GapMind for catabolism of small carbon sources

 

Potential Gaps in catabolism of small carbon sources in Cronobacter muytjensii ATCC 51329

Found 66 low-confidence and 11 medium-confidence steps on the best paths for 62 pathways.

Pathway Step Best candidate 2nd candidate
4-hydroxybenzoate mhpD: 2-hydroxypentadienoate hydratase
4-hydroxybenzoate mhpE: 4-hydroxy-2-oxovalerate aldolase AFK63_RS15040
4-hydroxybenzoate pcaK: 4-hydroxybenzoate transporter pcaK
4-hydroxybenzoate pobA: 4-hydroxybenzoate 3-monooxygenase
4-hydroxybenzoate praA: protocatechuate 2,3-dioxygenase
4-hydroxybenzoate xylF: 2-hydroxymuconate semialdehyde hydrolase
citrulline AO353_03040: ABC transporter for L-Citrulline, ATPase component AFK63_RS04500 AFK63_RS02925
citrulline AO353_03045: ABC transporter for L-Citrulline, permease component 2 AFK63_RS04495 AFK63_RS11815
citrulline AO353_03050: ABC transporter for L-Citrulline, permease component 1 AFK63_RS04490 AFK63_RS11810
citrulline AO353_03055: ABC transporter for L-Citrulline, periplasmic substrate-binding component AFK63_RS04480 AFK63_RS04485
D-serine dsdA: D-serine ammonia-lyase AFK63_RS05985 AFK63_RS17405
deoxyribonate aacS: acetoacetyl-CoA synthetase AFK63_RS06940
deoxyribonate deoxyribonate-dehyd: 2-deoxy-D-ribonate 3-dehydrogenase AFK63_RS04220 AFK63_RS09340
deoxyribonate deoxyribonate-transport: 2-deoxy-D-ribonate transporter AFK63_RS18240
deoxyribonate ketodeoxyribonate-cleavage: 2-deoxy-3-keto-D-ribonate cleavage enzyme
deoxyribose deoP: deoxyribose transporter
fucose fucA: L-fuculose-phosphate aldolase FucA
fucose fucI: L-fucose isomerase FucI
fucose fucK: L-fuculose kinase FucK AFK63_RS17690
fucose fucP: L-fucose:H+ symporter FucP
fucose fucU: L-fucose mutarotase FucU
glucose-6-P uhpT: glucose-6-phosphate:phosphate antiporter AFK63_RS04750
histidine hutG: N-formiminoglutamate formiminohydrolase
histidine hutH: histidine ammonia-lyase
histidine hutI: imidazole-5-propionate hydrolase
histidine hutU: urocanase
isoleucine acdH: (2S)-2-methylbutanoyl-CoA dehydrogenase AFK63_RS01245
isoleucine ivdG: 3-hydroxy-2-methylbutyryl-CoA dehydrogenase AFK63_RS10900 AFK63_RS04260
isoleucine ofo: branched-chain alpha-ketoacid:ferredoxin oxidoreductase, fused
isoleucine prpC: 2-methylcitrate synthase AFK63_RS12545
isoleucine prpD: 2-methylcitrate dehydratase
leucine aacS: acetoacetyl-CoA synthetase AFK63_RS06940
leucine liuB: 3-methylcrotonyl-CoA carboxylase, alpha (biotin-containing) subunit AFK63_RS08570 AFK63_RS19315
leucine liuC: 3-methylglutaconyl-CoA hydratase AFK63_RS17055 AFK63_RS04365
leucine liuD: 3-methylcrotonyl-CoA carboxylase, beta subunit
leucine liuE: hydroxymethylglutaryl-CoA lyase
leucine ofo: branched-chain alpha-ketoacid:ferredoxin oxidoreductase, fused
lysine davD: glutarate semialdehyde dehydrogenase AFK63_RS16640 AFK63_RS08255
lysine ech: (S)-3-hydroxybutanoyl-CoA hydro-lyase AFK63_RS17055 AFK63_RS04695
lysine gcdG: succinyl-CoA:glutarate CoA-transferase
lysine gcdH: glutaryl-CoA dehydrogenase
phenylacetate paaA: phenylacetyl-CoA 1,2-epoxidase, subunit A
phenylacetate paaB: phenylacetyl-CoA 1,2-epoxidase, subunit B
phenylacetate paaC: phenylacetyl-CoA 1,2-epoxidase, subunit C
phenylacetate paaE: phenylacetyl-CoA 1,2-epoxidase, subunit E
phenylacetate paaF: 2,3-dehydroadipyl-CoA hydratase AFK63_RS04695 AFK63_RS17055
phenylacetate paaG: 1,2-epoxyphenylacetyl-CoA isomerase / 2-(oxepinyl)acetyl-CoA isomerase / didehydroadipyl-CoA isomerase AFK63_RS04365
phenylacetate paaJ1: 3-oxo-5,6-dehydrosuberyl-CoA thiolase AFK63_RS02405 AFK63_RS17060
phenylacetate paaJ2: 3-oxoadipyl-CoA thiolase AFK63_RS02405 AFK63_RS17060
phenylacetate paaK: phenylacetate-CoA ligase AFK63_RS06940
phenylacetate paaZ1: oxepin-CoA hydrolase
phenylacetate paaZ2: 3-oxo-5,6-didehydrosuberyl-CoA semialdehyde dehydrogenase
phenylacetate ppa: phenylacetate permease ppa AFK63_RS00925
phenylalanine aacS: acetoacetyl-CoA synthetase AFK63_RS06940
phenylalanine fahA: fumarylacetoacetate hydrolase
phenylalanine hmgA: homogentisate dioxygenase
phenylalanine HPD: 4-hydroxyphenylpyruvate dioxygenase
phenylalanine maiA: maleylacetoacetate isomerase AFK63_RS17840
phenylalanine PAH: phenylalanine 4-monooxygenase
phenylalanine PCBD: pterin-4-alpha-carbinoalamine dehydratase
propionate prpC: 2-methylcitrate synthase AFK63_RS12545
propionate prpD: 2-methylcitrate dehydratase
sorbitol srlD: sorbitol 6-phosphate 2-dehydrogenase AFK63_RS08915 AFK63_RS04260
tyrosine aacS: acetoacetyl-CoA synthetase AFK63_RS06940
tyrosine fahA: fumarylacetoacetate hydrolase
tyrosine hmgA: homogentisate dioxygenase
tyrosine HPD: 4-hydroxyphenylpyruvate dioxygenase
tyrosine maiA: maleylacetoacetate isomerase AFK63_RS17840
valine acdH: isobutyryl-CoA dehydrogenase
valine bch: 3-hydroxyisobutyryl-CoA hydrolase AFK63_RS04695
valine ech: (S)-3-hydroxybutanoyl-CoA hydro-lyase AFK63_RS17055 AFK63_RS04695
valine mmsB: 3-hydroxyisobutyrate dehydrogenase AFK63_RS18725 AFK63_RS09080
valine ofo: branched-chain alpha-ketoacid:ferredoxin oxidoreductase, fused
valine prpC: 2-methylcitrate synthase AFK63_RS12545
valine prpD: 2-methylcitrate dehydratase
xylitol PLT5: xylitol:H+ symporter PLT5 AFK63_RS14085 AFK63_RS13820
xylitol xdhA: xylitol dehydrogenase AFK63_RS16200 AFK63_RS04220

Confidence: high confidence medium confidence low confidence

This GapMind analysis is from Sep 24 2021. The underlying query database was built on Sep 17 2021.

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About GapMind

Each pathway is defined by a set of rules based on individual steps or genes. Candidates for each step are identified by using ublast (a fast alternative to protein BLAST) against a database of manually-curated proteins (most of which are experimentally characterized) or by using HMMer with enzyme models (usually from TIGRFam). Ublast hits may be split across two different proteins.

A candidate for a step is "high confidence" if either:

where "other" refers to the best ublast hit to a sequence that is not annotated as performing this step (and is not "ignored").

Otherwise, a candidate is "medium confidence" if either:

Other blast hits with at least 50% coverage are "low confidence."

Steps with no high- or medium-confidence candidates may be considered "gaps." For the typical bacterium that can make all 20 amino acids, there are 1-2 gaps in amino acid biosynthesis pathways. For diverse bacteria and archaea that can utilize a carbon source, there is a complete high-confidence catabolic pathway (including a transporter) just 38% of the time, and there is a complete medium-confidence pathway 63% of the time. Gaps may be due to:

GapMind relies on the predicted proteins in the genome and does not search the six-frame translation. In most cases, you can search the six-frame translation by clicking on links to Curated BLAST for each step definition (in the per-step page).

For more information, see:

If you notice any errors or omissions in the step descriptions, or any questionable results, please let us know

by Morgan Price, Arkin group, Lawrence Berkeley National Laboratory