hydro-lyase

hydro-lyase
hy·dro-ly·ase (hi″dro-liґās) [EC 4.2.1] a sub-subclass of enzymes of the lyase class. These enzymes catalyze the removal of water from a substrate by breakage of a carbon-oxygen bond, leading to formation of a double bond. The recommended name is usually dehydratase. The term synthase or hydratase is used when the reverse aspect of the reaction is dominant.

Medical dictionary. 2011.

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  • lyase — Class name for those enzymes removing groups nonhydrolytically (EC class 4); prefixes such as “hydro ” and “ammonia ” are used to indicate the type of reaction. Trivial names for lyases include synthases, decarboxylases, aldolases, dehydratases.… …   Medical dictionary

  • Glucosaminate ammonia-lyase — In enzymology, a glucosaminate ammonia lyase (EC number|4.3.1.9) is an enzyme that catalyzes the chemical reaction:D glucosaminate ightleftharpoons 2 dehydro 3 deoxy D gluconate + NH3Hence, this enzyme has one substrate, D glucosaminate, and two… …   Wikipedia

  • D-serine ammonia-lyase — Identifiers EC number 4.3.1.18 CAS number 9015 88 7 …   Wikipedia

  • Erythro-3-hydroxyaspartate ammonia-lyase — In enzymology, an erythro 3 hydroxyaspartate ammonia lyase (EC number|4.3.1.20) is an enzyme that catalyzes the chemical reaction:erythro 3 hydroxy Ls aspartate ightleftharpoons oxaloacetate + NH3Hence, this enzyme has one substrate, erythro 3… …   Wikipedia

  • Threonine ammonia-lyase — In enzymology, a threonine ammonia lyase (EC number|4.3.1.19) is an enzyme that catalyzes the chemical reaction:L threonine ightleftharpoons 2 oxobutanoate + NH3Hence, this enzyme has one substrate, L threonine, and two products, 2 oxobutanoate… …   Wikipedia

  • L-serine ammonia-lyase — In enzymology, a L serine ammonia lyase (EC number|4.3.1.17) is an enzyme that catalyzes the chemical reaction:L serine ightleftharpoons pyruvate + NH3Hence, this enzyme has one substrate, L serine, and two products, pyruvate and NH3.This enzyme… …   Wikipedia

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  • Cystathionine beta synthase — Structure of human cystathionine beta synthase.[1] …   Wikipedia

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  • (S)-2-methylmalate dehydratase — In enzymology, a (S) 2 methylmalate dehydratase (EC number|4.2.1.34) is an enzyme that catalyzes the chemical reaction:(S) 2 methylmalate ightleftharpoons 2 methylfumarate + H2OHence, this enzyme has one substrate, (S) 2 methylmalate, and two… …   Wikipedia

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