FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

S-methyl-5-thioribose-1-phosphate isomerase activity

ID (Ontology)

GO:0046523 (Gene Ontology)

Definition

Catalysis of the reaction: S-methyl-5-thio-alpha-D-ribose 1-phosphate = S-methyl-5-thio-D-ribulose 1-phosphate.

Also Known As

"5-methylthioribose-1-phosphate isomerase activity"

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_MOLECULAR_FUNCTION

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
S-methyl-5-thioribose-1-phosphate isomerase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| S-methyl-5-thioribose-1-phosphate isomerase activity

Spanning Tree (Parents/Children)

  intramolecular oxidoreductase activity
   |__intramolecular oxidoreductase activity, interconverting aldoses and ketoses
       |__S-methyl-5-thioribose-1-phosphate isomerase activity  1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	intramolecular oxidoreductase activity, interconverting aldoses and ketoses
Part of
Synonyms & Secondary IDs
Synonyms
	"1-phospho-5'-S-methylthioribose isomerase activity" RELATED[ EC:5 ] "1-PMTR isomerase activity" RELATED[ EC:5 ] "5-methylthio-5-deoxy-D-ribose-1-phosphate ketol-isomerase activity" RELATED[ EC:5 ] "5-methylthioribose-1-phosphate isomerase activity" EXACT "methylthioribose 1-phosphate isomerase activity" RELATED[ EC:5 ] "MTR-1-P isomerase activity" RELATED[ EC:5 ] "S-methyl-5-thio-5-deoxy-D-ribose-1-phosphate aldose-ketose-isomerase activity" RELATED[ EC:5 ] "S-methyl-5-thio-5-deoxy-D-ribose-1-phosphate ketol-isomerase activity" RELATED[ EC:5 ] "S-methyl-5-thio-alpha-D-ribose-1-phosphate aldose-ketose-isomerase activity" RELATED[ EC:5 ] "S-methyl-5-thio-D-ribose-1-phosphate aldose-ketose-isomerase activity" RELATED[ EC:5 ]
Secondary IDs

External Crossreferences & Linkouts
	EC:5.3.1.23 KEGG_REACTION:R04420 MetaCyc:5.3.1.23-RXN Reactome:R-HSA-1237096 "Methylthio-ribose-P => Methylthio-ribulose-P" Reactome:R-HSA-1299507 "Methylthio-ribulose-P => Methylthio-ribose-P" RHEA:19989