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The Enzyme Commission number (EC number) is a numerical classification scheme for enzymes, based on the chemical reactions they catalyze. [1] As a system of enzyme nomenclature, every EC number is associated with a recommended name for the corresponding enzyme-catalyzed reaction. EC numbers do not specify enzymes but enzyme-catalyzed reactions.
This list contains a list of sub-classes for the seventh group of Enzyme Commission numbers, EC 7, translocases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology.
The enzyme cytochrome c oxidase or Complex IV (was EC 1.9.3.1, now reclassified as a translocase EC 7.1.1.9) is a large transmembrane protein complex found in bacteria, archaea, and the mitochondria of eukaryotes. [1] It is the last enzyme in the respiratory electron transport chain of cells located in the membrane.
EC 3 Hydrolases: catalyze the hydrolysis of various bonds; EC 4 Lyases: cleave various bonds by means other than hydrolysis and oxidation; EC 5 Isomerases: catalyze isomerization changes within a single molecule; EC 6 Ligases: join two molecules with covalent bonds; For a list of enzymes currently sorted in this category, see List of enzymes
The native enzyme to biotin ratio has been determined to be one mole native enzyme to 4 moles biotin. [3] The N1 of biotin is thought to be the active site base. [4] Site-directed mutagenesis at D422 shows a change in the substrate specificity of the propionyl-CoA binding site, thus indicating this residue's importance in PCC's catalytic ...
Chymotrypsin (EC 3.4.21.1, chymotrypsins A and B, alpha-chymar ophth, avazyme, chymar, chymotest, enzeon, quimar, quimotrase, alpha-chymar, alpha-chymotrypsin A, alpha-chymotrypsin) is a digestive enzyme component of pancreatic juice acting in the duodenum, where it performs proteolysis, the breakdown of proteins and polypeptides. [2]
Atlanta Hawks' Dyson Daniels (5) defends as Milwaukee Bucks' Giannis Antetokounmpo shoots during a semifinal game in the NBA Cup basketball tournament Saturday, Dec. 14, 2024, in Las Vegas.
Aminoacylase is a metallo-enzyme that needs Zinc (Zn 2+) as a cofactor to function. [3] [4] The Zinc ions inside of aminoacylase are each coordinated to histidine, glutamate, aspartate, and water. [1] [3] [5] The Zinc ion polarizes the water, facilitating its deprotonation by a nearby basic residue.