Enzyme

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EC Tree
     4. Lyases
        4.4 Carbon-sulfur lyases
            4.4.1 Carbon-sulfur lyases (only sub-subclass identified to date)
ID:4.4.1.2
Description:Homocysteine desulfhydrase.
Alternative Name: Homocysteine desulfurase.
Cath: 3.40.640.10; 3.90.1150.10;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 4.4.1.2
BRENDA Enzyme Link: BRENDA 4.4.1.2
KEGG Enzyme Link: KEGG4.4.1.2
BioCyc Enzyme Link: BioCyc 4.4.1.2
ExPASy Enzyme Link: ExPASy4.4.1.2
EC2PDB Enzyme Link: EC2PDB 4.4.1.2
ExplorEnz Enzyme Link: ExplorEnz 4.4.1.2
PRIAM enzyme-specific profiles Link: PRIAM 4.4.1.2
IntEnz Enzyme Link: IntEnz 4.4.1.2
MEDLINE Enzyme Link: MEDLINE 4.4.1.2
MSA:

4.4.1.2;

Phylogenetic Tree:

4.4.1.2;

Uniprot:
M-CSA:
RHEA:14501 H2O + L-homocysteine = 2-oxobutanoate + H(+) + hydrogen sulfide + NH4(+)
RULE(radius=1) [*:1]-[CH;+0:2](-[NH2;+0:3])-[*:4]-[CH2;+0:5]-[SH;+0:6].[OH2;+0:7]>>[*:1]-[C;H0;+0:2](=[O;H0;+0:7])-[*:4]-[CH3;+0:5].[NH3;+0:3].[SH2;+0:6]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Purification of bacterial L-methionine gamma-lyase.Nakayama T, Esaki N, Sugie K, Beresov TT, Tanaka H, Soda K1984 May 16742420
The role of amino acid residues in the active site of L-methionine γ-lyase from Pseudomonas putida.Fukumoto M, Kudou D, Murano S, Shiba T, Sato D, Tamura T, Harada S, Inagaki K201222785484
Conversion of methionine to cysteine in Bacillus subtilis and its regulation.Hullo MF, Auger S, Soutourina O, Barzu O, Yvon M, Danchin A, Martin-Verstraete I2007 Jan17056751
High production of methyl mercaptan by L-methionine-alpha-deamino-gamma-mercaptomethane lyase from Treponema denticola.Fukamachi H, Nakano Y, Okano S, Shibata Y, Abiko Y, Yamashita Y2005 May 2715845368
Function of pyridoxal phosphate in desulfhydrase systems of Proteus morganii.KALLIO RE1951 Sep14917685
3-Chloro-DL-alanine resistance by L-methionine-alpha-deamino-gamma-mercaptomethane-lyase activity.Yoshimura M, Nakano Y, Fukamachi H, Koga T2002 Jul 1712123816