Enzyme

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     1. Oxidoreductases
        1.8 Acting on a sulfur group of donors
            1.8.99 With unknown physiological acceptors
ID:1.8.99.5
Description:Dissimilatory sulfite reductase.
Alternative Name: Siroheme sulfite reductase.
Cath: 1.10.10.370; 1.10.287.3170; 3.30.1420.10; 3.30.413.10; 3.30.70.20; 3.30.70.250; 3.30.70.2500; 3.30.70.3340; 3.40.50.80; 3.90.480.10;

3D structure

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References

External Links

UniProtKB Enzyme Link: UniProtKB 1.8.99.5
BRENDA Enzyme Link: BRENDA 1.8.99.5
KEGG Enzyme Link: KEGG1.8.99.5
BioCyc Enzyme Link: BioCyc 1.8.99.5
ExPASy Enzyme Link: ExPASy1.8.99.5
EC2PDB Enzyme Link: EC2PDB 1.8.99.5
ExplorEnz Enzyme Link: ExplorEnz 1.8.99.5
PRIAM enzyme-specific profiles Link: PRIAM 1.8.99.5
IntEnz Enzyme Link: IntEnz 1.8.99.5
MEDLINE Enzyme Link: MEDLINE 1.8.99.5
MSA:

1.8.99.5;

Phylogenetic Tree:

1.8.99.5;

Uniprot:
M-CSA:
RHEA:47020 [DsrC protein]-S-sulfanyl-L-cysteine/L-cysteine + 3 A + 3 H2O = [DsrC protein]-disulfide + 3 AH2 + 2 H(+) + sulfite
RULE(radius=1) [*:1]-[CH2;+0:2]-[SH;+0:3].[*:4]-[SH;+0:5].[OH2;+0:6].[OH2;+0:7].[OH2;+0:8]>>[*:1]-[CH2;+0:2]-[S;H0;+0:5]-[*:4].[O;H0;+0:8]=[S;H0;+0:3](-[OH;+0:6])-[OH;+0:7]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Sirohaem sulfite reductase and other proteins encoded by genes at the dsr locus of Chromatium vinosum are involved in the oxidation of intracellular sulfur.Pott AS, Dahl C1998 Jul9695921
Siroheme as an active catalyst in sulfite reduction.Seki Y, Sogawa N, Ishimoto M1981 Nov7338517
The "bacterial heterodisulfide" DsrC is a key protein in dissimilatory sulfur metabolism.Venceslau SS, Stockdreher Y, Dahl C, Pereira IA2014 Jul24662917
The crystal structure of Desulfovibrio vulgaris dissimilatory sulfite reductase bound to DsrC provides novel insights into the mechanism of sulfate respiration.Oliveira TF, Vonrhein C, Matias PM, Venceslau SS, Pereira IA, Archer M2008 Dec 518829451

RHEA:47008 [DsrC protein]-disulfide + 2 A + 3 H2O + hydrogen sulfide = [DsrC protein]-dithiol + 2 AH2 + H(+) + sulfite
RULE(radius=1) [*:1]-[S;H0;+0:2]-[S;H0;+0:3]-[*:4].[OH2;+0:5].[OH2;+0:6].[OH2;+0:7].[SH2;+0:8]>>[*:4]-[SH;+0:3].[*:1]-[SH;+0:2].[O;H0;+0:7]=[S;H0;+0:8](-[OH;+0:5])-[OH;+0:6]
Reaction
Core-to-Core No scaffolds atoms were exchanged as a result of the reaction

References

TitleAuthorsDatePubMed ID
Reaction cycle of the dissimilatory sulfite reductase from Archaeoglobus fulgidus.Parey K, Warkentin E, Kroneck PM, Ermler U2010 Oct 1920822098
Sirohaem sulfite reductase and other proteins encoded by genes at the dsr locus of Chromatium vinosum are involved in the oxidation of intracellular sulfur.Pott AS, Dahl C1998 Jul9695921
Desulfoviridin, a multimeric-dissimilatory sulfite reductase from Desulfovibrio vulgaris (Hildenborough). Purification, characterization, kinetics and EPR studies.Wolfe BM, Lui SM, Cowan JA1994 Jul 18033912
Dissimilatory sulphite reductase from Archaeoglobus fulgidus: physico-chemical properties of the enzyme and cloning, sequencing and analysis of the reductase genes.Dahl C, Kredich NM, Deutzmann R, Trüper HG1993 Aug7691984
Siroheme as an active catalyst in sulfite reduction.Seki Y, Sogawa N, Ishimoto M1981 Nov7338517
Isolation of assimilatroy- and dissimilatory-type sulfite reductases from Desulfovibrio vulgaris.Lee JP, LeGall J, Peck HD Jr1973 Aug4725615
The "bacterial heterodisulfide" DsrC is a key protein in dissimilatory sulfur metabolism.Venceslau SS, Stockdreher Y, Dahl C, Pereira IA2014 Jul24662917
The crystal structure of Desulfovibrio vulgaris dissimilatory sulfite reductase bound to DsrC provides novel insights into the mechanism of sulfate respiration.Oliveira TF, Vonrhein C, Matias PM, Venceslau SS, Pereira IA, Archer M2008 Dec 518829451