MeSH Browser

MeSH Heading: Pyrimidine Phosphorylases
Tree Number(s): D08.811.913.400.725.850
Unique ID: D057845
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D057845
Scope Note: Pentosyltransferases that catalyze the reaction between a pyrimidine nucleoside and orthophosphate to form a free pyrimidine and ribose-5-phosphate.
Entry Term(s): Pyrimidine Nucleoside Phosphorylase
Registry Numbers: EC 2.4.2.-
Previous Indexing: Pentosyltransferases (1982-2010)
Public MeSH Note: 2011; PYRIMIDINE-NUCLEOSIDE PHOSPHORYLASE was indexed under PENTOSYLTRANSFERASES 1983-2010, and under PYRIMIDINE NUCLEOSIDES 1974-1982
History Note: 2011
Date Established: 2011/01/01
Date of Entry: 2010/06/25
Revision Date: 1955/01/01

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)

Pyrimidine Phosphorylases MeSH Descriptor Data 2025