>1R1U_1|Chains A, B, C, D|repressor protein|Staphylococcus aureus (1280)
MSEQYSEINTDTLERVTEIFKALGDYNRIRIMELLSVSEASVGHISHQLNLSQSNVSHQLKLLKSVHLVKAKRQGQSMIYSLDDIHVATMLKQAIHHANHPKESGL