Alignments for a candidate for dctP in Cupriavidus basilensis 4G11

GapMind for catabolism of small carbon sources

Alignments for a candidate for dctP in Cupriavidus basilensis 4G11

Align TRAP dicarboxylate transporter, DctP-2 subunit, component of The 2-ketomonocarboxylate transporter (presented in order of affinity - 2-oxovalerate [highest affinity, KD=0.1 μM], 2-oxoisovalerate, 2-oxobutyrate, 2-oxoisocaproate, 2-oxo-3-methylvalerate, pyruvate [lowest affinity, KD=3 μM]) (characterized)
to candidate RR42_RS20415 RR42_RS20415 ABC transporter substrate-binding protein

Query= TCDB::D5ALT6
         (365 letters)



>FitnessBrowser__Cup4G11:RR42_RS20415
          Length = 377

 Score =  423 bits (1087), Expect = e-123
 Identities = 210/371 (56%), Positives = 247/371 (66%), Gaps = 16/371 (4%)

Query: 1   MDRRSFLTKAAIGGA----------------AATTLATPALAQSMPKVTWRLTSSFPKSL 44
           M+RRSFL KA+   A                AA   + PA+  S P V WRL SSFPKSL
Sbjct: 1   MERRSFLLKASAVAATGALAACGKEEKAAAPAAAGASAPAVIGSNPAVEWRLASSFPKSL 60

Query: 45  DTIYGGAEVLSKMVSEASDGNFQIQVFAAAEIVPGLQAADATAAGTVEACHTVGYYYWGK 104
           DTIYGGAE+LS+ V E +DG F I+VFAA E+VPGLQ  D+    TV+  HT GYYY+GK
Sbjct: 61  DTIYGGAELLSQRVKELTDGKFNIKVFAAGELVPGLQVLDSVQNNTVQIGHTAGYYYFGK 120

Query: 105 DPAWALGAAVPFGLSARGMNAWQYHGGGIDLYNEFLATQGLIGFPGGNTGAQMGGWFRKE 164
           +P       VPFGL++R  NAW   G G+ L  EF     ++ F GGNT AQMGGWFRKE
Sbjct: 121 NPTLCFDTTVPFGLTSRQQNAWMMQGNGMKLMREFFKEYNVVNFLGGNTNAQMGGWFRKE 180

Query: 165 INTVADLSGLKMRVGGFAGKVMEKLGLVPQQVAGGDIYPALEKGTLDATEWVGPYDDEKL 224
           I TVADL GLK R+ GFAG V+ +LG+VPQQ+AGGDIYPALEKGT+DA EWVGPYDDEKL
Sbjct: 181 IKTVADLQGLKYRIAGFAGVVLSRLGVVPQQIAGGDIYPALEKGTIDAAEWVGPYDDEKL 240

Query: 225 GFYKVAPYYYYPGWWEGGPTVHFMFNKAAYEGLPKAYQALLRTACQAEDADMLQKYDYKN 284
           GFYKVAPYYYYPGWWEG   + F  +   YE LP  Y+  L TA      +M+ KYD  N
Sbjct: 241 GFYKVAPYYYYPGWWEGSAQLSFYSSATEYEKLPALYKRALETATIEVHTNMMAKYDTVN 300

Query: 285 PLALKSLVANGAQLRPFSQEILEACFNAAQEVYAEMTATNPAFKKIYDSMVAFRADHYLW 344
           P AL  L+ NG +LRPFS+EI+EACF A Q+ YAE TA NP+FKKIYD    FR +   W
Sbjct: 301 PQALARLLENGVKLRPFSKEIMEACFKATQDAYAEETAKNPSFKKIYDDWRVFRNNEAAW 360

Query: 345 TQVAEYNYDTF 355
             VAE  +  F
Sbjct: 361 FNVAEQAFSQF 371


Lambda     K      H
   0.319    0.134    0.417 

Gapped
Lambda     K      H
   0.267   0.0410    0.140 


Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 1
Number of Hits to DB: 454
Number of extensions: 16
Number of successful extensions: 2
Number of sequences better than 1.0e-02: 1
Number of HSP's gapped: 1
Number of HSP's successfully gapped: 1
Length of query: 365
Length of database: 377
Length adjustment: 30
Effective length of query: 335
Effective length of database: 347
Effective search space:   116245
Effective search space used:   116245
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 16 ( 7.4 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 41 (21.8 bits)
S2: 49 (23.5 bits)

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

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Candidates (tab-delimited)
Steps (tab-delimited)
Rules (tab-delimited)
Protein sequences (fasta format)
Organisms (tab-delimited)
SQLite3 databases

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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:

ublast finds a hit to a characterized protein at above 40% identity and 80% coverage, and bits >= other bits+10.
- (Hits to curated proteins without experimental data as to their function are never considered high confidence.)
HMMer finds a hit with 80% coverage of the model, and either other identity < 40 or other coverage < 0.75.

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:

ublast finds a hit at above 40% identity and 70% coverage (ignoring otherBits).
ublast finds a hit at above 30% identity and 80% coverage, and bits >= other bits.
HMMer finds a hit (regardless of coverage or other bits).

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:

our ignorance of proteins' functions,
omissions in the gene models,
frame-shift errors in the genome sequence, or
the organism lacks the pathway.

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
the source code
instructions for running GapMind on your computer

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

GapMind for catabolism of small carbon sources