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Hydroxylamine reductase

In enzymology, a hydroxylamine reductase is an enzyme that catalyzes the chemical reaction NH 3 + H 2 O + acceptor ⇌ {\displaystyle \rightleftharpoons } hydroxylamine + reduced acceptor The 3 substrates of this enzyme are NH 3, H 2 O, and accepto ...

                                               

Hydroxylamine reductase (NADH)

In enzymology, a hydroxylamine reductase is an enzyme that catalyzes the chemical reaction NH 3 + NAD + + H 2 O ⇌ {\displaystyle \rightleftharpoons } hydroxylamine + NADH + H + The 3 substrates of this enzyme are NH 3, NAD +, and H 2 O, whereas i ...

                                               

Hydroxylysine kinase

In enzymology, a hydroxylysine kinase is an enzyme that catalyzes the chemical reaction GTP + 5-hydroxy-L-lysine ⇌ {\displaystyle \rightleftharpoons } GDP + 5-phosphonooxy-L-lysine Thus, the two substrates of this enzyme are GTP and 5-hydroxy-L-l ...

                                               

Hydroxymalonate dehydrogenase

In enzymology, a hydroxymalonate dehydrogenase is an enzyme that catalyzes the chemical reaction hydroxymalonate + NAD + ⇌ {\displaystyle \rightleftharpoons } oxomalonate + NADH + H + Thus, the two substrates of this enzyme are hydroxymalonate an ...

                                               

Hydroxymandelonitrile glucosyltransferase

In enzymology, a hydroxymandelonitrile glucosyltransferase is an enzyme that catalyzes the chemical reaction UDP-glucose + 4-hydroxymandelonitrile ⇌ {\displaystyle \rightleftharpoons } UDP + taxiphyllin Thus, the two substrates of this enzyme are ...

                                               

Hydroxymethylglutaryl-CoA hydrolase

In enzymology, a hydroxymethylglutaryl-CoA hydrolase is an enzyme that catalyzes the chemical reaction S-3-hydroxy-3-methylglutaryl-CoA + H 2 O ⇌ {\displaystyle \rightleftharpoons } CoA + 3-hydroxy-3-methylglutarate Thus, the two substrates of th ...

                                               

(hydroxymethylglutaryl-CoA reductase (NADPH)-phosphatase

In enzymology, a -phosphatase is an enzyme that catalyzes the chemical reaction -phosphate phosphohydrolase. This enzyme is also called reductase phosphatase.

                                               

Hydroxymethylpyrimidine kinase

In enzymology, a hydroxymethylpyrimidine kinase is an enzyme that catalyzes the chemical reaction ATP + 4-amino-5-hydroxymethyl-2-methylpyrimidine ⇌ {\displaystyle \rightleftharpoons } ADP + 4-amino-5-phosphonooxymethyl-2-methylpyrimidine Thus, t ...

                                               

Hydroxynitrilase

In enzymology, a hydroxynitrilase is an enzyme that catalyzes the chemical reaction acetone cyanohydrin ⇌ {\displaystyle \rightleftharpoons } cyanide + acetone Hence, this enzyme has one substrate, acetone cyanohydrin, and two products, cyanide a ...

                                               

Hydroxyphenylacetonitrile 2-monooxygenase

In enzymology, a hydroxyphenylacetonitrile 2-monooxygenase is an enzyme that catalyzes the chemical reaction 4-hydroxyphenylacetonitrile + NADPH + H + + O 2 ⇌ {\displaystyle \rightleftharpoons } 4-hydroxymandelonitrile + NADP + + H 2 O The 4 subs ...

                                               

Hydroxyphenylpyruvate reductase

In enzymology, a hydroxyphenylpyruvate reductase is an enzyme that catalyzes the chemical reaction 3-4-hydroxyphenyllactate + NAD + ⇌ {\displaystyle \rightleftharpoons } 3-4-hydroxyphenylpyruvate + NADH + H + Thus, the two substrates of this enzy ...

                                               

Hydroxyphytanate oxidase

In enzymology, a hydroxyphytanate oxidase is an enzyme that catalyzes the chemical reaction L-2-hydroxyphytanate + O 2 ⇌ {\displaystyle \rightleftharpoons } 2-oxophytanate + H 2 O 2 Thus, the two substrates of this enzyme are L-2-hydroxyphytanate ...

                                               

Hydroxypyruvate decarboxylase

In enzymology, a hydroxypyruvate decarboxylase is an enzyme that catalyzes the chemical reaction hydroxypyruvate ⇌ {\displaystyle \rightleftharpoons } glycolaldehyde + CO 2 Hence, this enzyme has one substrate, hydroxypyruvate, and two products, ...

                                               

Hydroxypyruvate isomerase

In enzymology, a hydroxypyruvate isomerase is an enzyme that catalyzes the chemical reaction hydroxypyruvate ⇌ {\displaystyle \rightleftharpoons } 2-hydroxy-3-oxopropanoate Hence, this enzyme has one substrate, hydroxypyruvate, and one product, 2 ...

                                               

Hygromycin-B kinase

In enzymology, a hygromycin-B kinase is an enzyme that catalyzes the chemical reaction ATP + hygromycin B ⇌ {\displaystyle \rightleftharpoons } ADP + 7"-O-phosphohygromycin Thus, the two substrates of this enzyme are ATP and hygromycin B, whereas ...

                                               

Hyoscyamine (6S)-dioxygenase

In enzymology, a hyoscyamine -dioxygenase is an enzyme that catalyzes the chemical reaction L-hyoscyamine + 2-oxoglutarate + O 2 ⇌ {\displaystyle \rightleftharpoons } 6S-hydroxyhyoscyamine + succinate + CO 2 The 3 substrates of this enzyme are L- ...

                                               

Hyponitrite reductase

In enzymology, a hyponitrite reductase is an enzyme that catalyzes the oxidation of hydroxylamine H 2 NOH by the nicotinamide adenine dinucleotide cation into hyponitrous acid HON=NOH: 2 H 2 NOH + 2 NAD + ⇌ {\displaystyle \rightleftharpoons } HON ...

                                               

Hypotaurine dehydrogenase

In enzymology, a hypotaurine dehydrogenase is an enzyme that catalyzes the chemical reaction hypotaurine + H 2 O + NAD + ⇌ {\displaystyle \rightleftharpoons } taurine + NADH + H + The 3 substrates of this enzyme are hypotaurine, H 2 O, and NAD +, ...

                                               

Hypotaurocyamine kinase

In enzymology, a hypotaurocyamine kinase is an enzyme that catalyzes the chemical reaction ATP + hypotaurocyamine ⇌ {\displaystyle \rightleftharpoons } ADP + Nomega-phosphohypotaurocyamine Thus, the two substrates of this enzyme are ATP and hypot ...

                                               

Icosanoyl-CoA synthase

In enzymology, an icosanoyl-CoA synthase is an enzyme that catalyzes the chemical reaction stearoyl-CoA + malonyl-CoA + 2 NADPH + 2 H + ⇌ {\displaystyle \rightleftharpoons } icosanoyl-CoA + CO 2 + CoA + 2 NADP+ + H 2 O The 5 substrates of this en ...

                                               

Imidazole N-acetyltransferase

In enzymology, an imidazole N-acetyltransferase is an enzyme that catalyzes the chemical reaction acetyl-CoA + imidazole ⇌ {\displaystyle \rightleftharpoons } CoA + N-acetylimidazole Thus, the two substrates of this enzyme are acetyl-CoA and imid ...

                                               

Imidazoleacetate 4-monooxygenase

In enzymology, an imidazoleacetate 4-monooxygenase is an enzyme that catalyzes the chemical reaction 4-imidazoleacetate + NADH + H + + O 2 ⇌ {\displaystyle \rightleftharpoons } 5-hydroxy-4-imidazoleacetate + NAD + + H 2 O The 4 substrates of this ...

                                               

Imidazoleacetate-phosphoribosyldiphosphate ligase

In enzymology, an imidazoleacetate-phosphoribosyldiphosphate ligase is an enzyme that catalyzes the chemical reaction ATP + imidazole-4-acetate + 5-phosphoribosyl diphosphate ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate + 1-5-phosphoribo ...

                                               

Indanol dehydrogenase

In enzymology, an indanol dehydrogenase is an enzyme that catalyzes the chemical reaction indan-1-ol + NADP+ ⇌ {\displaystyle \rightleftharpoons } indanone + NADPH + H + The 3 substrates of this enzyme are indan-1-ol, NAD +, and NADP +, whereas i ...

                                               

Indole 2.3-dioxygenase

In enzymology, an indole 2.3-dioxygenase is an enzyme that catalyzes the chemical reaction indole + O 2 ⇌ {\displaystyle \rightleftharpoons } 2-formylaminobenzaldehyde Thus, the two substrates of this enzyme are indole and O 2, whereas its produc ...

                                               

Indole-3-acetaldehyde oxidase

In enzymology, an indole-3-acetaldehyde oxidase is an enzyme that catalyzes the chemical reaction indol-3-ylacetaldehyde + H 2 O + O 2 ⇌ {\displaystyle \rightleftharpoons } indol-3-ylacetate + H 2 O 2 The 3 substrates of this enzyme are indol-3-y ...

                                               

Indole-3-acetaldehyde reductase (NADH)

In enzymology, an indole-3-acetaldehyde reductase is an enzyme that catalyzes the chemical reaction indol-3-ylethanol + NAD + ⇌ {\displaystyle \rightleftharpoons } indol-3-ylacetaldehyde + NADH + H + Thus, the two substrates of this enzyme are in ...

                                               

Indole-3-acetaldehyde reductase (NADPH)

In enzymology, an indole-3-acetaldehyde reductase is an enzyme that catalyzes the chemical reaction indol-3-ylethanol + NADP + ⇌ {\displaystyle \rightleftharpoons } indol-3-ylacetaldehyde + NADPH + H + Thus, the two substrates of this enzyme are ...

                                               

Indole-3-acetate beta-glucosyltransferase

In enzymology, an indole-3-acetate beta-glucosyltransferase is an enzyme that catalyzes the chemical reaction UDP-glucose + indol-3-ylacetate ⇌ {\displaystyle \rightleftharpoons } UDP + 1-O-indol-3-ylacetyl-beta-D-glucose Thus, the two substrates ...

                                               

Indole-3-glycerol-phosphate lyase

In enzymology, an indole-3-glycerol-phosphate lyase is an enzyme that catalyzes the chemical reaction 1S,2R-1-C-indol-3-ylglycerol 3-phosphate ⇌ {\displaystyle \rightleftharpoons } indole + D-glyceraldehyde 3-phosphate Hence, this enzyme has one ...

                                               

Indoleacetate-lysine synthetase

In enzymology, an indoleacetate-lysine synthetase is an enzyme that catalyzes the chemical reaction ATP + indol-3-ylacetate + L-lysine ⇌ {\displaystyle \rightleftharpoons } ADP + phosphate + N 6 -. This enzyme belongs to the family of ligases, sp ...

                                               

Indoleacetylglucose-inositol O-acyltransferase

In enzymology, an indoleacetylglucose-inositol O-acyltransferase is an enzyme that catalyzes the chemical reaction 1-O-indol-3-ylacetyl-beta-D-glucose + myo-inositol ⇌ {\displaystyle \rightleftharpoons } D-glucose + O-indol-3-ylacetyl-myo-inosito ...

                                               

Indolelactate dehydrogenase

In enzymology, an indolelactate dehydrogenase is an enzyme that catalyzes the chemical reaction indol-3-yllactate + NAD + ⇌ {\displaystyle \rightleftharpoons } indol-3-ylpyruvate + NADH + H + Thus, the two substrates of this enzyme are indol-3-yl ...

                                               

Indolepyruvate C-methyltransferase

In enzymology, an indolepyruvate C-methyltransferase is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine + indol-3-ylpyruvate ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + 3S-3-indol-3-yl-3-oxobutanoate T ...

                                               

Indolepyruvate ferredoxin oxidoreductase

In enzymology, an indolepyruvate ferredoxin oxidoreductase is an enzyme that catalyzes the chemical reaction indol-3-ylpyruvate + CoA + oxidized ferredoxin ⇌ {\displaystyle \rightleftharpoons } S-2-indol-3-ylacetyl-CoA + CO 2 + reduced ferredoxin ...

                                               

Indolylacetyl-myo-inositol galactosyltransferase

In enzymology, an indolylacetyl-myo-inositol galactosyltransferase is an enzyme that catalyzes the chemical reaction UDP-galactose + indol-3-ylacetyl-myo-inositol ⇌ {\displaystyle \rightleftharpoons } UDP + 5-O-indol-3-ylacetyl-myo-inositol D-gal ...

                                               

Indolylacetylinositol arabinosyltransferase

In enzymology, an indolylacetylinositol arabinosyltransferase is an enzyme that catalyzes the chemical reaction UDP-L-arabinose + indol-3-ylacetyl-1D-myo-inositol ⇌ {\displaystyle \rightleftharpoons } UDP + indol-3-ylacetyl-myo-inositol 3-L-arabi ...

                                               

Indoxyl-UDPG glucosyltransferase

In enzymology, an indoxyl-UDPG glucosyltransferase is an enzyme that catalyzes the chemical reaction UDP-glucose + indoxyl ⇌ {\displaystyle \rightleftharpoons } UDP + indican Thus, the two substrates of this enzyme are UDP-glucose and indoxyl, wh ...

                                               

Initiation-specific alpha-1.6-mannosyltransferase

In enzymology, an initiation-specific alpha-1.6-mannosyltransferase is an enzyme that catalyzes the chemical reaction in which an alpha-D-mannosyl residue is transferred from GDP-mannose to a lipid-linked oligosaccharide, being linked by an alpha ...

                                               

Inosinate nucleosidase

In enzymology, an inosinate nucleosidase is an enzyme that catalyzes the chemical reaction 5-inosinate + H 2 O ⇌ {\displaystyle \rightleftharpoons } D-ribose 5-phosphate + hypoxanthine Thus, the two substrates of this enzyme are 5-inosinate and H ...

                                               

Inosine kinase

In enzymology, an inosine kinase is an enzyme that catalyzes the chemical reaction ATP + inosine ⇌ {\displaystyle \rightleftharpoons } ADP + IMP Thus, the two substrates of this enzyme are ATP and inosine, whereas its two products are ADP and IMP ...

                                               

Inosine nucleosidase

In enzymology, an inosine nucleosidase is an enzyme that catalyzes the chemical reaction inosine + H 2 O ⇌ {\displaystyle \rightleftharpoons } D-ribose + hypoxanthine Thus, the two substrates of this enzyme are inosine and H 2 O, whereas its two ...

                                               

Inositol 2-dehydrogenase

In enzymology, an inositol 2-dehydrogenase is an enzyme that catalyzes the chemical reaction myo-inositol + NAD + ⇌ {\displaystyle \rightleftharpoons } 2.4.6/3.5-pentahydroxycyclohexanone + NADH + H + Thus, the two substrates of this enzyme are m ...

                                               

Inositol 3-alpha-galactosyltransferase

In enzymology, an inositol 3-alpha-galactosyltransferase is an enzyme that catalyzes the chemical reaction UDP-galactose + myo-inositol ⇌ {\displaystyle \rightleftharpoons } UDP + O-alpha-D-galactosyl-1-> 3-1D-myo-inositol Thus, the two substr ...

                                               

Inositol 3-kinase

In enzymology, an inositol 3-kinase is an enzyme that catalyzes the chemical reaction ATP + myo-inositol ⇌ {\displaystyle \rightleftharpoons } ADP + 1D-myo-inositol 3-phosphate Thus, the two substrates of this enzyme are ATP and myo-inositol, whe ...

                                               

Inositol-pentakisphosphate 2-kinase

In enzymology, an inositol-pentakisphosphate 2-kinase is an enzyme that catalyzes the chemical reaction ATP + 1D-myo-inositol 1.3.4.5.6-pentakisphosphate ⇌ {\displaystyle \rightleftharpoons } ADP + 1D-myo-inositol hexakisphosphate Thus, the two s ...

                                               

Inositol-tetrakisphosphate 5-kinase

In enzymology, an inositol-tetrakisphosphate 5-kinase is an enzyme that catalyzes the chemical reaction ATP + 1D-myo-inositol 1.3.4.6-tetrakisphosphate ⇌ {\displaystyle \rightleftharpoons } ADP + 1D-myo-inositol 1.3.4.5.6-pentakisphosphate Thus, ...

                                               

Inulin fructotransferase (DFA-I-forming)

In enzymology, an inulin fructotransferase is an enzyme that catalyzes the chemical reaction Produces alpha-D-fructofuranose beta-D-fructofuranose 1.2:2.1-dianhydride DFA I by successively eliminating the diminishing 2-> 1-beta-D-fructan inuli ...

                                               

Inulosucrase

In enzymology, an inulosucrase is an enzyme that catalyzes the chemical reaction sucrose + 2.1-beta-D-fructosyl n ⇌ {\displaystyle \rightleftharpoons } glucose + 2.1-beta-D-fructosyl n+1 Thus, the two substrates of this enzyme are sucrose and 2.1 ...

                                               

Iodophenol O-methyltransferase

In enzymology, an iodophenol O-methyltransferase is an enzyme that catalyzes the chemical reaction S-adenosyl-L-methionine + 2-iodophenol ⇌ {\displaystyle \rightleftharpoons } S-adenosyl-L-homocysteine + 2-iodophenol methyl ether Thus, the two su ...

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