Author: joysine

Image by/from WikiMedia Commons In enzymology, a histidine-tRNA ligase (EC 6.1.1.21) is an enzyme that catalyzes the chemical reaction The 3 substrates of this enzyme are ATP, L-histidine, and tRNA(His), whereas its 3 products are AMP, diphosphate, and L-histidyl-tRNA(His). This enzyme participates in histidine metabolism and aminoacyl-trna biosynthesis. Histidine—tRNA ligase belongs to the family of […]

Image by/from WikiMedia Commons In enzymology, a riboflavinase (EC 3.5.99.1) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are riboflavin and H2O, whereas its two products are ribitol and lumichrome. This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically […]

Image by/from WikiMedia Commons In enzymology, a cyclopropane-fatty-acyl-phospholipid synthase (EC 2.1.1.79) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and phospholipid olefinic fatty acid, whereas its two products are S-adenosylhomocysteine and phospholipid cyclopropane fatty acid. This enzyme belongs to the family of transferases, specifically those […]

Image by/from WikiMedia Commons In enzymology, a 3-hydroxymethylcephem carbamoyltransferase (EC 2.1.3.7) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are carbamoyl phosphate and 3-hydroxymethylceph-3-em-4-carboxylate, whereas its two products are phosphate and 3-carbamoyloxymethylcephem. This enzyme belongs to the family of transferases, that transfer one-carbon groups, specifically the carboxy- and […]

Image by/from WikiMedia Commons In enzymology, a lysine carbamoyltransferase (EC 2.1.3.8) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are carbamoyl phosphate and L-lysine, whereas its two products are phosphate and L-homocitrulline. This enzyme belongs to the family of transferases that transfer one-carbon groups, specifically the carboxy- and […]

Image by/from WikiMedia Commons In enzymology, a proline—tRNA ligase (EC 6.1.1.15) is an enzyme that catalyzes the chemical reaction The 3 substrates of this enzyme are ATP, L-proline, and tRNA(Pro), whereas its 3 products are AMP, diphosphate, and L-prolyl-tRNA(Pro). This enzyme participates in arginine and proline metabolism and aminoacyl-trna biosynthesis. This enzyme belongs to the […]

Image by/from WikiMedia Commons In enzymology, a hexaprenyldihydroxybenzoate methyltransferase (EC 2.1.1.114) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are S-adenosyl methionine and 3-hexaprenyl-4,5-dihydroxybenzoate, whereas its two products are S-adenosylhomocysteine and 3-hexaprenyl-4-hydroxy-5-methoxybenzoate. This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic […]

Image by/from Solid State Cyclopentadienyl magnesium bromide is a chemical compound with the molecular formula .mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}C5H5MgBr. The molecule consists of a magnesium atom bonded to a bromine atom and a cyclopentadienyl group, a ring of five carbons each with one hydrogen atom. The compound is a Grignard reagent, a type of […]

Image by/from WikiMedia Commons In enzymology, a putrescine carbamoyltransferase (EC 2.1.3.6) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are carbamoyl phosphate and putrescine, whereas its two products are phosphate and N-carbamoylputrescine. This enzyme belongs to the family of transferases that transfer one-carbon groups, specifically the carboxy- and […]

Image by/from WikiMedia Commons In enzymology, an oxamate carbamoyltransferase (EC 2.1.3.5) is an enzyme that catalyzes the chemical reaction Thus, the two substrates of this enzyme are carbamoyl phosphate and oxamate, whereas its two products are phosphate and oxalureate. This enzyme belongs to the family of transferases that transfer one-carbon groups, specifically the carboxy- and […]