Recombinant proteins for sucrase-isomaltase are available from various sources. In humans, this protein has a Uniprot ID of P14410 and has an annotated function: 'Plays an important role in the final stage of carbohydrate digestion.' This enzyme, classified as sucrose alpha-glucosidase, is 1827 amino acids in length and 209.5 kilodaltons in mass. This protein is encoded by the gene SI. Other names also exist, such as: sucrase-isomaltase, intestinal, alpha-glucosidase, oligosaccharide alpha-1,6-glucosidase. This protein is conserved in other species, including: mouse, rat, zebrafish, chimpanzee, guinea pig.