Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.1.1.67 extracted from

  • Tamm, R.; Oselin, K.; Kallassalu, K.; Magi, R.; Anier, K.; Remm, M.; Metspalu, A.
    Thiopurine S-methyltransferase (TPMT) pharmacogenetics: three new mutations and haplotype analysis in the Estonian population (2008), Clin. Chem. Lab. Med., 46, 974-979.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
A154T 460G>A sequence variant of the TPMT gene, location exon 7, amino acid change A154T Homo sapiens
A80P 238G>C sequence variant of the TPMT gene, location exon 5, amino acid change A80P Homo sapiens
K119T 356A>C sequence variant of the TPMT gene, location exon 5, amino acid change K119T Homo sapiens
S125L 374C>T sequence variant of the TPMT gene, location exon 6, amino acid change S125L Homo sapiens
Y240C 719A>G sequence variant of the TPMT gene, location exon 10, amino acid change Y240C Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
cytoplasm
-
Homo sapiens 5737
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
28000
-
-
Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + a thiopurine Homo sapiens
-
S-adenosyl-L-homocysteine + a thiopurine S-methylether
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
blood
-
Homo sapiens
-
erythrocyte
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
TPMT activity amongst 253 healthy Estonian volunteers varies from 21.5 ng/ml/h to 185.5 ng/ml/h with a median of 86.24 ng/ml/h Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + 6-mercaptopurine
-
Homo sapiens S-adenosyl-L-homocysteine + 6-methylmercaptopurine
-
?
S-adenosyl-L-methionine + a thiopurine
-
Homo sapiens S-adenosyl-L-homocysteine + a thiopurine S-methylether
-
?
S-adenosyl-L-methionine + azathioprine
-
Homo sapiens ?
-
?

Synonyms

Synonyms Comment Organism
thiopurine methyltransferase
-
Homo sapiens
TPMT
-
Homo sapiens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
TPMT activity assay Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
TPMT activity assay Homo sapiens