| 词条 | Methylated-thiol-coenzyme M methyltransferase |
| 释义 |
Methylated-thiol-coenzyme M methyltransferase ({{EC number|2.1.1.251}}, mtsA (gene)) is an enzyme with systematic name methylated-thiol:coenzyme M methyltransferase.[1][2][3] This enzyme catalyses the following chemical reaction: {{NumBlk|:| methanethiol + coenzyme M {{eqm}} methyl-CoM + hydrogen sulfide (overall reaction)|{{EquationRef|1}}}}{{NumBlk|::|3={{EquationRef|1a}}| methanethiol + [Co(I) methylated-thiol-specific corrinoid protein] {{eqm}} [methyl-Co(III) methylated-thiol-specific corrinoid protein] + hydrogen sulfide}}{{NumBlk|::|3={{EquationRef|1b}} |[methyl-Co(III) methylated-thiol-specific corrinoid protein] + coenzyme M {{eqm}} methyl-CoM + [Co(I) methylated-thiol-specific corrinoid protein]}}{{Infobox enzyme| Name = Methylated-thiol-coenzyme M methyltransferase | EC_number = 2.1.1.251 | CAS_number = | IUBMB_EC_number = 2/1/1/251 | GO_code = | image = | width = | caption = }} This enzyme involved in methanogenesis from methylated thiols, such as methanethiol, dimethyl sulfide, and 3-S-methylmercaptopropionate. References1. ^{{cite journal | vauthors = Paul L, Krzycki JA | title = Sequence and transcript analysis of a novel Methanosarcina barkeri methyltransferase II homolog and its associated corrinoid protein homologous to methionine synthase | journal = Journal of Bacteriology | volume = 178 | issue = 22 | pages = 6599–607 | date = November 1996 | pmid = 8932317 | pmc = 178547 | doi = 10.1128/jb.178.22.6599-6607.1996 }} 2. ^{{cite journal | vauthors = Tallant TC, Krzycki JA | title = Methylthiol:coenzyme M methyltransferase from Methanosarcina barkeri, an enzyme of methanogenesis from dimethylsulfide and methylmercaptopropionate | journal = Journal of Bacteriology | volume = 179 | issue = 22 | pages = 6902–11 | date = November 1997 | pmid = 9371433 | pmc = 179627 | doi = 10.1128/jb.179.22.6902-6911.1997 }} 3. ^{{cite journal | vauthors = Tallant TC, Paul L, Krzycki JA | title = The MtsA subunit of the methylthiol:coenzyme M methyltransferase of Methanosarcina barkeri catalyses both half-reactions of corrinoid-dependent dimethylsulfide: coenzyme M methyl transfer | journal = The Journal of Biological Chemistry | volume = 276 | issue = 6 | pages = 4485–93 | date = February 2001 | pmid = 11073950 | doi = 10.1074/jbc.m007514200 }} External links
1 : EC 2.1.1 |
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