Article
Enhanced proteasomal degradation of mutant human thiopurine S-methyltransferase (TPMT) in mammalian cells: mechanism for TPMT protein deficiency inherited by TPMT*2, TPMT*3A, TPMT*3B or TPMT*3C.
Pharmacogenetics - 1 Oct 1999
Tai H L, Fessing M Y, Bonten E J, Yanishevsky Y, d'Azzo A, Krynetski E Y, Evans W E
Abstract excerpt
Inheritance of the TPMT*2, TPMT*3A and TPMT*3C mutant alleles is associated with deficiency of thiopurine S-methyltransferase (TPMT) activity in humans. However, unlike TPMT*2 and TPMT*3A, the catalytically active protein coded by TPMT*3C does not undergo enhanced proteolysis when heterologously expressed in yeast, making it unclear why this common mutant allele should be associated with inheritance of...
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