GapMind for catabolism of small carbon sources

 

Alignments for a candidate for thuG in Synechococcus elongatus PCC 7942

Align Maltose transport system permease protein malG aka TT_C1629, component of The trehalose/maltose/sucrose/palatinose porter (TTC1627-9) plus MalK1 (ABC protein, shared with 3.A.1.1.24) (Silva et al. 2005; Chevance et al., 2006). The receptor (TTC1627) binds disaccharide alpha-glycosides, namely trehalose (alpha-1,1), sucrose (alpha-1,2), maltose (alpha-1,4), palatinose (alpha-1,6) and glucose (characterized)
to candidate Synpcc7942_0948 Synpcc7942_0948 permease protein of sugar ABC transporter

Query= TCDB::Q72H66
         (280 letters)



>FitnessBrowser__SynE:Synpcc7942_0948
          Length = 275

 Score =  202 bits (513), Expect = 9e-57
 Identities = 108/260 (41%), Positives = 165/260 (63%), Gaps = 1/260 (0%)

Query: 22  VYSVFPFYWAVISSFKPSDALFSPDPSFLPVPFTLEHYENVFLQAN-FGRNLLNSLIVAG 80
           ++S+ P  W +++S K +  + +    + P  +T+EHY+ ++ Q   FGR LLNS +V+ 
Sbjct: 16  LFSLAPILWQLLTSIKVNADIAAIPTIYWPRQWTVEHYQALWQQTPAFGRYLLNSAVVSA 75

Query: 81  GATLLSLVLGVLAAYALGRLPFPPKNAVMYIVLSMTMFPQIAVLGGLFLLLRQTGLFNTH 140
            ATL +L++G   AYA+ R        ++  +L +T+FP + +  GL  ++R     N +
Sbjct: 76  IATLAALLIGTPCAYAIARRRDRSSQVLVGSLLLVTLFPYVLLFQGLLEVVRWLQWGNNY 135

Query: 141 LGLILTYLLFTLPFTVWVLVGYFRGLPRELEEAAYVDGATPLQTLLKVMLPLTGPGLVTT 200
             L++ Y    LP  + +L  +F  LP ELEEAA +DG +  Q L  +++PLT P LVT 
Sbjct: 136 AALVVPYTALNLPLVILLLRSFFEQLPPELEEAAQIDGLSLGQRLWLILVPLTAPALVTA 195

Query: 201 GLLAFIAAWNEYLFALTFTVGDSVKTVPPAIASFGGATPFEIPWGSIMAASVVVTVPLVV 260
           G+LAFI +WNEY+ AL+F    ++KTVP A+A  GG + F++P+G I AA+VV T+PL+ 
Sbjct: 196 GILAFIFSWNEYVLALSFISQQALKTVPIAVAEIGGISIFDVPYGDIAAATVVATLPLIG 255

Query: 261 LVLVFQQRIVAGLTAGAVKG 280
           LVLV Q+RI+ GLTAGAVKG
Sbjct: 256 LVLVAQRRILEGLTAGAVKG 275


Lambda     K      H
   0.329    0.145    0.439 

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: 159
Number of extensions: 4
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: 280
Length of database: 275
Length adjustment: 25
Effective length of query: 255
Effective length of database: 250
Effective search space:    63750
Effective search space used:    63750
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 15 ( 7.1 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 40 (21.8 bits)
S2: 47 (22.7 bits)

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