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histidine phosphotransferase family protein
HPTransfase is a family of essential histidine phosphotransferases. It controls the activity of the master bacterial cell-cycle regulator CtrA through phosphorylation. It behaves as a homodimer by adopting the domain architecture of the intracellular part of class I histidine kinases. Each subunit consists of two distinct domains: an N-terminal helical hairpin domain and a C-terminal [alpha]/[beta] domain. The two N-terminal domains are adjacent within the dimer, forming a four-helix bundle. The C-terminal domain adopts an atypical Bergerat ATP-binding fold [1]. [1]. 22949187. Structural insights into ChpT, an essential dimeric histidine. phosphotransferase regulating the cell cycle in Caulobacter. crescentus.. Fioravanti A, Clantin B, Dewitte F, Lens Z, Verger A, Biondi EG,. Villeret V;. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012;68:1025-1029. (from Pfam)
HPt family protein
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