MeSH Browser

MeSH Heading: Hydro-Lyases
Tree Number(s): D08.811.520.241.300
Unique ID: D006836
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D006836
Annotation: do not confuse with HYDROLASES
Scope Note: Enzymes that catalyze the breakage of a carbon-oxygen bond leading to unsaturated products via the removal of water. EC 4.2.1.
Entry Term(s): Dehydratase; Dehydratases; Hydrase; Hydrases; Hydro Lyase; Hydro Lyases; Hydro-Lyase
Registry Numbers: EC 4.2.1.-
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2020/05/27

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

analysis (AN)

antagonists & inhibitors (AI)

biosynthesis (BI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

deficiency (DF)

drug effects (DE)

economics (EC)

genetics (GE)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

physiology (PH)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

ultrastructure (UL)

urine (UR)

Concept UI: M0010685
Registry Numbers: EC 4.2.1.-
Scope Note: Enzymes that catalyze the breakage of a carbon-oxygen bond leading to unsaturated products via the removal of water. EC 4.2.1.
Terms: Hydro-Lyases Preferred Term
Term UI T020634
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1966); Dehydratases
Term UI T020631
Date03/30/1974
LexicalTag NON
ThesaurusID UNK (19XX); Hydrases
Term UI T020632
Date03/30/1974
LexicalTag NON
ThesaurusID UNK (19XX); Hydro Lyases
Term UI T020633
Date01/26/1978
LexicalTag NON
ThesaurusID UNK (19XX); Hydro-Lyase
Term UI T001007756
Date02/11/2020
LexicalTag NON
ThesaurusID NLM (2021); Dehydratase
Term UI T001007757
Date02/11/2020
LexicalTag NON
ThesaurusID NLM (2021); Hydrase
Term UI T001007758
Date02/11/2020
LexicalTag NON
ThesaurusID NLM (2021); Hydro Lyase
Term UI T001007759
Date02/11/2020
LexicalTag NON
ThesaurusID NLM (2021)

Hydro-Lyases MeSH Descriptor Data 2025