Article
Transcriptional regulation of 5-aminolevulinate synthase by phenobarbital and cAMP-dependent protein kinase.
Archives of biochemistry and biophysics - 15 Dec 1999
Varone C L, Giono L E, Ochoa A, Zakin M M, Cánepa E T
Abstract excerpt
5-Aminolevulinate synthase (ALA-S) is a mitochondrial matrix enzyme that catalyzes the first and rate-limiting step of the heme biosynthesis. There are two ALA-S isozymes encoded by distinct genes. One gene encodes an isozyme that is expressed exclusively in erythroid cells, and the other gene encodes a housekeeping isozyme that is apparently expressed in all tissues. In this report we examine the mechanisms by...
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