title: Three factors for amino acid polymerization from silkworm silkglands.
mesh_terms: D000251:Adenosine Triphosphatases; D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D012831:Bombyx / Q000201:enzymology*; D002247:Carbon Isotopes; D002845:Chromatography; D002850:Chromatography, Gel; D010452:Peptide Biosynthesis
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes; D000251:Adenosine Triphosphatases