NADH-dependent flavin oxidoreductase may function as an NADH:flavin oxidoreductase/NADH oxidase similar to Escherichia coli YqiG, one of four pseudogenes involved in hydrogen metabolism
Old yellow enzyme (OYE)-related FMN binding domain, group 4. Each monomer of OYE contains FMN ...
8-364
0e+00
Old yellow enzyme (OYE)-related FMN binding domain, group 4. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Other members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase.
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Pssm-ID: 240086 [Multi-domain] Cd Length: 353 Bit Score: 576.86 E-value: 0e+00
Old yellow enzyme (OYE)-related FMN binding domain, group 4. Each monomer of OYE contains FMN ...
8-364
0e+00
Old yellow enzyme (OYE)-related FMN binding domain, group 4. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Other members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase.
Pssm-ID: 240086 [Multi-domain] Cd Length: 353 Bit Score: 576.86 E-value: 0e+00
Old yellow enzyme (OYE)-related FMN binding domain, group 4. Each monomer of OYE contains FMN ...
8-364
0e+00
Old yellow enzyme (OYE)-related FMN binding domain, group 4. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Other members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase.
Pssm-ID: 240086 [Multi-domain] Cd Length: 353 Bit Score: 576.86 E-value: 0e+00
Old yellow enzyme (OYE)-like FMN binding domain. OYE was the first flavin-dependent enzyme ...
9-340
1.84e-109
Old yellow enzyme (OYE)-like FMN binding domain. OYE was the first flavin-dependent enzyme identified, however its true physiological role remains elusive to this day. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase.
Pssm-ID: 239201 [Multi-domain] Cd Length: 327 Bit Score: 323.75 E-value: 1.84e-109
Old yellow enzyme (OYE) YqjM-like FMN binding domain. YqjM is involved in the oxidative stress ...
8-334
4.88e-73
Old yellow enzyme (OYE) YqjM-like FMN binding domain. YqjM is involved in the oxidative stress response of Bacillus subtilis. Like the other OYE members, each monomer of YqjM contains FMN as a non-covalently bound cofactor and uses NADPH as a reducing agent. The YqjM enzyme exists as a homotetramer that is assembled as a dimer of catalytically dependent dimers, while other OYE members exist only as monomers or dimers. Moreover, the protein displays a shared active site architecture where an arginine finger at the COOH terminus of one monomer extends into the active site of the adjacent monomer and is directly involved in substrate recognition. Another remarkable difference in the binding of the ligand in YqjM is represented by the contribution of the NH2-terminal tyrosine instead of a COOH-terminal tyrosine in OYE and its homologs.
Pssm-ID: 239242 [Multi-domain] Cd Length: 336 Bit Score: 230.84 E-value: 4.88e-73
Old yellow enzyme (OYE)-related FMN binding domain, group 3. Each monomer of OYE contains FMN ...
8-345
7.50e-69
Old yellow enzyme (OYE)-related FMN binding domain, group 3. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Other members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase. One member of this subgroup, the Sinorhizobium meliloti stachydrine utilization protein stcD, has been idenified as a putative N-methylproline demethylase.
Pssm-ID: 240085 [Multi-domain] Cd Length: 343 Bit Score: 220.18 E-value: 7.50e-69
Old yellow enzyme (OYE)-like FMN binding domain. OYE was the first flavin-dependent enzyme ...
8-334
1.28e-65
Old yellow enzyme (OYE)-like FMN binding domain. OYE was the first flavin-dependent enzyme identified, however its true physiological role remains elusive to this day. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Members of OYE family include 12-oxophytodienoate reductase, pentaerythritol tetranitrate reductase, morphinone reductase, and related enzymes.
Pssm-ID: 239243 [Multi-domain] Cd Length: 338 Bit Score: 211.56 E-value: 1.28e-65
Old yellow enzyme (OYE)-related FMN binding domain, group 5. Each monomer of OYE contains FMN ...
8-345
1.71e-53
Old yellow enzyme (OYE)-related FMN binding domain, group 5. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Other members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase.
Pssm-ID: 240095 [Multi-domain] Cd Length: 361 Bit Score: 180.98 E-value: 1.71e-53
Old yellow enzyme (OYE)-related FMN binding domain, group 2. Each monomer of OYE contains FMN ...
8-331
2.03e-53
Old yellow enzyme (OYE)-related FMN binding domain, group 2. Each monomer of OYE contains FMN as a non-covalently bound cofactor, uses NADPH as a reducing agent with oxygens, quinones, and alpha,beta-unsaturated aldehydes and ketones, and can act as electron acceptors in the catalytic reaction. Other members of OYE family include trimethylamine dehydrogenase, 2,4-dienoyl-CoA reductase, enoate reductase, pentaerythriol tetranitrate reductase, xenobiotic reductase, and morphinone reductase.
Pssm-ID: 240084 [Multi-domain] Cd Length: 338 Bit Score: 180.09 E-value: 2.03e-53
2,4-dienoyl-CoA reductase (DCR) FMN-binding domain. DCR in E. coli is an iron-sulfur ...
8-347
3.45e-49
2,4-dienoyl-CoA reductase (DCR) FMN-binding domain. DCR in E. coli is an iron-sulfur flavoenzyme which contains FMN, FAD, and a 4Fe-4S cluster. It is also a monomer, unlike that of its eukaryotic counterparts which form homotetramers and lack the flavin and iron-sulfur cofactors. Metabolism of unsaturated fatty acids requires auxiliary enzymes in addition to those used in b-oxidation. After a given number of cycles through the b-oxidation pathway, those unsaturated fatty acyl-CoAs with double bonds at even-numbered carbon positions contain 2-trans, 4-cis double bonds that can not be modified by enoyl-CoA hydratase. DCR utilizes NADPH to remove the C4-C5 double bond. DCR can catalyze the reduction of both natural fatty acids with cis double bonds, as well as substrates containing trans double bonds. The reaction is initiated by hybrid transfer from NADPH to FAD, which in turn transfers electrons, one at a time, to FMN via the 4Fe-4S cluster. The fully reduced FMN provides a hydrid ion to the C5 atom of substrate, and Tyr and His are proposed to form a catalytic dyad that protonates the C4 atom of the substrate and completes the reaction.
Pssm-ID: 239240 [Multi-domain] Cd Length: 353 Bit Score: 169.39 E-value: 3.45e-49
Enoate reductase (ER)-like FMN-binding domain. Enoate reductase catalyzes the NADH-dependent reduction of carbon-carbon double bonds of several molecules, including nonactivated 2-enoates, alpha,beta-unsaturated aldehydes, cyclic ketones, and methylketones. ERs are similar to 2,4-dienoyl-CoA reductase from E. coli and to the old yellow enzyme from Saccharomyces cerevisiae.
Pssm-ID: 239241 [Multi-domain] Cd Length: 382 Bit Score: 153.43 E-value: 6.63e-43
Trimethylamine dehydrogenase (TMADH) and histamine dehydrogenase (HD) FMN-binding domain. ...
79-247
5.13e-22
Trimethylamine dehydrogenase (TMADH) and histamine dehydrogenase (HD) FMN-binding domain. TMADH is an iron-sulfur flavoprotein that catalyzes the oxidative demethylation of trimethylamine to form dimethylamine and formaldehyde. The protein forms a symetrical dimer with each subunit containing one 4Fe-4S cluster and one FMN cofactor. It contains a unique flavin, in the form of a 6-S-cysteinyl FMN which is bent by ~25 degrees along the N5-N10 axis of the flavin isoalloxazine ring. This modification of the conformation of the flavin is thought to facilitate catalysis.The closely related histamine dehydrogenase catalyzes oxidative deamination of histamine.
Pssm-ID: 239239 [Multi-domain] Cd Length: 370 Bit Score: 95.88 E-value: 5.13e-22
Class I aldolases; Class I aldolases. The class I aldolases use an active-site lysine which ...
74-317
1.20e-04
Class I aldolases; Class I aldolases. The class I aldolases use an active-site lysine which stabilizes a reaction intermediates via Schiff base formation, and have TIM beta/alpha barrel fold. The members of this family include 2-keto-3-deoxy-6-phosphogluconate (KDPG) and 2-keto-4-hydroxyglutarate (KHG) aldolases, transaldolase, dihydrodipicolinate synthase sub-family, Type I 3-dehydroquinate dehydratase, DeoC and DhnA proteins, and metal-independent fructose-1,6-bisphosphate aldolase. Although structurally similar, the class II aldolases use a different mechanism and are believed to have an independent evolutionary origin.
Pssm-ID: 188634 [Multi-domain] Cd Length: 201 Bit Score: 42.70 E-value: 1.20e-04
TIM barrel proteins share a structurally conserved phosphate binding motif and in general ...
152-317
7.66e-04
TIM barrel proteins share a structurally conserved phosphate binding motif and in general share an eight beta/alpha closed barrel structure. Specific for this family is the conserved phosphate binding site at the edges of strands 7 and 8. The phosphate comes either from the substrate, as in the case of inosine monophosphate dehydrogenase (IMPDH), or from ribulose-5-phosphate 3-epimerase (RPE) or from cofactors, like FMN.
Pssm-ID: 240073 [Multi-domain] Cd Length: 200 Bit Score: 40.26 E-value: 7.66e-04
N-acetylmannosamine-6-phosphate epimerase (NanE) converts N-acetylmannosamine-6-phosphate to ...
259-335
7.64e-03
N-acetylmannosamine-6-phosphate epimerase (NanE) converts N-acetylmannosamine-6-phosphate to N-acetylglucosamine-6-phosphate. This reaction is part of the pathway that allows the usage of sialic acid as a carbohydrate source. Sialic acids are a family of related sugars that are found as a component of glycoproteins, gangliosides, and other sialoglycoconjugates.
Pssm-ID: 240080 [Multi-domain] Cd Length: 219 Bit Score: 37.55 E-value: 7.64e-03
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
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