go_id,ontology,go_term,term_definition,evidence
GO:0000139,CC,"Golgi membrane","The lipid bilayer surrounding any of the compartments of the Golgi apparatus.",IEA
GO:0001574,BP,"ganglioside biosynthetic process","The chemical reactions and pathways resulting in the formation of ceramide oligosaccharides carrying in addition to other sugar residues, one or more sialic acid residues.",ISS
GO:0003828,MF,"alpha-N-acetylneuraminate alpha-2,8-sialyltransferase activity","Catalysis of the reaction: CMP-N-acetylneuraminate + alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-R = CMP + alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-R.",TAS
GO:0006464,BP,"cellular protein modification process","The covalent alteration of one or more amino acids occurring in proteins, peptides and nascent polypeptides (co-translational, post-translational modifications) occurring at the level of an individual cell. Includes the modification of charged tRNAs that are destined to occur in a protein (pre-translation modification).",TAS
GO:0006486,BP,"protein glycosylation","A protein modification process that results in the addition of a carbohydrate or carbohydrate derivative unit to a protein amino acid, e.g. the addition of glycan chains to proteins.",IDA
GO:0006491,BP,"N-glycan processing","The conversion of N-linked glycan (N = nitrogen) structures from the initially transferred oligosaccharide to a mature form, by the actions of glycosidases and glycosyltransferases. The early processing steps are conserved and play roles in glycoprotein folding and trafficking.",IEA
GO:0007399,BP,"nervous system development","The process whose specific outcome is the progression of nervous tissue over time, from its formation to its mature state.",TAS
GO:0009311,BP,"oligosaccharide metabolic process","The chemical reactions and pathways involving oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages.",IBA
GO:0030173,CC,"integral component of Golgi membrane","The component of the Golgi membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.",NAS
GO:0033691,MF,"sialic acid binding","Interacting selectively and non-covalently with sialic acid, any of a variety of N- or O- substituted derivatives of neuraminic acid, a nine carbon monosaccharide. Sialic acids often occur in polysaccharides, glycoproteins, and glycolipids in animals and bacteria.",IDA
GO:0097503,BP,sialylation,"The covalent attachment of sialic acid to a substrate molecule.",IDA