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Identification
HMDB Protein ID HMDBP14441
Secondary Accession Numbers None
Name Bifunctional alpha-galactosidase/sucrose kinase AgaSK
Synonyms Not Available
Gene Name AGASK
Protein Type Unknown
Biological Properties
General Function Not Available
Specific 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.
Pathways Not Available
Reactions Not Available
GO Classification
Biological Process
melibiose catabolic process
raffinose catabolic process
stachyose metabolic process
protein homotetramerization
Molecular Function
nucleotidyltransferase activity
magnesium ion binding
ATP binding
alpha-galactosidase activity
raffinose alpha-galactosidase activity
carbohydrate kinase activity
Cellular Location Not Available
Gene Properties
Chromosome Location Not Available
Locus Not Available
SNPs Not Available
Gene Sequence Not Available
Protein Properties
Number of Residues Not Available
Molecular Weight 105513.57
Theoretical pI Not Available
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence Not Available
GenBank ID Protein Not Available
UniProtKB/Swiss-Prot ID G4T4R7
UniProtKB/Swiss-Prot Entry Name AGASK_RUMGN
PDB IDs
GenBank Gene ID Not Available
GeneCard ID Not Available
GenAtlas ID Not Available
HGNC ID Not Available
References
General References
  1. Bruel L, Sulzenbacher G, Cervera Tison M, Pujol A, Nicoletti C, Perrier J, Galinier A, Ropartz D, Fons M, Pompeo F, Giardina T: alpha-Galactosidase/sucrose kinase (AgaSK), a novel bifunctional enzyme from the human microbiome coupling galactosidase and kinase activities. J Biol Chem. 2011 Nov 25;286(47):40814-23. doi: 10.1074/jbc.M111.286039. Epub 2011 Sep 19. [PubMed:21931163 ]