CATH Classification

Domain Context

CATH Clusters

Superfamily NAD(P)-binding Rossmann-like Domain
Functional Family NADP-dependent L-serine/L-allo-threonine dehydrogenase

Enzyme Information

1.1.1.62
17-beta-estradiol 17-dehydrogenase.
based on mapping to UniProt Q6UWP2
17-beta-estradiol + NAD(P)(+) = estrone + NAD(P)H.
-!- The enzyme oxidizes or reduces the hydroxy/keto group on C(17) of estrogens and androgens in mammals and regulates the biological potency of these steroids. -!- The mammalian enzyme is bifunctional and also catalyzes EC 1.1.1.270. -!- The enzyme also acts on (S)-20-hydroxypregn-4-en-3-one and related compounds, oxidizing the (S)-20-group, but unlike EC 1.1.1.149, it is Si-specific with respect to NAD(P)(+).
1.1.1.270
3-beta-hydroxysteroid 3-dehydrogenase.
based on mapping to UniProt Q6UWP2
A 3-beta-hydroxysteroid + NADP(+) = a 3-oxosteroid + NADPH.
-!- The enzyme acts on multiple 3-beta-hydroxysteroids. -!- Participates in the biosynthesis of zemosterol and cholesterol, where it catalyzes the reaction in the opposite direction to that shown. -!- The mammalian enzyme is bifunctional and also catalyzes EC 1.1.1.62.

UniProtKB Entries (1)

Q6UWP2
DHR11_HUMAN
Homo sapiens
Dehydrogenase/reductase SDR family member 11

PDB Structure

PDB
External Links
Method
Organism
Primary Citation
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