ENZYME entry: EC 1.14.19.79

Accepted Name

3beta,22alpha-dihydroxysteroid 3-dehydrogenase

Alternative Name(s)

CYP90A1

Reaction catalysed

(22S)-22-hydroxycampesterol + O2 + reduced [NADPH--hemoprotein reductase] <=> (22S)-22-hydroxycampest-4-en-3-one + H(+) + 2 H2O + oxidized [NADPH--hemoprotein reductase]
6-deoxoteasterone + O2 + reduced [NADPH--hemoprotein reductase] <=> 3-dehydro-6-deoxoteasterone + H(+) + 2 H2O + oxidized [NADPH--hemoprotein reductase]

Comment(s)

This cytochrome P450 (heme-thiolate) enzyme, characterized from the plant Arabidopsis thaliana, catalyzes C-3 dehydrogenation of all 3beta-hydroxy brassinosteroid synthesis intermediates with 22-hydroxylated or 2(2),2(3)-dihydroxylated side chains.

Cross-references

BRENDA

1.14.19.79

EC2PDB

1.14.19.79

ExplorEnz

1.14.19.79

PRIAM enzyme-specific profiles

1.14.19.79

KEGG Ligand Database for Enzyme Nomenclature

1.14.19.79

IUBMB Enzyme Nomenclature

1.14.19.79

IntEnz

1.14.19.79

MEDLINE

Find literature relating to 1.14.19.79

MetaCyc

1.14.19.79

Rhea expert-curated reactions

1.14.19.79

UniProtKB/Swiss-Prot

Q42569, C90A1_ARATH

I1IUJ6, C90A1_BRADI

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