glycoprotein mannose trimming on B branch, conversion of (Man)9(GlcNAc)2 to (Man)8B(GlcNAc)2, conversion of M9 to M8B
Alternate IDs
None
Definition
The removal of an alpha-1,2-linked mannose from the B-chain of a glycoprotein oligosaccharide in the endoplasmic reticulum.
Source:KEGG_REACTION:R06722,
GOC:PARL,
PMID:22160784,
GOC:bf
Comment
Consider also annotating to 'mannosyl-oligosaccharide 1,2-alpha-mannosidase activity ; GO:0004571'.