>1xr9_C mol:protein length:9  Ubiquitin-conjugating enzyme E2 E1
ILGPPGSVY
>1xr9_C mol:protein length:9  Ubiquitin-conjugating enzyme E2 E1
ILGPPGSVY
>1xr9_A mol:protein length:276  HLA class I histocompatibility antigen, B-15 alpha chain
GSHSMRYFYTAMSRPGRGEPRFIAVGYVDDTQFVRFDSDAASPRMAPRAPWIEQEGPEY
WDRETQISKTNTQTYRESLRNLRGYYNQSEAGSHTLQRMYGCDVGPDGRLLRGHDQSAY
DGKDYIALNEDLSSWTAADTAAQITQRKWEAAREAEQWRAYLEGLCVEWLRRYLENGKE
TLQRADPPKTHVTHHPISDHEATLRCWALGFYPAEITLTWQRDGEDQTQDTELVETRPA
GDRTFQKWAAVVVPSGEEQRYTCHVQHEGLPKPLTLRWEP
>1xr9_B mol:protein length:99  Beta-2-microglobulin
IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKD
WSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM