title: An active proteolytic fragment of Gonyaulax luciferase.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D002940:Circadian Rhythm; D003624:Darkness; D056890:Eukaryota / Q000201:enzymology* / Q000254:growth & development; D049454:Firefly Luciferin; D006146:Guanidines; D006863:Hydrogen-Ion Concentration; D008027:Light; D008156:Luciferases / Q000302:isolation & purification* / Q000378:metabolism; D008163:Luminescent Measurements; D046911:Macromolecular Substances; D008970:Molecular Weight; D010446:Peptide Fragments / Q000302:isolation & purification; D011489:Protein Denaturation; D013381:Subtilisins
chemical_list: D006146:Guanidines; D046911:Macromolecular Substances; D010446:Peptide Fragments; D049454:Firefly Luciferin; D008156:Luciferases; D013381:Subtilisins