>gnl|PDB|1DDH.1 strand_id:A description:MHC CLASS I H-2DD HEAVY CHAIN
MSHSLRYFVTAVSRPGFGEPRYMEVGYVDNTEFVRFDSDAENPRYEPRARWIEQEGPEYWERETRRANGNEQSFRVDLRTALRYYNQSAGGSHTLQWMAGCDVESDGRLLRGYWQFAYDGCDYIALNEDLKTWTAADMAAQITRRKWEQAGAAERDRAYLEGECVEWLRRYLKNGNATLLATDPPKAHVTHHRRPEGDVTLRCWALGFYPAEITLTWQLNGEELTQEMELVETRPAGDGTFQKWASVVVPLGKQQKYTCHVEHEGLPEPLTLRW
>gnl|PDB|1DDH.2 strand_id:B description:BETA-2 MICROGLOBULIN
MQKTPQIQVYSRHPPENGKPNILNCYVTQFHPPHIEIQMLKNGKKIPKVEMSDMSFSKDWSFYILAHTEFTPTETDTYACRVKHASMAEPKTVYWDRDM
>gnl|PDB|1DDH.3 strand_id:P description:HUMAN IMMUNODEFICIENCY VIRUS ENVELOPE GLYCOPROTEIN 120
RGPGRAFVTI