Steroid 5-alpha-reductase 3, also known as 3-oxo-5-alpha-steroid 4-dehydrogenase 3, is an
enzyme
Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products ...
that in humans is encoded by the ''SRD5A3''
gene
In biology, the word gene (from , ; "...Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." meaning ''generation'' or ''birth'' or ''gender'') can have several different meanings. The Mendelian gene is a b ...
.
It is one of three forms of
5α-reductase
5α-Reductases, also known as 3-oxo-5α-steroid 4-dehydrogenases, are enzymes involved in steroid metabolism. They participate in three metabolic pathways: bile acid biosynthesis, androgen and estrogen metabolism. There are three isozymes o ...
.
See also
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SRD5A3-CDG
SRD5A3-CDG (also known as CDG syndrome type Iq, CDG-Iq, CDG1Q or Congenital disorder of glycosylation type 1q) is a rare, non X-linked congenital disorder of glycosylation (CDG) due to a mutation in the steroid 5 alpha reductase type 3 gene. It i ...
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Congenital disorder of glycosylation
A congenital disorder of glycosylation (previously called carbohydrate-deficient glycoprotein syndrome) is one of several rare inborn errors of metabolism in which glycosylation of a variety of tissue proteins and/or lipids is deficient or defe ...
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Kahrizi syndrome
Kahrizi syndrome (KHRZ) is an autosomal-recessive disease that is identified by mental retardation, cataracts, coloboma, kyphosis, and coarse facial features caused by a homozygous mutation in the SRD5A3 gene.
Signs and symptoms
Human traits r ...
, a syndrome caused by a mutation in this gene
References
Further reading
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EC 1.3.99
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