>2K3K_1|Chain A|U1 small nuclear ribonucleoprotein A|Drosophila melanogaster (7227)
MEMLPNQTIYINNLNEKIKKEELKKSLYAIFSQFGQILDIVALKTLKMRGQAFVIFKEIGSASNALRTMQGFPFYDKPMQIAYSKSDSDIVAKIKGTFKERPKK