>8BIY_1|Chains A, B, C, D|Histidine kinase|Geobacillus thermodenitrificans (33940) GSTLKEQIGMRALNVAETVASTSLVREAFRDSNPSVRLQPFAERIRQKTGAEYVVIGNRQGIAYAHPLTERIGKSMIGGDNKEVLKGKSIISEAVGSLGPAIRGKAPIFDENGSVIGIVSVGFLLEDIQRT