title: [Determination of the enzymatic activity of lysine amidase].
abstract: A technique is proposed for determining lysinamidase and aminolactamase activities of lysinamidase (EC 3.5.1.n.). It is based on spectrophotometric measurement of the optical density decrease of the substrate solution at 227 nm. For cyclic lysinamide L-alpha-amino-epsilon-caprolactam epsilon 227 M = 151 M-1.cm-1, for linear lysinamide epsilon 227 M = 73 M-1.cm-1, and for lysine epsilon 227 M = 5 M-1.cm-1. The technique is simple and requires no additional reagents.
authors.forename: B I
authors.initials: BI
authors.lastname: Cheskis
authors.forename: G B
authors.initials: GB
authors.lastname: Shebeka
authors.forename: A B
authors.initials: AB
authors.lastname: Pauliukonis
authors.forename: D A
authors.initials: DA
authors.lastname: Kazlauskas
mesh_terms: D000581:Amidohydrolases / Q000032:analysis*; D002138:Calibration; D002384:Catalysis; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000581:Amidohydrolases; C040276:lysine amidase
vernacular_title: Opredelenie fermentativnoĭ aktivnosti lizinamidazy.