GapMind for catabolism of small carbon sources


Protein AZOBR_RS03835 in Azospirillum brasilense Sp245

Annotation: FitnessBrowser__azobra:AZOBR_RS03835

Length: 246 amino acids

Source: azobra in FitnessBrowser

Candidate for 2 steps in catabolism of small carbon sources

Pathway Step Score Similar to Id. Cov. Bits Other hit Other id. Other bits
glycerol catabolism glpF lo Hg2+-inhibitable aquaporin, AqpM (transports both water and glycerol as well as CO2) (Kozono et al., 2003; Araya-Secchi et al., 2011). Its 3-d structure has been determined to 1.7 Å. In AqpM, isoleucine replaces a key histidine residue found in the lumen of water channels, which becomes a glycine residue in aquaglyceroporins. As a result of this and other side-chain substituents in the walls of the channel, the channel is intermediate in size and exhibits differentially tuned electrostatics when compared with the other subfamilies (characterized) 36% 100% 155.6 Aquaporin Z; Bacterial nodulin-like intrinsic protein 70% 338.6
glycerol catabolism TIPa lo Tonoplast intrinsic protein-a (transports water, urea, glycerol and gases (CO2 and NH3) (characterized) 34% 85% 104.4 Aquaporin Z; Bacterial nodulin-like intrinsic protein 70% 338.6

Sequence Analysis Tools

View AZOBR_RS03835 at FitnessBrowser

Find papers: PaperBLAST

Find functional residues: SitesBLAST

Search for conserved domains

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Predict transmenbrane helices: Phobius

Predict protein localization: PSORTb

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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:

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