For our international customers, please be advised that orders cannot be placed through our website by customers in countries with International Distributor representation.
Enzyme Manual
The Worthington Enzyme Manual contains technical information on enzymes including molecular weight, composition, activators, specificity, inhibitors, stability, assay method, optimum pH, ionic effects, temperature effects, extinction coefficient, and isoelectric point, as well as applications and extensive references.
Plasma amine oxidase (PAO) catalyzes the reaction:
There are two classes of amine oxidases: the pyridoxal and copper-containing enzyme to which plasma amine oxidase belongs and the FAD-…
Pokeweed antiviral protein is prepared from the leaves of Phytolacca americana It has been shown to have both antiviral (Irvin, 1983) and anticellular (Irvin 1983, Irvin and Aron 1982, and Cawley et…
Product has been discontinued. Contact marketing@worthington-biochem.com for more information.
Polyphenol oxidase (tyrosinase) (TY) is a bifunctional, copper-containing oxidase having both catecholase and cresolase activity (Malmström and Rydén 1968):
Jolley et al. (1974) refer to it as…
Protease S. aureus, V8 (endoproteinase-Glu-C) specifically cleaves peptide bonds on the COOH-terminal side of either aspartic or glutamic acids (Drapeau et al. 1972). Houmard and Drapeau (1972)…
Proteinase K (PROK) is a serine endopeptidase with a broad spectrum of action, isolated from the filtrate of the fungus Tritirachium album limber.
Characteristics of Proteinase K from Tritirachium…
Pyruvate kinase catalyzes the reaction:
Pyruvate kinase (PK) is a key enzyme in glycogen metabolism. Mammalian PK of different tissues are distinct, their characteristics being related to tissue…
Reverse transcriptases are enzymes encoded in retroviruses viral genome. The enzyme is responsible for transcription of the viral RNA to produce a dsDNA that can be inserted into the host genome.…
Pancreatic ribonuclease (RNase) is an endoribonuclease. It catalyzes the cleavage of the phosphodiester bond between the 5’-ribose of a nucleotide and the phosphate group attached to the 3’-ribose of…
Pancreatic ribonuclease (RNase) is an endoribonuclease. It catalyzes the cleavage of the phosphodiester bond between the 5’-ribose of a nucleotide and the phosphate group attached to the 3’-ribose of…
Ribonuclease T1 is a low molecular weight, highly specific, monomeric endoribonuclease. That from the fungus A. oryzae is the leading member of the family of microbial enzymes that cleave single…
Aspergillus oryzae Ribonuclease T2 is a member of the RNase T2 family of endonucleases that are present in a wide variety of microbial, plant and animal species. In contrast to Aspergillus…
E-Rase™ is an optimized blend of purified ribonucleases with differing base cleavage specificities designed to achieve more complete digestion of target RNA in applications requiring its removal…
Ribonucleic acids are long-chain polymers of nucleotides linked through 3',5'-phosphodiester bonds. Constituent bases are derivatives of purine and pyrimidines, the sugar is D-ribose. The RNA…
E.coli DNA-dependent RNA polymerase catalyzes the initiation (site selection), elongation and termination of polyribonucleotide chains, using ribonucleoside triphosphates as substrates and DNA as…
Product has been discontinued. Contact marketing@worthington-biochem.com for more information.
Superoxide dismutase (SOD) catalyzes the destruction of the O2- free radical.
It protects oxygen-metabolizing cells against harmful effects of superoxide free-radicals (Petkau et al. 1975;…
Trypsin is a pancreatic serine protease with substrate specificity based upon positively charged lysine and arginine side chains (Brown and Wold 1973). The enzyme in excreted by the pancreas and…
Inhibitors sourced from soybean, lima bean or ovomucoid which are tested for their ability to inhibit trypsin.
Soybean trypsin inhibitor (SBTI) first crystallized by Kunitz (1945) is one of several…
Trypsinogen is the 24kDa inactive precursor of trypsin which nay be activated by enzymatic removal of an n-terminal hexapeptide to yield single chain beta-trypsin. Subsequent limited autolysis…
