>5EPV_1|Chains A, B, C, D|Blue-light-activated histidine kinase|Brucella abortus (359391) MASVQDVTERKKAEANKALVSREIAHRFKNSMAMVQSIANQTLRNTYDPEQANRLFSERLRALSQAHDMLLKENWAGATIQQICATALAPFNSTFANRIHMSGPHLLVSDRVTVALSLAFYELATNAVKYGALSNEKGVINITWAIMEDKGEKKFHMRWAESRGPEVMQPARRGFGQRLLHSVLAEELKAKCDVEFAASGLLIDVLAPITPEVFPGMGHNVPEQRIAHHHHHH