Protein
Glucosidase 2 subunit beta
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Function
Subunit of glucosidase 2, which cleaves sequentially the 2 innermost alpha-1,3-linked glucose residues from the Glc(2)Man(9)GlcNAc(2) oligosaccharide precursor of immature glycoproteins. Specifically required for the cleavage of the final glucose.
Sequence
MVSMFSLFLLLIEQSPLVASLQQSQRHIVGVPWEKQHLYDSNEPDLTKWHCLNHEDIVLDISQINDGVCDCPDGSDEPGSAACVEDIFKSVAEGGGKVNKYFYCDNKGFIPRYIRKSEVADGICDCCDCSDELLSGYELFDAGSNCSQLKNEFDIMASKELSSYREGKEALEELERKYGTKEEAITRGNCLEEDKEKASAEIKVLSNRLSENRAKLEQLRGEYFNQLSHDPILYQFEQLNSTRLGSDILTSFTMVSRVSKGYQDIFKILSDLSEAYTPSLNDKVVNDNIKKFRKVRRRAEKAKINADSKIDDEQADNLYLYFTEEVPQIFLKRESENTLRYVIGKSNFVQALVEGKINYTNDILEYIREFRLIMDDISQNYNVNFQDAGVKSAVDSYKNYLGEYGELAELEPAHPSESLLRSLSEVTSFVNENAPKVLPPDAVESEQDTNSDHIGTSGDLRNKLKEILSKLNIFSSRKDLVSLEKRFRSCESQVSLLENELKQKMDYKKLLDETEDEGTNSTAGNLTELLELMGSQSYCLDDILDNYVYTICFQRPMTEGVIYQAEDKVDGKKVLIGRFKTSGFNVDLNMEKYAEHLKATYDEKSDLISNLAAIQDDDGNMQHYVFGNLNELNNGLVLEYENGDQCWNGPRRSATVFVRCSDKFKIRSVHEATKCNYIFDVVGPLGCNKTFEYEPPKFNLSE