Protein
ATP-dependent protease ATPase subunit HslU
Organism
Staphylococcus saprophyticus subsp. saprophyticus (strain ATCC 15305 / DSM 20229 / NCIMB 8711 / NCTC 7292 / S-41)
Function
ATPase subunit of a proteasome-like degradation complex; this subunit has chaperone activity. The binding of ATP and its subsequent hydrolysis by HslU are essential for unfolding of protein substrates subsequently hydrolyzed by HslV. HslU recognizes the N-terminal part of its protein substrates and unfolds these before they are guided to HslV for hydrolysis.
Similarity
Belongs to the ClpX chaperone family. HslU subfamily.
Sequence
METNGIKLTPRDIVSKLNEYIVGQDDAKRKVAIALRNRYRRSLLTEEEKQEVAPKNILMIGPTGVGKTEIARRMARLVGAPFIKVEATKFTEVGYVGRDVESMVRDLVDVAVRLVKDQKKALVQDEAQDKANEKLVKLLVPSMKKKANNNTNSNNPLESLFGGSIPNFGQNNDDEEETPTDEVKTKRSEIKQQLLNGQLEDEKVRLKVEQDPAAMGMLGTNQNQQMQDMMNQLMPKKKVEREVPVKTARKILTDEFADELIDQETANQEAIELAEQMGIIFIDEIDKVATNNQNSGQDVSRQGVQRDILPILEGSMVQTKYGTVNTEHMLFIGAGAFHVSKPSDLIPELQGRFPIRVELESLSVEDFVRILTEPKLSLIKQYEALLQTEQVTVKFTDEAIKRLAEIAFQVNQDTDNIGARRLHTILEKMLEDLSFEAPSMPNAVVDITPQYVDDKLKSISTNKDLSAFIL