Enzymes
| UniProtKB help_outline | 528 proteins |
Reaction participants Show >> << Hide
- Name help_outline (8S)-8-amino-7-oxononanoate Identifier CHEBI:149468 Charge 0 Formula C9H17NO3 InChIKeyhelp_outline GUAHPAJOXVYFON-ZETCQYMHSA-N SMILEShelp_outline C(CCCCCC([C@H](C)[NH3+])=O)(=O)[O-] 2D coordinates Mol file for the small molecule Search links Involved in 7 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H+ Identifier CHEBI:15378 Charge 1 Formula H InChIKeyhelp_outline GPRLSGONYQIRFK-UHFFFAOYSA-N SMILEShelp_outline [H+] 2D coordinates Mol file for the small molecule Search links Involved in 9,431 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
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Namehelp_outline
L-lysyl-[protein]
Identifier
RHEA-COMP:9752
Reactive part
help_outline
- Name help_outline L-lysine residue Identifier CHEBI:29969 Charge 1 Formula C6H13N2O SMILEShelp_outline C([C@@H](C(*)=O)N*)CCC[NH3+] 2D coordinates Mol file for the small molecule Search links Involved in 136 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline NADPH Identifier CHEBI:57783 (Beilstein: 10411862) help_outline Charge -4 Formula C21H26N7O17P3 InChIKeyhelp_outline ACFIXJIJDZMPPO-NNYOXOHSSA-J SMILEShelp_outline NC(=O)C1=CN(C=CC1)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](OP([O-])([O-])=O)[C@@H]2O)n2cnc3c(N)ncnc23)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,279 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline H2O Identifier CHEBI:15377 (Beilstein: 3587155; CAS: 7732-18-5) help_outline Charge 0 Formula H2O InChIKeyhelp_outline XLYOFNOQVPJJNP-UHFFFAOYSA-N SMILEShelp_outline [H]O[H] 2D coordinates Mol file for the small molecule Search links Involved in 6,204 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
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Namehelp_outline
N6-[(2S,3R)-2-amino-8-carboxyoctan-3-yl]-L-lysyl-[protein]
Identifier
RHEA-COMP:16405
Reactive part
help_outline
- Name help_outline N6-[(2S,3R)-2-amino-8-carboxyoctan-3-yl]-L-lysine residue Identifier CHEBI:149472 Charge 1 Formula C15H30N3O3 SMILEShelp_outline C(CCCCC[C@H]([C@H](C)[NH3+])[NH2+]CCCC[C@@H](C(*)=O)N*)(=O)[O-] 2D coordinates Mol file for the small molecule Search links Involved in 4 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
- Name help_outline NADP+ Identifier CHEBI:58349 Charge -3 Formula C21H25N7O17P3 InChIKeyhelp_outline XJLXINKUBYWONI-NNYOXOHSSA-K SMILEShelp_outline NC(=O)c1ccc[n+](c1)[C@@H]1O[C@H](COP([O-])(=O)OP([O-])(=O)OC[C@H]2O[C@H]([C@H](OP([O-])([O-])=O)[C@@H]2O)n2cnc3c(N)ncnc23)[C@@H](O)[C@H]1O 2D coordinates Mol file for the small molecule Search links Involved in 1,285 reaction(s) Find molecules that contain or resemble this structure Find proteins in UniProtKB for this molecule
Cross-references
| RHEA:63664 | RHEA:63665 | RHEA:63666 | RHEA:63667 | |
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| Reaction direction help_outline | undefined | left-to-right | right-to-left | bidirectional |
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| MetaCyc help_outline |
Publications
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A suicide enzyme catalyzes multiple reactions for biotin biosynthesis in cyanobacteria.
Sakaki K., Ohishi K., Shimizu T., Kobayashi I., Mori N., Matsuda K., Tomita T., Watanabe H., Tanaka K., Kuzuyama T., Nishiyama M.
In biotin biosynthesis, the conversion of pimeloyl intermediates to biotin is catalyzed by a universal set of four enzymes: BioF, BioA, BioD and BioB. We found that the gene homologous to bioA, the product of which is involved in the conversion of 8-amino-7-oxononanoate (AON) to 7,8-diaminononanoa ... >> More
In biotin biosynthesis, the conversion of pimeloyl intermediates to biotin is catalyzed by a universal set of four enzymes: BioF, BioA, BioD and BioB. We found that the gene homologous to bioA, the product of which is involved in the conversion of 8-amino-7-oxononanoate (AON) to 7,8-diaminononanoate (DAN), is missing in the genome of the cyanobacterium Synechocystis sp. PCC 6803. We provide structural and biochemical evidence showing that a novel dehydrogenase, BioU, is involved in biotin biosynthesis and functionally replaces BioA. This enzyme catalyzes three reactions: formation of covalent linkage with AON to yield a BioU-DAN conjugate at the ε-amino group of Lys124 of BioU using NAD(P)H, carboxylation of the conjugate to form BioU-DAN-carbamic acid, and release of DAN-carbamic acid using NAD(P)<sup>+</sup>. In this biosynthetic pathway, BioU is a suicide enzyme that loses the Lys124 amino group after a single round of reaction. << Less
Nat. Chem. Biol. 16:415-422(2020) [PubMed] [EuropePMC]
This publication is cited by 6 other entries.
Comments
RHEA:63664 part of RHEA:63660