>d2rfxa2 d.19.1.1 (A:1-181) Class I MHC, alpha-1 and alpha-2 domains {Human (Homo sapiens), HLA-B53 [TaxId: 9606]} gshsmryfytamsrpgrgeprfiavgyvddtqfvrfdsdaasprmaprapwieqegpeyw dgetrnmkasaqtyrenlrialryynqseagshiiqvmygcdvgpdgrllrghdqsaydg kdyialnedlsswtaadtaaqitqrkweaarvaeqlrayleglcvewlrrylengketlq r