Protein
Sensor histidine kinase DesK
Organism
Bacillus subtilis (strain 168)
Function
Member of the two-component regulatory system DesR/DesK, responsible for cold induction of the des gene coding for the Delta5 acyl-lipid desaturase. Acts as a sensor of the membrane fluidity. Probably activates DesR by phosphorylation.
Sequence
MIKNHFTFQKLNGITPYIWTIFFILPFYFIWKSSSTFVIIVGIILTLLFFSVYRFAFVSKGWTIYLWGFLLIGISTASITLFSYIYFAFFIAYFIGNIKERVPFHILYYVHLISAAVAANFSLVLKKEFFLTQIPFVVITLISAILLPFSIKSRKERERLEEKLEDANERIAELVKLEERQRIARDLHDTLGQKLSLIGLKSDLARKLIYKDPEQAARELKSVQQTARTSLNEVRKIVSSMKGIRLKDELINIKQILEAADIMFIYEEEKWPENISLLNENILSMCLKEAVTNVVKHSQAKTCRVDIQQLWKEVVITVSDDGTFKGEENSFSKGHGLLGMRERLEFANGSLHIDTENGTKLTMAIPNNSK