Protein
Glucosidase 2 subunit beta
Organism
Ustilago maydis (strain 521 / FGSC 9021)
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 in the endoplasmic reticulum (ER). Specifically required for the cleavage of the final glucose. The subunit beta retains the catalytic subunit alpha in the ER (By similarity).
Sequence
MVRLNLAVVALAAGALSASASASSSATPLRGLLTDAAKYQPTKDAQSQLRWKCLDGSKELSWSAVNDDYCDCPDGSDEPGTSACPNSSFYCHNTGHMPAYIRSSRVDDGICDPECCDGSDESDGKIRCPNRCEKVGKEYRKKLAELDNLRRAGAKVRDKYIAEGRKQKELLHAEIAKLEIEVQVATENEARFKAELTRAETSDKALIDAKVKTPLYTKLVDYQNAIRALHVKNAALKAELQTLTLLLDDLAKGYNPNYQDMAVKGAVVAYKEWRGIASAAAAATATGEVKEEGENNVDQIAGENTKLNELLDEGDWPWAKLSTLLSDDPLDLMDRGLGGALDDKRVYASETDGGLLFRIHEYLPDGIVPYFEAMVDTLLDVLMKANVITDVKRMRPKSSVGSESEPETVSVARRAHTDAAAHLSRTTHELSSLKQKLSEFSTRYGRSAEFKALENKCFSKDMGEYTYEYCFFGRATQIPNNGGAQISLGTFTNFNPKHDKSADEDAYWLQQIYARGQKCWNGPERSAIVDLECSTENKVLDVFEAEKCIYSIKVATPAVCFPPQQQQAQQTQQDGGHQVKDEL