY 5 n 1 GLY 5 B SER 6 n 2 SER 6 B PHE 7 n 3 PHE 7 B VAL 8 n 4 VAL 8 B HIS 9 n 5 HIS 9 B GLN 10 n 6 GLN 10 B PHE 11 n 7 PHE 11 B GLN 12 n 8 GLN 12 B PRO 13 n 9 PRO 13 B PHE 14 n 10 PHE 14 B CYS 15 n 11 CYS 15 B TYR 16 n 12 TYR 16 B PHE 17 n 13 PHE 17 B THR 18 n 14 THR 18 B ASN 19 n 15 ASN 19 B GLY 20 n 16 GLY 20 B THR 21 n 17 THR 21 B GLN 22 n 18 GLN 22 B ARG 23 n 19 ARG 23 B ILE 24 n 20 ILE 24 B ARG 25 n 21 ARG 25 B LEU 26 n 22 LEU 26 B VAL 27 n 23 VAL 27 B ILE 28 n 24 ILE 28 B ARG 29 n 25 ARG 29 B TYR 30 n 26 TYR 30 B ILE 31 n 27 ILE 31 B TYR 32 n 28 TYR 32 B ASN 33 n 29 ASN 33 B ARG 34 n 30 ARG 34 B GLU 35 n 31 GLU 35 B GLU 36 n 32 GLU 36 B TYR 37 n 33 TYR 37 B VAL 38 n 34 VAL 38 B ARG 39 n 35 ARG 39 B PHE 40 n 36 PHE 40 B ASP 41 n 37 ASP 41 B SER 42 n 38 SER 42 B ASP 43 n 39 ASP 43 B VAL 44 n 40 VAL 44 B GLY 45 n 41 GLY 45 B GLU 46 n 42 GLU 46 B TYR 47 n 43 TYR 47 B ARG 48 n 44 ARG 48 B ALA 49 n 45 ALA 49 B VAL 50 n 46 VAL 50 B THR 51 n 47 THR 51 B GLU 52 n 48 GLU 52 B LEU 53 n 49 LEU 53 B GLY 54 n 50 GLY 54 B ARG 55 n 51 ARG 55 B PRO 56 n 52 PRO 56 B ASP 57 n 53 ASP 57 B ALA 58 n 54 ALA 58 B GLU 59 n 55 GLU 59 B TYR 60 n 56 TYR 60 B TRP 61 n 57 TRP 61 B ASN 62 n 58 ASN 62 B LYS 63 n 59 LYS 63 B GLN 64 n 60 GLN 64 B TYR 67 n 61 TYR 67 B LEU 68 n 62 LEU 68 B GLU 69 n 63 GLU 69 B ARG 70 n 64 ARG 70 B THR 71 n 65 THR 71 B ARG 72 n 66 ARG 72 B ALA 73 n 67 ALA 73 B GLU 74 n 68 GLU 74 B LEU 75 n 69 LEU 75 B ASP 76 n 70 ASP 76 B THR 77 n 71 THR 77 B VAL 78 n 72 VAL 78 B CYS 79 n 73 CYS 79 B ARG 80 n 74 ARG 80 B HIS 81 n 75 HIS 81 B ASN 82 n 76 ASN 82 B TYR 83 n 77 TYR 83 B GLU 84 n 78 GLU 84 B LYS 284 n 79 A LYS 84 B THR 85 n 80 THR 85 B GLU 86 n 81 GLU 86 B THR 87 n 82 THR 87 B PRO 88 n 83 PRO 88 B THR 89 n 84 THR 89 B SER 90 n 85 SER 90 B LEU 91 n 86 LEU 91 B ARG 92 n 87 ARG 92 B ARG 93 n 88 ARG 93 B LEU 94 n 89 LEU 94 B GLU 95 n 90 GLU 95 B GLN 96 n 91 GLN 96 B PRO 97 n 92 PRO 97 B SER 98 n 93 SER 98 B VAL 99 n 94 VAL 99 B VAL 100 n 95 VAL 100 B ILE 101 n 96 ILE 101 B SER 102 n 97 SER 102 B LEU 103 n 98 LEU 103 B SER 104 n 99 SER 104 B ARG 105 n 100 ARG 105 B THR 106 n 101 THR 106 B GLU 107 n 102 GLU 107 B ALA 108 n 103 ALA 108 B LEU 109 n 104 LEU 109 B ASN 110 n 105 ASN 110 B HIS 111 n 106 HIS 111 B HIS 112 n 107 HIS 112 B ASN 113 n 108 ASN 113 B THR 114 n 109 THR 114 B LEU 115 n 110 LEU 115 B VAL 116 n 111 VAL 116 B CYS 117 n 112 CYS 117 B SER 118 n 113 SER 118 B VAL 119 n 114 VAL 119 B THR 120 n 115 THR 120 B ASP 121 n 116 ASP 121 B PHE 122 n 117 PHE 122 B TYR 123 n 118 TYR 123 B PRO 124 n 119 PRO 124 B ALA 125 n 120 ALA 125 B LYS 126 n 121 LYS 126 B ILE 127 n 122 ILE 127 B LYS 128 n 123 LYS 128 B VAL 129 n 124 VAL 129 B ARG 130 n 125 ARG 130 B TRP 131 n 126 TRP 131 B PHE 132 n 127 PHE 132 B ARG 133 n 128 ARG 133 B ASN 134 n 129 ASN 134 B GLY 135 n 130 GLY 135 B GLN 136 n 131 GLN 136 B GLU 137 n 132 GLU 137 B GLU 138 n 133 GLU 138 B THR 139 n 134 THR 139 B VAL 140 n 135 VAL 140 B GLY 141 n 136 GLY 141 B VAL 142 n 137 VAL 142 B SER 143 n 138 SER 143 B SER 144 n 139 SER 144 B THR 145 n 140 THR 145 B GLN 146 n 141 GLN 146 B LEU 147 n 142 LEU 147 B ILE 148 n 143 ILE 148 B ARG 149 n 144 ARG 149 B ASN 150 n 145 ASN 150 B GLY 151 n 146 GLY 151 B ASP 152 n 147 ASP 152 B TRP 153 n 148 TRP 153 B THR 154 n 149 THR 154 B PHE 155 n 150 PHE 155 B GLN 156 n 151 GLN 156 B VAL 157 n 152 VAL 157 B LEU 158 n 153 LEU 158 B VAL 159 n 154 VAL 159 B MET 160 n 155 MET 160 B LEU 161 n 156 LEU 161 B GLU 162 n 157 GLU 162 B MET 163 n 158 MET 163 B THR 164 n 159 THR 164 B PRO 165 n 160 PRO 165 B ARG 166 n 161 ARG 166 B ARG 167 n 162 ARG 167 B GLY 168 n 163 GLY 168 B GLU 169 n 164 GLU 169 B VAL 170 n 165 VAL 170 B TYR 171 n 166 TYR 171 B THR 172 n 167 THR 172 B CYS 173 n 168 CYS 173 B HIS 174 n 169 HIS 174 B VAL 175 n 170 VAL 175 B GLU 176 n 171 GLU 176 B HIS 177 n 172 HIS 177 B PRO 178 n 173 PRO 178 B SER 179 n 174 SER 179 B LEU 180 n 175 LEU 180 B THR 181 n 176 THR 181 B SER 182 n 177 SER 182 B PRO 183 n 178 PRO 183 B ILE 184 n 179 ILE 184 B THR 185 n 180 THR 185 B VAL 186 n 181 VAL 186 B GLU 187 n 182 GLU 187 B TRP 188 n 183 TRP 188 B ARG 189 n 184 ARG 189 B ALA 190 n 185 ALA 190 B GLY 131 n 1 GLY 131 C ASN 132 n 2 ASN 132 C SER 133 n 3 SER 133 C HIS 134 n 4 HIS 134 C ARG 135 n 5 ARG 135 C GLY 136 n 6 GLY 136 C ALA 137 n 7 ALA 137 C ILE 138 n 8 ILE 138 C GLU 139 n 9 GLU 139 C TRP 140 n 10 TRP 140 C GLU 141 n 11 GLU 141 C GLY 142 n 12 GLY 142 C ILE 143 n 13 ILE 143 C GLU 144 n 14 GLU 144 C SER 145 n 15 SER 145 C GLY 146 n 16 GLY 146 C LYS 1 n 1 LYS 1 D LYS 2 n 2 LYS 2 D VAL 3 n 3 VAL 3 D VAL 4 n 4 VAL 4 D LEU 5 n 5 LEU 5 D GLY 6 n 6 GLY 6 D LYS 7 n 7 LYS 7 D LYS 8 n 8 LYS 8 D GLY 9 n 9 GLY 9 D ASP 10 n 10 ASP 10 D THR 11 n 11 THR 11 D VAL 12 n 12 VAL 12 D GLU 13 n 13 GLU 13 D LEU 14 n 14 LEU 14 D THR 15 n 15 THR 15 D CYS 16 n 16 CYS 16 D THR 17 n 17 THR 17 D ALA 18 n 18 ALA 18 D SER 19 n 19 SER 19 D GLN 20 n 20 GLN 20 D LYS 21 n 21 LYS 21 D LYS 22 n 22 LYS 22 D SER 23 n 23 SER 23 D ILE 24 n 24 ILE 24 D GLN 25 n 25 GLN 25 D PHE 26 n 26 PHE 26 D HIS 27 n 27 HIS 27 D TRP 28 n 28 TRP 28 D LYS 29 n 29 LYS 29 D ASN 30 n 30 ASN 30 D SER 31 n 31 SER 31 D ASN 32 n 32 ASN 32 D GLN 33 n 33 GLN 33 D ILE 34 n 34 ILE 34 D LYS 35 n 35 LYS 35 D ILE 36 n 36 ILE 36 D LEU 37 n 37 LEU 37 D GLY 38 n 38 GLY 38 D ASN 39 n 39 ASN 39 D GLN 40 n 40 GLN 40 D GLY 41 n 41 GLY 41 D SER 42 n 42 SER 42 D PHE 43 n 43 PHE 43 D LEU 44 n 44 LEU 44 D THR 45 n 45 THR 45 D LYS 46 n 46 LYS 46 D GLY 47 n 47 GLY 47 D PRO 48 n 48 PRO 48 D SER 49 n 49 SER 49 D LYS 50 n 50 LYS 50 D LEU 51 n 51 LEU 51 D ASN 52 n 52 ASN 52 D ASP 53 n 53 ASP 53 D ARG 54 n 54 ARG 54 D ALA 55 n 55 ALA 55 D ASP 56 n 56 ASP 56 D SER 57 n 57 SER 57 D ARG 58 n 58 ARG 58 D ARG 59 n 59 ARG 59 D SER 60 n 60 SER 60 D LEU 61 n 61 LEU 61 D TRP 62 n 62 TRP 62 D ASP 63 n 63 ASP 63 D GLN 64 n 64 GLN 64 D GLY 65 n 65 GLY 65 D ASN 66 n 66 ASN 66 D PHE 67 n 67 PHE 67 D PRO 68 n 68 PRO 68 D LEU 69 n 69 LEU 69 D ILE 70 n 70 ILE 70 D ILE 71 n 71 ILE 71 D LYS 72 n 72 LYS 72 D ASN 73 n 73 ASN 73 D LEU 74 n 74 LEU 74 D LYS 75 n 75 LYS 75 D ILE 76 n 76 ILE 76 D GLU 77 n 77 GLU 77 D ASP 78 n 78 ASP 78 D SER 79 n 79 SER 79 D ASP 80 n 80 ASP 80 D THR 81 n 81 THR 81 D TYR 82 n 82 TYR 82 D ILE 83 n 83 ILE 83 D CYS 84 n 84 CYS 84 D GLU 85 n 85 GLU 85 D VAL 86 n 86 VAL 86 D GLU 87 n 87 GLU 87 D ASP 88 n 88 ASP 88 D GLN 89 n 89 GLN 89 D LYS 90 n 90 LYS 90 D GLU 91 n 91 GLU 91 D GLU 92 n 92 GLU 92 D VAL 93 n 93 VAL 93 D GLN 94 n 94 GLN 94 D LEU 95 n 95 LEU 95 D LEU 96 n 96 LEU 96 D VAL 97 n 97 VAL 97 D PHE 98 n 98 PHE 98 D GLY 99 n 99 GLY 99 D LEU 100 n 100 LEU 100 D THR 101 n 101 THR 101 D ALA 102 n 102 ALA 102 D ASN 103 n 103 ASN 103 D SER 104 n 104 SER 104 D ALA 105 n 105 ASP 105 D THR 106 n 106 THR 106 D HIS 107 n 107 HIS 107 D LEU 108 n 108 LEU 108 D LEU 109 n 109 LEU 109 D GLN 110 n 110 GLN 110 D GLY 111 n 111 GLY 111 D GLN 112 n 112 GLN 112 D SER 113 n 113 SER 113 D LEU 114 n 114 LEU 114 D THR 115 n 115 THR 115 D LEU 116 n 116 LEU 116 D THR 117 n 117 THR 117 D LEU 118 n 118 LEU 118 D GLU 119 n 119 GLU 119 D SER 120 n 120 SER 120 D PRO 121 n 121 PRO 121 D PRO 122 n 122 PRO 122 D GLY 123 n 123 GLY 123 D SER 124 n 124 SER 124 D SER 125 n 125 SER 125 D PRO 126 n 126 PRO 126 D SER 127 n 127 SER 127 D VAL 128 n 128 VAL 128 D GLN 129 n 129 GLN 129 D CYS 130 n 130 CYS 130 D ARG 131 n 131 ARG 131 D SER 132 n 132 SER 132 D PRO 133 n 133 PRO 133 D ARG 134 n 134 ARG 134 D GLY 135 n 135 GLY 135 D LYS 136 n 136 LYS 136 D ASN 137 n 137 ASN 137 D ILE 138 n 138 ILE 138 D GLN 139 n 139 GLN 139 D GLY 140 n 140 GLY 140 D GLY 141 n 141 GLY 141 D LYS 142 n 142 LYS 142 D THR 143 n 143 THR 143 D LEU 144 n 144 LEU 144 D SER 145 n 145 SER 145 D VAL 146 n 146 VAL 146 D SER 147 n 147 SER 147 D GLN 148 n 148 GLN 148 D LEU 149 n 149 LEU 149 D GLU 150 n 150 GLU 150 D LEU 151 n 151 LEU 151 D GLN 152 n 152 GLN 152 D ASP 153 n 153 ASP 153 D SER 154 n 154 SER 154 D GLY 155 n 155 GLY 155 D THR 156 n 156 THR 156 D TRP 157 n 157 TRP 157 D THR 158 n 158 THR 158 D CYS 159 n 159 CYS 159 D THR 160 n 160 THR 160 D VAL 161 n 161 VAL 161 D LEU 162 n 162 LEU 162 D GLN 163 n 163 GLN 163 D ASN 164 n 164 ASN 164 D GLN 165 n 165 GLN 165 D LYS 166 n 166 LYS 166 D LYS 167 n 167 LYS 167 D VAL 168 n 168 VAL 168 D GLU 169 n 169 GLU 169 D PHE 170 n 170 PHE 170 D LYS 171 n 171 LYS 171 D ILE 172 n 172 ILE 172 D ASP 173 n 173 ASP 173 D ILE 174 n 174 ILE 174 D VAL 175 n 175 VAL 175 D VAL 176 n 176 VAL 176 D LEU 177 n 177 LEU 177 D ALA 178 n 178 ALA 178 D author_defined_assembly 4 tetrameric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 42 A N VAL 39 A O TYR 33 A O TYR 30 A N VAL 34 A N VAL 31 A O TYR 22 A O TYR 19 A O GLU 25 A O GLU 22 A N SER 8 A N SER 4 A O SER 15 A O SER 12 B N PHE 7 B N PHE 3 B N THR 18 B N THR 14 B O ARG 23 B O ARG 19 B N TYR 32 B N TYR 28 B O GLU 35 B O GLU 31 B N ARG 39 B N ARG 35 B O ARG 48 B O ARG 44 A O ARG 53 A O ARG 50 C N HIS 134 C N HIS 4 A O PHE 92 A O PHE 89 A N ILE 106 A N ILE 103 A N ILE 112 A N ILE 109 A O PHE 145 A O PHE 142 A N TYR 150 A N TYR 147 A O TYR 133 A O TYR 130 A O PHE 92 A O PHE 89 A N ILE 106 A N ILE 103 A N ILE 112 A N ILE 109 A O PHE 145 A O PHE 142 A O HIS 146 A O HIS 143 A N PHE 138 A N PHE 135 A O LYS 126 A O LYS 123 A N ARG 123 A N ARG 120 A N LEU 122 A N LEU 119 A O ASP 162 A O ASP 159 A O VAL 165 A O VAL 162 A N VAL 174 A N VAL 171 B O SER 102 B O SER 97 B N VAL 116 B N VAL 111 B O PHE 122 B O PHE 117 B N PHE 155 B N PHE 150 B N MET 160 B N MET 155 B O SER 143 B O SER 138 B O SER 102 B O SER 97 B N VAL 116 B N VAL 111 B O PHE 122 B O PHE 117 B N PHE 155 B N PHE 150 B O GLN 156 B O GLN 151 B N ILE 148 B N ILE 143 B N GLU 138 B N GLU 133 B O TRP 131 B O TRP 126 B O PHE 132 B O PHE 127 B N THR 172 B N THR 167 B N VAL 175 B N VAL 170 B O ILE 184 B O ILE 179 D N THR 45 D N THR 45 D O GLY 38 D O GLY 38 D N ASN 39 D N ASN 39 D O PHE 26 D O PHE 26 D N LYS 29 D N LYS 29 D O ILE 83 D O ILE 83 D O VAL 86 D O VAL 86 D N GLN 89 D N GLN 89 D N GLN 94 D N GLN 94 D O LYS 2 D O LYS 2 D N THR 45 D N THR 45 D O GLY 38 D O GLY 38 D N ASN 39 D N ASN 39 D O PHE 26 D O PHE 26 D N LYS 29 D N LYS 29 D O ILE 83 D O ILE 83 D O VAL 86 D O VAL 86 D N GLN 89 D N GLN 89 D O THR 101 D O THR 101 D N THR 117 D N THR 117 D O LEU 116 D O LEU 116 D N LEU 144 D N LEU 144 D N LEU 14 D N LEU 14 D O LEU 69 D O LEU 69 D N ILE 70 D N ILE 70 D O ASP 56 D O ASP 56 D O LEU 108 D O LEU 108 D N LEU 177 D N LEU 177 D N GLY 140 D N GLY 140 D O VAL 128 D O VAL 128 D N GLN 129 D N GLN 129 D O THR 160 D O THR 160 D O GLN 163 D O GLN 163 D N LYS 166 D N LYS 166 D N GLY 155 D N GLY 155 D O ILE 174 D O ILE 174 1 D N LYS 1 D N LYS 1 1 Y 1 D CA LYS 1 D CA LYS 1 1 Y 1 D CB LYS 1 D CB LYS 1 1 Y 1 D CH2 TRP 28 D CH2 TRP 28 1 Y 1 D NH1 ARG 54 D NH1 ARG 54 1 Y 1 D NH2 ARG 54 D NH2 ARG 54 1 Y 1 D NH1 ARG 58 D NH1 ARG 58 1 Y 1 D NH2 ARG 58 D NH2 ARG 58 1 Y 1 D NH1 ARG 59 D NH1 ARG 59 1 Y 1 D NH2 ARG 59 D NH2 ARG 59 1 Y 1 D CH2 TRP 62 D CH2 TRP 62 1 Y 1 D OH TYR 82 D OH TYR 82 1 Y 1 D CG ASP 105 D CG ASP 105 1 Y 1 D OD1 ASP 105 D OD1 ASP 105 1 Y 1 D OD2 ASP 105 D OD2 ASP 105 1 Y 1 D NH1 ARG 131 D NH1 ARG 131 1 Y 1 D NH2 ARG 131 D NH2 ARG 131 1 Y 1 D NH1 ARG 134 D NH1 ARG 134 1 Y 1 D NH2 ARG 134 D NH2 ARG 134 1 Y 1 D CH2 TRP 157 D CH2 TRP 157 1 Y 1 B D CE OE1 MET GLN 160 40 1.41 1 B C O CD1 PRO ILE 56 143 1.47 1 B D SD NE2 MET GLN 160 40 1.57 1 A C CG O ARG ASN 53 132 1.73 1 B D CE CD MET GLN 160 40 1.82 1 B C OG1 CE1 THR HIS 85 134 2.00 1 A C O N ARG HIS 53 134 2.01 1 A D NE2 CB GLN SER 88 60 2.03 1 B D CE NE2 MET GLN 160 40 2.04 1 A C O ND2 LEU ASN 51 132 2.09 1 A B NZ OD2 LYS ASP 94 152 2.11 1 A C O CB ARG HIS 53 134 2.14 1 A C NE NE2 ARG HIS 52 134 2.18 1 D PHE 43 0.094 SIDE CHAIN A 1 B B C N GLU LYS 84 84 1.18 1 B B C N THR SER 89 90 1.12 1 D D C N GLY LEU 99 100 1.66 1 -4.14 0.50 120.30 116.16 B B B NE CZ NH1 ARG ARG ARG 70 70 70 N 1 3.47 0.50 120.30 123.77 B B B NE CZ NH2 ARG ARG ARG 70 70 70 N 1 -13.78 1.60 122.70 108.92 B B B O C N THR THR SER 89 89 90 Y 1 7.90 0.80 106.30 114.20 D D D CD1 CG CD2 TRP TRP TRP 28 28 28 N 1 -6.72 0.80 107.30 100.58 D D D CE2 CD2 CG TRP TRP TRP 28 28 28 N 1 7.04 0.80 106.30 113.34 D D D CD1 CG CD2 TRP TRP TRP 62 62 62 N 1 -8.25 1.30 127.00 118.75 D D D CB CG CD1 TRP TRP TRP 62 62 62 N 1 -5.78 0.80 107.30 101.52 D D D CE2 CD2 CG TRP TRP TRP 62 62 62 N 1 6.20 0.90 133.90 140.10 D D D CG CD2 CE3 TRP TRP TRP 62 62 62 N 1 7.01 0.80 106.30 113.31 D D D CD1 CG CD2 TRP TRP TRP 157 157 157 N 1 -5.63 0.80 107.30 101.67 D D D CE2 CD2 CG TRP TRP TRP 157 157 157 N 1 A A C N THR PRO 80 81 0.122 0.019 1.338 1.460 Y 1 A A C N ALA THR 89 90 0.231 0.023 1.336 1.567 Y A 1 B B C N GLU LYS 84 84 -0.153 0.023 1.336 1.183 Y 1 B B C N THR SER 89 90 -0.220 0.023 1.336 1.116 Y 1 D D CD2 CB HIS LEU 107 177 0.41 1_555 8_665 1 A A CD CD GLN GLN 57 57 0.51 1_555 5_555 1 A A CG NE2 GLN GLN 57 57 0.91 1_555 5_555 1 B C NE2 CG GLN GLU 64 144 0.97 1_555 5_555 1 D D CG CB HIS LEU 107 177 1.10 1_555 8_665 1 D D CG CA HIS LEU 107 177 1.14 1_555 8_665 1 B B NH1 NH2 ARG ARG 130 130 1.18 1_555 5_556 1 D D NE2 CB HIS LEU 107 177 1.24 1_555 8_665 1 A A CG CD GLN GLN 57 57 1.28 1_555 5_555 1 A A CD NE2 GLN GLN 57 57 1.29 1_555 5_555 1 D D C CD2 HIS LEU 107 177 1.29 1_555 8_665 1 B C CD CG GLN GLU 64 144 1.31 1_555 5_555 1 D D O CD2 HIS LEU 107 177 1.39 1_555 8_665 1 B B N O GLY THR 135 181 1.50 1_555 5_556 1 B B CZ NH1 ARG ARG 130 130 1.54 1_555 5_556 1 D D CD2 CG HIS LEU 107 177 1.56 1_555 8_665 1 D D CD2 CA HIS LEU 107 177 1.57 1_555 8_665 1 B C OE1 CG GLN GLU 64 144 1.63 1_555 5_555 1 A A CG OE1 GLN GLN 57 57 1.67 1_555 5_555 1 D D CB CB THR SER 106 154 1.68 1_555 8_665 1 B D CG2 OG THR SER 51 127 1.69 1_555 8_665 1 B D NH2 OE1 ARG GLN 34 165 1.71 1_555 8_665 1 A A CD OE1 GLN GLN 57 57 1.72 1_555 5_555 1 B C CA OE2 GLN GLU 64 144 1.74 1_555 5_555 1 D D CB O HIS VAL 107 176 1.75 1_555 8_665 1 B C OE1 CD GLN GLU 64 144 1.77 1_555 5_555 1 B C CD CD GLN GLU 64 144 1.77 1_555 5_555 1 B B NZ OE1 LYS GLU 128 137 1.80 1_555 5_556 1 B B CZ NH2 ARG ARG 130 130 1.80 1_555 5_556 1 D D N CG1 HIS VAL 107 175 1.82 1_555 8_665 1 D D ND1 CB HIS LEU 107 177 1.83 1_555 8_665 1 B B CZ CZ ARG ARG 130 130 1.83 1_555 5_556 1 B B NH1 NH1 ARG ARG 130 130 1.83 1_555 5_556 1 A A OE1 NE2 GLN GLN 57 57 1.86 1_555 5_555 1 D D CE1 CB HIS LEU 107 177 1.86 1_555 8_665 1 B C CD OE2 GLN GLU 64 144 1.86 1_555 5_555 1 A A CD2 OD1 LEU ASP 99 130 1.88 1_555 6_565 1 D D CB CA HIS LEU 107 177 1.89 1_555 8_665 1 D D CG CG HIS LEU 107 177 1.91 1_555 8_665 1 B B C O ASN THR 134 181 1.91 1_555 5_556 1 B C NE2 CB GLN GLU 64 144 1.91 1_555 5_555 1 D D OG1 CB THR SER 106 154 1.92 1_555 8_665 1 B C NE2 CD GLN GLU 64 144 1.93 1_555 5_555 1 B B CA O GLY THR 135 181 1.99 1_555 5_556 1 D D ND1 CA HIS LEU 107 177 2.02 1_555 8_665 1 D D N CD2 LEU LEU 108 177 2.05 1_555 8_665 1 A A OE1 NE2 GLN GLN 61 61 2.06 1_555 5_555 1 B D NH2 CD ARG GLN 34 165 2.08 1_555 8_665 1 D D C CG HIS LEU 107 177 2.08 1_555 8_665 1 B C OE1 OE2 GLN GLU 64 144 2.12 1_555 5_555 1 D D CB C HIS VAL 107 176 2.12 1_555 8_665 1 A A CB NE2 GLN GLN 57 57 2.14 1_555 5_555 1 B C CB OE2 GLN GLU 64 144 2.15 1_555 5_555 1 A A CB OE1 GLN GLN 57 57 2.16 1_555 5_555 1 A A CB CD GLN GLN 57 57 2.18 1_555 5_555 1 A LYS 39 61.26 60.02 1 A ASN 78 70.96 53.21 1 A PHE 113 -173.64 123.49 1 A PRO 115 -68.82 56.71 1 A SER 125 59.11 16.83 1 A PRO 180 -63.27 -179.94 1 B ASN 33 60.01 -96.50 1 B THR 89 -130.82 -85.68 1 B ALA 108 -170.97 104.49 1 B THR 139 -130.16 -67.84 1 B TRP 153 75.35 31.79 1 C SER 145 44.16 -156.36 1 D LYS 8 -39.63 131.29 1 D ALA 18 -124.48 -164.96 1 D SER 19 -103.81 -156.68 1 D GLN 20 36.39 73.43 1 D LYS 21 -43.64 95.50 1 D LYS 22 -178.16 141.17 1 D SER 23 -61.85 77.29 1 D ILE 24 -96.07 -145.46 1 D ASP 56 177.81 -176.86 1 D ASP 80 179.76 166.62 1 D GLU 87 47.10 -121.27 1 D ASP 88 -104.69 45.97 1 D ASN 103 -63.85 6.87 1 D ASP 105 32.62 -109.80 1 D HIS 107 55.46 89.66 1 D PRO 122 -34.81 -31.30 1 D SER 124 118.68 126.51 1 D PRO 126 -118.93 -167.21 1 D ARG 134 -142.75 52.23 1 D LYS 136 -25.08 130.57 1 D SER 147 -27.45 -53.99 1 D LEU 151 -37.13 -27.25 1 D ASN 164 61.38 -170.10 THIS MODEL IS BASED ON HIGH RESOLUTION STRUCTURES OF THE INDIVIDUAL COMPONENTS AND ONLY RIGID BODY REFINEMENT OF THE INDIVIDUAL DOMAINS WAS APPLIED. THE RIGID BODIES CONSISTED OF RESIDUE RANGES A 5 TO A 85, A 86 TO A 181, B 5 TO B 85, B 86 TO B 190, C 131 TO C 146, D 1 TO D 97 AND D 98 TO D 178 0.453 0.42 0.428 0.428 4.3 20.0 649 6432 6432 81 RANDOM 1 0 MOLECULAR REPLACEMENT 1IAK and 3CD4 Engh & Huber 4.3 20.0 0 4474 0 0 4474 0.48 0.48 4.5 94 941 56 4.3 30.0 1JL4 7428 7428 0 0 0.152 1 12.0 83 0.61 4.3 4.5 2.0 7.8 56 data reduction DENZO data scaling SCALEPACK phasing AMoRE phasing EPMR model building FFFEAR refinement REFMAC phasing FFFEAR CRYSTAL STRUCTURE OF THE HUMAN CD4 N-TERMINAL TWO DOMAIN FRAGMENT COMPLEXED TO A CLASS II MHC MOLECULE 1 N N 2 N N 3 N N 4 N N A LEU 45 A LEU 42 HELX_P A LEU 51 A LEU 48 5 1 7 A GLU 55 A GLU 52 HELX_P A ASN 78 A ASN 75 1 2 24 B ASN 19 B ASN 15 HELX_P B GLN 22 B GLN 18 5 3 4 B THR 51 B THR 47 HELX_P B LEU 53 B LEU 49 5 4 3 B GLY 54 B GLY 50 HELX_P B TYR 67 B TYR 61 1 5 12 B TYR 67 B TYR 61 HELX_P B ALA 73 B ALA 67 1 6 7 B ALA 73 B ALA 67 HELX_P B VAL 78 B VAL 72 1 7 6 B VAL 78 B VAL 72 HELX_P B THR 85 B THR 80 1 8 9 B THR 89 B THR 84 HELX_P B ARG 93 B ARG 88 5 9 5 D ARG 58 D ARG 58 HELX_P D GLY 65 D GLY 65 5 10 8 D LYS 75 D LYS 75 HELX_P D SER 79 D SER 79 5 11 5 D GLU 150 D GLU 150 HELX_P D SER 154 D SER 154 5 12 5 disulf 2.040 A CYS 107 A SG CYS 104 1_555 A CYS 163 A SG CYS 160 1_555 disulf 2.059 B CYS 15 B SG CYS 11 1_555 B CYS 79 B SG CYS 73 1_555 disulf 2.023 B CYS 117 B SG CYS 112 1_555 B CYS 173 B SG CYS 168 1_555 disulf 2.034 D CYS 16 D SG CYS 16 1_555 D CYS 84 D SG CYS 84 1_555 disulf 2.020 D CYS 130 D SG CYS 130 1_555 D CYS 159 D SG CYS 159 1_555 IMMUNE SYSTEM PROTEIN-PROTEIN COMPLEX, IMMUNE SYSTEM A SER 15 A SER 12 1 A PRO 16 A PRO 13 0.29 A PHE 113 A PHE 110 1 A PRO 114 A PRO 111 -0.18 B TYR 123 B TYR 118 1 B PRO 124 B PRO 119 0.20 HA2K_MOUSE UNP 1 31 P01910 HVGSYGITVYQSPGDIGQYTFEFDGDELFYVDLDKKETVWMLPEFAQLRRFEPQGGLQNIATGKHNLEILTKRSNSTPAT NEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFFVNRDYSFHKLSYLTFIPSDDDIYDC KVEHWGLEEPVLKHWEPE HB2K_MOUSE UNP 2 34 P06343 FVHQFQPFCYFTNGTQRIRLVIRYIYNREEYVRFDSDVGEYRAVTELGRPDAEYWNKQYLERTRAELDTVCRHNYEKTET PTSLRRLEQPSVVISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRNGQEETVGVSSTQLIRNGDWTFQVLVMLEMTPRR GEVYTCHVEHPSLKSPITVEWRA TRFE_CHICK UNP 3 153 P02789 HRGAIEWEGIESG CD4_HUMAN UNP 4 26 P01730 KKVVLGKKGDTVELTCTASQKKSIQFHWKNSNQIKILGNQGSFLTKGPSKLNDRADSRRSLWDQGNFPLIIKNLKIEDSD TYICEVEDQKEEVQLLVFGLTANSDTHLLQGQSLTLTLESPPGSSPSVQCRSPRGKNIQGGKTLSVSQLELQDSGTWTCT VLQNQKKVEFKIDIVVLA 31 208 1JL4 5 181 P01910 A 1 1 178 34 216 1JL4 7 190 P06343 B 2 3 185 153 165 1JL4 134 146 P02789 C 3 4 16 26 203 1JL4 1 178 P01730 D 4 1 178 2 cloning artifact GLY 5 1JL4 B P06343 UNP 1 2 cloning artifact SER 6 1JL4 B P06343 UNP 2 2 LYS conflict THR 181 1JL4 B P06343 UNP 207 176 3 cloning artifact GLY 131 1JL4 C P02789 UNP 1 3 cloning artifact ASN 132 1JL4 C P02789 UNP 2 3 cloning artifact SER 133 1JL4 C P02789 UNP 3 8 2 4 4 4 4 4 4 6 7 3 2 4 2 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLU 40 A GLU 37 A TRP 43 A TRP 40 A ASP 29 A ASP 26 A ASP 35 A ASP 32 A ILE 19 A ILE 16 A PHE 26 A PHE 23 A VAL 6 A VAL 2 A SER 15 A SER 12 B PHE 7 B PHE 3 B THR 18 B THR 14 B ARG 23 B ARG 19 B TYR 32 B TYR 28 B GLU 35 B GLU 31 B ASP 41 B ASP 37 B TYR 47 B TYR 43 B ALA 49 B ALA 45 A ARG 53 A ARG 50 A PHE 54 A PHE 51 C SER 133 C SER 3 C HIS 134 C HIS 4 A GLN 88 A GLN 85 A PRO 93 A PRO 90 A ASN 103 A ASN 100 A ILE 112 A ILE 109 A PHE 145 A PHE 142 A PHE 153 A PHE 150 A VAL 132 A VAL 129 A GLU 134 A GLU 131 A GLN 88 A GLN 85 A PRO 93 A PRO 90 A ASN 103 A ASN 100 A ILE 112 A ILE 109 A PHE 145 A PHE 142 A PHE 153 A PHE 150 A PHE 138 A PHE 135 A VAL 139 A VAL 136 A LYS 126 A LYS 123 A SER 127 A SER 124 A ASN 118 A ASN 115 A ARG 123 A ARG 120 A TYR 161 A TYR 158 A GLU 166 A GLU 163 A VAL 174 A VAL 171 A TRP 178 A TRP 175 B SER 98 B SER 93 B LEU 103 B LEU 98 B ASN 113 B ASN 108 B PHE 122 B PHE 117 B PHE 155 B PHE 150 B MET 163 B MET 158 B VAL 142 B VAL 137 B SER 144 B SER 139 B SER 98 B SER 93 B LEU 103 B LEU 98 B ASN 113 B ASN 108 B PHE 122 B PHE 117 B PHE 155 B PHE 150 B MET 163 B MET 158 B ILE 148 B ILE 143 B ARG 149 B ARG 144 B GLN 136 B GLN 131 B GLU 138 B GLU 133 B LYS 128 B LYS 123 B ARG 133 B ARG 128 B VAL 170 B VAL 165 B GLU 176 B GLU 171 B ILE 184 B ILE 179 B ARG 189 B ARG 184 D PHE 43 D PHE 43 D THR 45 D THR 45 D LYS 35 D LYS 35 D GLN 40 D GLN 40 D PHE 26 D PHE 26 D ASN 30 D ASN 30 D ASP 80 D ASP 80 D VAL 86 D VAL 86 D GLN 89 D GLN 89 D ALA 102 D ALA 102 D LYS 2 D LYS 2 D LYS 7 D LYS 7 D PHE 43 D PHE 43 D THR 45 D THR 45 D LYS 35 D LYS 35 D GLN 40 D GLN 40 D PHE 26 D PHE 26 D ASN 30 D ASN 30 D ASP 80 D ASP 80 D VAL 86 D VAL 86 D GLN 89 D GLN 89 D ALA 102 D ALA 102 D LEU 114 D LEU 114 D GLU 119 D GLU 119 D THR 143 D THR 143 D VAL 146 D VAL 146 D VAL 12 D VAL 12 D LEU 14 D LEU 14 D LEU 69 D LEU 69 D ILE 71 D ILE 71 D ALA 55 D ALA 55 D ASP 56 D ASP 56 D LEU 108 D LEU 108 D LEU 109 D LEU 109 D VAL 176 D VAL 176 D LEU 177 D LEU 177 D GLN 139 D GLN 139 D GLY 140 D GLY 140 D SER 127 D SER 127 D GLN 129 D GLN 129 D CYS 159 D CYS 159 D GLN 163 D GLN 163 D LYS 166 D LYS 166 D PHE 170 D PHE 170 D GLY 155 D GLY 155 D THR 156 D THR 156 D ASP 173 D ASP 173 D ILE 174 D ILE 174 95 P 43 2 2