Protein
Signal-transduction histidine kinase senX3
Organism
Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155)
Function
Part of the two-component regulatory system senX3/regX3. Phosphorylates regX3 under conditions of phosphate limitation. Probably does not itself sense phosphate concentrations, which may be relayed to senX3 by the PstSCAB phosphate transporter system.
Sequence
MSLLTLIAGVAVGVTVVPRIVARRQRRAAYAAGMTVSQMLQHITSLSPMGVAVVDTFNDVVYSNDRAVELNVVRDRILDDRAWQAAQRVFETGQDVEVDLSPLKVANPGRSGISVRGKVRLLTDDDRRFAVVYIDDQSEHARMEATRRDFVANVSHELKTPVGAMSVLAEALLASADDPDTVRRFAEKMVAESHRLADMIGELIELSRLQGAERLPDLDAVDVDSIVSEAVSRHKVAADNSQISITTDAPTGYRVLGDEGLLVTAIANLVSNAIAYSPNGTDVSISRRKRGGNIEIAVTDRGIGIAKDDQERVFERFFRVDKARSRATGGTGLGLAIVKHVAANHNGSIRLWSQPGTGSTFTLSIPEYPDPESHSDEREDQRER