| Type | Description | Status | Start | End |
| signal peptide | | | 1 | 24 |
| chain | HLA class I histocompatibility antigen, A-2 alpha chain | | 25 | 365 |
| disulfide bond | | | 125 | 188 |
| disulfide bond | | | 227 | 283 |
| transmembrane region | | potential | 309 | 332 |
| topological domain | Extracellular | potential | 25 | 308 |
| topological domain | Cytoplasmic | potential | 333 | 365 |
| domain | Ig-like C1-type | | 209 | 295 |
| region of interest | Alpha-1 | | 25 | 114 |
| region of interest | Alpha-2 | | 115 | 206 |
| region of interest | Alpha-3 | | 207 | 298 |
| region of interest | Connecting peptide | | 299 | 308 |
| modified residue | Phosphoserine | | 352 | 352 |
| modified residue | Phosphoserine | | 356 | 356 |
| glycosylation site | N-linked (GlcNAc...) | | 110 | 110 |
| sequence variant | (in allele A*0203, allele A*0213) | | 0 | 0 |
| sequence variant | (in allele A*0203) | | 0 | 0 |
| sequence variant | (in allele A*0218) | | 0 | 0 |
| sequence variant | (in allele A*0210) | | 0 | 0 |
| sequence variant | (in allele A*0212, allele A*0213, allele A*0237) | | 0 | 0 |
| sequence variant | (in allele A*0202, allele A*0203, allele A*0205, allele A*0208) | | 0 | 0 |
| sequence variant | (in allele A*0216; requires 2 nucleotide substitutions) | | 0 | 0 |
| sequence variant | (in allele A*0236, allele A*0237) | | 0 | 0 |
| sequence variant | (in allele A*0236, allele A*0237) | | 0 | 0 |
| sequence variant | (in allele A*0209) | | 0 | 0 |
| sequence variant | (in allele A*0210, allele A*0217) | | 0 | 0 |
| sequence variant | (in allele A*0207, allele A*0218) | | 0 | 0 |
| sequence variant | (in allele A*0205, allele A*0206, allele A*0208, allele A*0210, allele A*0221) | | 0 | 0 |
| sequence variant | (in allele A*0221) | | 0 | 0 |
| sequence variant | (in allele A*0231) | | 0 | 0 |
| sequence variant | (in allele A*0202, allele A*0205, allele A*0208) | | 0 | 0 |
| sequence variant | (in allele A*0208, allele A*0220) | | 0 | 0 |
| sequence variant | (in allele A*0234, allele A*0235) | | 0 | 0 |
| sequence variant | (in allele A*0211) | | 0 | 0 |
| sequence variant | (in allele A*0211, allele A*0235) | | 0 | 0 |
| sequence variant | (in allele A*0202, allele A*0205, allele A*0208, allele A*0217) | | 0 | 0 |
| sequence variant | (in allele A*0204, allele A*0217) | | 0 | 0 |
| strand | | | 27 | 36 |
| strand | | | 41 | 43 |
| strand | | | 45 | 52 |
| strand | | | 55 | 61 |
| strand | | | 64 | 66 |
| strand | | | 113 | 115 |
| strand | | | 118 | 127 |
| strand | | | 131 | 142 |
| strand | | | 145 | 150 |
| strand | | | 154 | 161 |
| strand | | | 210 | 235 |
| strand | | | 238 | 243 |
| strand | | | 246 | 248 |
| strand | | | 252 | 254 |
| strand | | | 261 | 263 |
| strand | | | 265 | 274 |
| strand | | | 281 | 286 |
| strand | | | 294 | 297 |
| helix | | | 74 | 76 |
| helix | | | 81 | 108 |
| helix | | | 162 | 173 |
| helix | | | 176 | 184 |
| helix | | | 187 | 198 |
| helix | | | 200 | 203 |
| helix | | | 278 | 280 |
