EC - S-methyl-5-thioribose kinase

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IntEnz Enzyme Nomenclature


Accepted name:
S-methyl-5-thioribose kinase
Other names:
5-methylthioribose kinase
5-methylthioribose kinase (phosphorylating)
ATP:S5-methyl-5-thio-D-ribose 1-phosphotransferase
methylthioribose kinase
MTR kinase
Systematic name:
ATP:S-methyl-5-thio-D-ribose 1-phosphotransferase



CTP also acts, but more slowly.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , DIAGRAM , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0046522
CAS Registry Number: 68247-56-3
UniProtKB/Swiss-Prot: (46) [show] [UniProt]


  1. Ferro, A.J., Barrett, A. and Shapiro, S.K.
    5-Methylthioribose kinase. A new enzyme involved in the formation of methionine from 5-methylthioribose.
    J. Biol. Chem. 253 : 6021-6025 (1978). [PMID: 210167]
  2. Guranowski, A.
    Plant 5-methylthioribose kinase.
    Plant Physiol. 71 : 932-935 (1983).

[EC created 1980]