Enzymes
| UniProtKB help_outline | 3 proteins |
| Enzyme class help_outline |
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- Name help_outline 15,173-seco-F430-173-acid Identifier CHEBI:136888 Charge -5 Formula C42H47N6NiO14 InChIKeyhelp_outline HHAOAZMDQIXGKF-MYQROCLPSA-G SMILEShelp_outline [C@H]12[C@H]([C@@](CC(N)=O)(C)C3=[N+]1[Ni-2]45[N+]=6[C@H](C3)[C@H]([C@H](CCC([O-])=O)C6C=C7N5C(=CC8=[N+]4[C@]9(C2)[C@@]([C@@H]8CCC([O-])=O)(C)CC(N9)=O)[C@H]([C@@H]7CCC([O-])=O)CC([O-])=O)CC([O-])=O)CCC([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 2 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ATP Identifier CHEBI:30616 (Beilstein: 3581767) help_outline Charge -4 Formula C10H12N5O13P3 InChIKeyhelp_outline ZKHQWZAMYRWXGA-KQYNXXCUSA-J SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,280 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline ADP Identifier CHEBI:456216 (Beilstein: 3783669) help_outline Charge -3 Formula C10H12N5O10P2 InChIKeyhelp_outline XTWYTFMLZFPYCI-KQYNXXCUSA-K SMILEShelp_outline Nc1ncnc2n(cnc12)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])([O-])=O)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 841 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline coenzyme F430 Identifier CHEBI:60540 Charge -4 Formula C42H46N6NiO13 InChIKeyhelp_outline XLFIRMYGVLUNOY-SXMZNAGASA-H SMILEShelp_outline [C@H]12[C@H]([C@@](CC(N)=O)(C)C3=[N+]1[Ni-2]45[N+]=6[C@H](C3)[C@H]([C@@H]7CCC(C(C67)=C8N5C(=CC9=[N+]4[C@]%10(C2)[C@@]([C@@H]9CCC([O-])=O)(C)CC(N%10)=O)[C@H]([C@@H]8CCC([O-])=O)CC([O-])=O)=O)CC([O-])=O)CCC([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 1 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline phosphate Identifier CHEBI:43474 Charge -2 Formula HO4P InChIKeyhelp_outline NBIIXXVUZAFLBC-UHFFFAOYSA-L SMILEShelp_outline OP([O-])([O-])=O 2D coordinates Mol file for the small molecule Search links Involved in 992 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:52904 | RHEA:52905 | RHEA:52906 | RHEA:52907 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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Publications
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The biosynthetic pathway of coenzyme F430 in methanogenic and methanotrophic archaea.
Zheng K., Ngo P.D., Owens V.L., Yang X.P., Mansoorabadi S.O.
Methyl-coenzyme M reductase (MCR) is the key enzyme of methanogenesis and anaerobic methane oxidation. The activity of MCR is dependent on the unique nickel-containing tetrapyrrole known as coenzyme F430. We used comparative genomics to identify the coenzyme F430 biosynthesis (cfb) genes and chara ... >> More
Methyl-coenzyme M reductase (MCR) is the key enzyme of methanogenesis and anaerobic methane oxidation. The activity of MCR is dependent on the unique nickel-containing tetrapyrrole known as coenzyme F430. We used comparative genomics to identify the coenzyme F430 biosynthesis (cfb) genes and characterized the encoded enzymes from Methanosarcina acetivorans C2A. The pathway involves nickelochelation by a nickel-specific chelatase, followed by amidation to form Ni-sirohydrochlorin a,c-diamide. Next, a primitive homolog of nitrogenase mediates a six-electron reduction and γ-lactamization reaction before a Mur ligase homolog forms the six-membered carbocyclic ring in the final step of the pathway. These data show that coenzyme F430 can be synthesized from sirohydrochlorin using Cfb enzymes produced heterologously in a nonmethanogen host and identify several targets for inhibitors of biological methane formation. << Less
Science 354:339-342(2016) [PubMed] [EuropePMC]
This publication is cited by 3 other entries.
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Elucidation of the biosynthesis of the methane catalyst coenzyme F430.
Moore S.J., Sowa S.T., Schuchardt C., Deery E., Lawrence A.D., Ramos J.V., Billig S., Birkemeyer C., Chivers P.T., Howard M.J., Rigby S.E., Layer G., Warren M.J.
Methane biogenesis in methanogens is mediated by methyl-coenzyme M reductase, an enzyme that is also responsible for the utilization of methane through anaerobic methane oxidation. The enzyme uses an ancillary factor called coenzyme F<sub>430</sub>, a nickel-containing modified tetrapyrrole that p ... >> More
Methane biogenesis in methanogens is mediated by methyl-coenzyme M reductase, an enzyme that is also responsible for the utilization of methane through anaerobic methane oxidation. The enzyme uses an ancillary factor called coenzyme F<sub>430</sub>, a nickel-containing modified tetrapyrrole that promotes catalysis through a methyl radical/Ni(ii)-thiolate intermediate. However, it is unclear how coenzyme F<sub>430</sub> is synthesized from the common primogenitor uroporphyrinogen iii, incorporating 11 steric centres into the macrocycle, although the pathway must involve chelation, amidation, macrocyclic ring reduction, lactamization and carbocyclic ring formation. Here we identify the proteins that catalyse the biosynthesis of coenzyme F<sub>430</sub> from sirohydrochlorin, termed CfbA-CfbE, and demonstrate their activity. The research completes our understanding of how the repertoire of tetrapyrrole-based pigments are constructed, permitting the development of recombinant systems to use these metalloprosthetic groups more widely. << Less
Nature 543:78-82(2017) [PubMed] [EuropePMC]
This publication is cited by 1 other entry.