GapMind for catabolism of small carbon sources

 

Protein GFF2331 in Pseudomonas simiae WCS417

Annotation: PS417_11885 rhizopine-binding protein

Length: 309 amino acids

Source: WCS417 in FitnessBrowser

Candidate for 11 steps in catabolism of small carbon sources

Pathway Step Score Similar to Id. Cov. Bits Other hit Other id. Other bits
myo-inositol catabolism PS417_11885 hi Inositol transport system sugar-binding protein (characterized) 100% 100% 596.7 D-threitol-binding protein 40% 201.4
xylitol catabolism PS417_12055 lo Putative xylitol transport system substrate-binding protein; SubName: Full=Sugar ABC transporter substrate-binding protein (characterized, see rationale) 34% 88% 168.3 Inositol transport system sugar-binding protein 100% 596.7
D-cellobiose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
D-galactose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
D-glucose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
lactose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
D-maltose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
sucrose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
trehalose catabolism mglB lo D-galactose-binding periplasmic protein DGAL aka MglB aka B2150, component of Galactose/glucose (methyl galactoside) porter (characterized) 31% 99% 141.4 Inositol transport system sugar-binding protein 100% 596.7
D-fructose catabolism frcB lo Xylose ABC transporter, periplasmic xylose-binding protein XylF (characterized, see rationale) 32% 89% 134.4 Inositol transport system sugar-binding protein 100% 596.7
sucrose catabolism frcB lo Xylose ABC transporter, periplasmic xylose-binding protein XylF (characterized, see rationale) 32% 89% 134.4 Inositol transport system sugar-binding protein 100% 596.7

Sequence Analysis Tools

View GFF2331 at FitnessBrowser

PaperBLAST (search for papers about homologs of this protein)

Search CDD (the Conserved Domains Database, which includes COG and superfam)

Search PFam (including for weak hits, up to E = 1)

Predict protein localization: PSORTb (Gram negative bacteria)

Predict transmembrane helices and signal peptides: Phobius

Check the SEED with FIGfam search

Fitness BLAST: loading...

Sequence

MKTPIRFTALALSMLLASGVASAADLKIGVSMSAFDDTFLTYLREDMDKQAKSYPKGDGV
QLQFEDARADVVKQLSQVENFISQKVDAIIVNPVDTASTANIIKAATAAKIPLVFVNRRP
DSQTLAPGVAAVTSDDVEAGKLQMQYIAEKLGGKGNIVILLGDLANNSTTNRTKGVKEVL
TKYPGIKIEQEQTGIWLRDRGMTLVNDWLTQGRDFQAVLSNNDEMAIGAAMALKSAGKKG
VLIAGVDGTPDGLNAITKGDMTVSAFQDAKGQADKSVETARKMAKNEPIEQNVVIPFQLI
TPDNVKDFK

This GapMind analysis is from Sep 17 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 the paper from 2019 on GapMind for amino acid biosynthesis, the paper from 2022 on GapMind for carbon sources, or view the source code.

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