>6PH2_1|Chains A, B, C, D|Blue-light-activated histidine kinase|Brucella melitensis biotype 1 (strain 16M / ATCC 23456 / NCTC 10094) (224914) MALSQATDPFRAAVEFTLMPMLITNPHLPDNPIVFANPAFLKLTGYEADEVMGRNSRFLQGHGTDPAHVRAIKSAIAAEKPIDIDIINYKKSGEAFWNRLHISPVHNANGRLQHFVSSQLDVTLELSRLVELEKERKTLSIEHHHHHH