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Alpha-galactosidase is an enzyme, which is derived from the fungus Aspergillus niger. Itâs a homodimeric glycoprotein and it hydrolyzes the terminal alpha-galactosyl moieties (in chemistry moiety is defined as a functional group on a molecule) from glycolipids and glycoproteins.
Alpha Helices. Alpha helices are the most common form of secondary structure in proteins. They are created by right-handed coiling of the primary protein structure. The coiling is caused by hydrogen bond interactions between the amino acids within the protein. Alpha helices are often found in DNA binding motifs.