Term Name:	glycolipid 1,4-alpha-mannosyltransferase activity
Synonyms:	glycosylphosphatidylinositol-mannosyltransferase I, GPI-MT-I activity
Definition:	Catalysis of the transfer of an alpha-D-mannosyl residue from GDP-mannose into lipid-linked oligosaccharide, forming an alpha-(1->4)-D-mannosyl-D-mannose linkage.
Ontology:	GO: Molecular Function [GO:0180041]    QuickGO    AmiGO