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agaSK

Gene
agaSK
Protein
Bifunctional alpha-galactosidase/sucrose kinase AgaSK
Organism
Ruminococcus gnavus
Length
935 amino acids
Function
Bifunctional enzyme with alpha-galactosidase and sucrose kinase activities. Produces sucrose-6-phosphate directly from raffinose. Binds ATP. Phosphorylates sucrose specifically on the C6 position of glucose in the presence of ATP. Hydrolyzes melibiose, raffinose, stachyose and synthetic substrate p-nitrophenyl-alpha-D-galactopyranoside with high activity. Low activity against locust bean gum, guar gum and synthetic substrates xylose alpha-D-4-nitrophenol, glucose alpha-D-4-nitrophenol and o-nitrophenyl-alpha-D-galactopyranoside.
Similarity
In the C-terminal section; belongs to the uridine kinase family.
Mass
105.514 kDa
Sequence
MAIIYNPNKKIFTLHTAHTTYQMQVDPLGYLLHLYYGEKTNSSMDYVLTYADRGFSGNPYAAGMDRTYSLDALPQEYPSLGTGDYRNIALNIKNEKGVESADLLFKSYEIRNGKYRLQGLPAVWADEKEAQTLEIVLADENAQVEVHLLYGVLEENDVITRSVRIKNTGTGQITIEKAAAACLDFVQGEFDVLRFYGKHAMERNLERTPLGHGTIAFGSRRGTSSHQYNPAVILAEKGTTETAGSCYGMLFVYSGNFSCEAEKDQFNQTRLLLGLNEELFSYPLASGETFTVPEVILSYSAEGLSALSQQYHNCIRNHVCRSKYVHMQRPVLINSWEAAYFDFTGDTIVDLAKEAASLGIDMVVMDDGWFGKRNDDNSSLGDWQVNETKLGGSLAELITRVHEQGMKFGIWIEPEMINEDSDLYRAHPDWAIRIQGKKPVRSRNQLLLDFSRKEVRDCVFDQICVVLDQGKIDYVKWDMNRSMADVYAGNLSYDYVLGVYDFMERLCSRYPDLLLEGCSGGGGRFDAGMLYYSPQIWCSDNTDAINRTRIQYGTSFFYPVSAMGAHVSAVPNHQTGRVTSFHTRGVTAMAGTFGYELNPALLSDEEKQQIREQIKTYKKYETLINEGTYWRLSDPFTDEIAAWMSVSEEQDHALVSVVRLMAEANQATVYVRLRGLKPDAVYLEEQSGRQYSGAALMHAGIPLPPFTEEYEAYQFAFTELKEAGRLYEKVQKWCDGNAENRVVISIYGGSGSGKTTLATALQQYFLNDGTECYLLSGDDYPHRIPKRNDEERMRVYKEAGEDGLRGYLGTKKEIDFDRINEVLAAFHEGKDSITLRHMGREDGEISLEETDFSGISVLLLEWTHGGSDDLHGVDLPVFLESSPGETRERRIRRNRDENAASPFICRVVELEQEKLEVQRKNAGLIVGKDGSVYEQ