Enzyme

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EC Tree
     1. Oxidoreductases
        1.3 Acting on the CH-CH group of donors
            1.3.99 With unknown physiological acceptors
ID:1.3.99.4
Description:3-oxosteroid 1-dehydrogenase.
Cath: 3.50.50.60; 3.90.700.10;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 1.3.99.4
BRENDA Enzyme Link: BRENDA 1.3.99.4
KEGG Enzyme Link: KEGG1.3.99.4
BioCyc Enzyme Link: BioCyc 1.3.99.4
ExPASy Enzyme Link: ExPASy1.3.99.4
EC2PDB Enzyme Link: EC2PDB 1.3.99.4
ExplorEnz Enzyme Link: ExplorEnz 1.3.99.4
PRIAM enzyme-specific profiles Link: PRIAM 1.3.99.4
IntEnz Enzyme Link: IntEnz 1.3.99.4
MEDLINE Enzyme Link: MEDLINE 1.3.99.4
MSA:

1.3.99.4;

Phylogenetic Tree:

1.3.99.4;

Uniprot:
M-CSA:
RHEA:51056 A + androst-4-ene-3,17-dione = AH2 + androsta-1,4-diene-3,17-dione
RULE(radius=1) [*:1]-[CH2;+0:2]-[CH2;+0:3]-[*:4]>>[*:1]-[CH;+0:2]=[CH;+0:3]-[*:4]
Reaction
Core-to-Core More

References

TitleAuthorsDatePubMed ID
3-Keto-5alpha-steroid Delta(1)-dehydrogenase from Rhodococcus erythropolis SQ1 and its orthologue in Mycobacterium tuberculosis H37Rv are highly specific enzymes that function in cholesterol catabolism.Knol J, Bodewits K, Hessels GI, Dijkhuizen L, van der Geize R2008 Mar 118031290
Identification and targeted disruption of the gene encoding the main 3-ketosteroid dehydrogenase in Mycobacterium smegmatis.Brzostek A, Sliwiński T, Rumijowska-Galewicz A, Korycka-Machała M, Dziadek J2005 Jul16000729

RHEA:51052 5alpha-androstan-3,17-dione + A = 5alpha-androst-1-ene-3,17-dione + AH2
RULE(radius=1) [*:1]-[CH2;+0:2]-[CH2;+0:3]-[*:4]>>[*:1]-[CH;+0:2]=[CH;+0:3]-[*:4]
Reaction
Core-to-Core More

References

TitleAuthorsDatePubMed ID
Comamonas testosteroni 3-ketosteroid-delta 4(5 alpha)-dehydrogenase: gene and protein characterization.Florin C, Köhler T, Grandguillot M, Plesiat P1996 Jun8655514

RHEA:13329 A + a 3-oxosteroid = a 3-oxo-Delta(1)-steroid + AH2
RULE(radius=1) [*:1]-[CH2;+0:2]-[CH2;+0:3]-[*:4]>>[*:1]-[CH;+0:2]=[CH;+0:3]-[*:4]
Reaction
Core-to-Core More

References

TitleAuthorsDatePubMed ID
3-Keto-5alpha-steroid Delta(1)-dehydrogenase from Rhodococcus erythropolis SQ1 and its orthologue in Mycobacterium tuberculosis H37Rv are highly specific enzymes that function in cholesterol catabolism.Knol J, Bodewits K, Hessels GI, Dijkhuizen L, van der Geize R2008 Mar 118031290
Identification and targeted disruption of the gene encoding the main 3-ketosteroid dehydrogenase in Mycobacterium smegmatis.Brzostek A, Sliwiński T, Rumijowska-Galewicz A, Korycka-Machała M, Dziadek J2005 Jul16000729
Bacterial oxidation of steroids. II. Studies on the enzymatic mechanism of ring A dehydrogenation.LEVY HR, TALALAY P1959 Aug13673006