GapMind for catabolism of small carbon sources

 

Aligments for a candidate for rocE in Escherichia coli BW25113

Align Amino-acid permease GAP1 (characterized)
to candidate 14712 b0576 phenylalanine transporter (NCBI)

Query= SwissProt::Q5AG77
         (582 letters)



>lcl|FitnessBrowser__Keio:14712 b0576 phenylalanine transporter
           (NCBI)
          Length = 458

 Score =  260 bits (664), Expect = 1e-73
 Identities = 149/410 (36%), Positives = 233/410 (56%), Gaps = 13/410 (3%)

Query: 71  LQRKLKTRHLQMIAIGSSIGTGLFVGTGGALSTGGPAAIVLAWAISAISVFMTMQGLGEL 130
           L R L  RH+Q+IA+G +IGTGLF+G G A+   GPA ++L + ++ I  F+ M+ LGE+
Sbjct: 19  LHRGLHNRHIQLIALGGAIGTGLFLGIGPAIQMAGPA-VLLGYGVAGIIAFLIMRQLGEM 77

Query: 131 AVAFPVSGGFNLYASKFLEPGIGFAVGWNYFLQFFVLLPLELVAGAITIKYWNASINSDV 190
            V  PVSG F  +A K+  P  GF  GWNY++ F ++   EL A  I ++YW   + + +
Sbjct: 78  VVEEPVSGSFAHFAYKYWGPFAGFLSGWNYWVMFVLVGMAELTAAGIYMQYWFPDVPTWI 137

Query: 191 FVIIFWFVVLVITMLGVRWYGEAELVFCTIKVIAVIGFIILGIVLICGGGPNHEFIGGKY 250
           +   F+ ++  + ++ VR YGE E  F  IKV+A+IG I  G+ L+  G    +      
Sbjct: 138 WAAAFFIIINAVNLVNVRLYGETEFWFALIKVLAIIGMIGFGLWLLFSGHGGEKASIDNL 197

Query: 251 WREPGPFANSFKGFASSLITAAFSFGGTEMIALTASESSNVRHALPKAIKQVFWRIVIFY 310
           WR  G FA  + G   SL    FSFGG E+I +TA+E+ +   ++PKA+ QV +RI++FY
Sbjct: 198 WRYGGFFATGWNGLILSLAVIMFSFGGLELIGITAAEARDPEKSIPKAVNQVVYRILLFY 257

Query: 311 LGSIIMIATLVPYNDKRLLGSSSVDVTASPFTIAIVNGGIKGLPSVINAVILISVLSVGN 370
           +GS++++  L P+ +        V   +SPF +   N     + S +N VIL++ LSV N
Sbjct: 258 IGSLVVLLALYPWVE--------VKSNSSPFVMIFHNLDSNVVASALNFVILVASLSVYN 309

Query: 371 ASVYATSRTLNSLAEQGMAPKWTGYIDRAGRPLFAILITNVFGLFALIAADNEKQVVAFN 430
           + VY+ SR L  L+ QG APK+   + R G P+ +++++       ++      Q  AF 
Sbjct: 310 SGVYSNSRMLFGLSVQGNAPKFLTRVSRRGVPINSLMLSGAITSLVVLINYLLPQ-KAFG 368

Query: 431 WLLALSGLSSIFTWMSINLSHIRFRRAMKVQNRSLTELPFVAQSGVWGSY 480
            L+AL   + +  W+ I L+H+RFR AM+ Q R   E  F A    +G+Y
Sbjct: 369 LLMALVVATLLLNWIMICLAHLRFRAAMRRQGR---ETQFKALLYPFGNY 415


Lambda     K      H
   0.325    0.140    0.430 

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: 721
Number of extensions: 44
Number of successful extensions: 4
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: 582
Length of database: 458
Length adjustment: 35
Effective length of query: 547
Effective length of database: 423
Effective search space:   231381
Effective search space used:   231381
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 15 ( 7.0 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 40 (21.6 bits)
S2: 52 (24.6 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 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