Alg-1 is a symbol for the gene, ALG1, chitobiosyldiphosphodolichol beta-mannosyltransferase, in humans. Other names include: Chitobiosyldiphosphodolichol beta-mannosyltransferase; Asparagine-linked glycosylation protein 1 homolog; Beta-1,4-mannosyltransferase; GDP-Man:GlcNAc2-PP-dolichol mannosyltransferase; GDP-mannose-dolichol diphosphochitobiose mannosyltransferase; Mannosyltransferase-1; MT-1; hMat-1; Chitobiosyldiphosphodolichol beta-mannosyltransferase ; CDG1K; HMT-1; HMT1; Mat-1. The encoded protein has an amino acid length of 464 and a mass of 52.5 kDa. This gene shares homology with other species, including: Mouse, Yeast, Rat, Zebrafish, Frog, Chicken.