GapMind for catabolism of small carbon sources

 

Aligments for a candidate for TRET1 in Escherichia coli BW25113

Align Facilitated trehalose transporter Tret1; AmTRET1 (characterized)
to candidate 16922 b2841 arabinose transporter (NCBI)

Query= SwissProt::A9ZSY2
         (502 letters)



>lcl|FitnessBrowser__Keio:16922 b2841 arabinose transporter (NCBI)
          Length = 472

 Score =  215 bits (547), Expect = 3e-60
 Identities = 135/451 (29%), Positives = 237/451 (52%), Gaps = 21/451 (4%)

Query: 41  MQLLAALAVSMASLMIGYSSSYTSPALVSMRDNTTATFEVTMDMAMWIGSIMPLSALIGG 100
           M +  ++A ++A L+ G      + AL  + D+    F +T  +  W+ S M L A IG 
Sbjct: 21  MNMFVSVAAAVAGLLFGLDIGVIAGALPFITDH----FVLTSRLQEWVVSSMMLGAAIGA 76

Query: 101 IIGGPCIEYIGRRNTILSTALPFLAGWLFIALATNVAMILVGRSICGFCVGVASLSLPVY 160
           +  G     +GR+ ++++ A+ F+ G +  A AT+V M++  R + G  VG+AS + P+Y
Sbjct: 77  LFNGWLSFRLGRKYSLMAGAILFVLGSIGSAFATSVEMLIAARVVLGIAVGIASYTAPLY 136

Query: 161 LGESIQPEVRGSLGLLPTVFGNSGILMCF---TAGMYLA-WRNLALLGACIPIIFLILMF 216
           L E     VRG +  +  +    GI++ F   TA  Y   WR +  + A   ++ +IL+ 
Sbjct: 137 LSEMASENVRGKMISMYQLMVTLGIVLAFLSDTAFSYSGNWRAMLGVLALPAVLLIILVV 196

Query: 217 LIPETPRWYISKGKIKEARKSLQWLRGKTADISEELDSIQKMHIESERIATEGALIELFR 276
            +P +PRW   KG+  EA + L+ LR  +    EEL+ I+    ES ++   G  +    
Sbjct: 197 FLPNSPRWLAEKGRHIEAEEVLRMLRDTSEKAREELNEIR----ESLKLKQGGWALFKIN 252

Query: 277 KNHIKPVFISLGLMFFQQFSGINAVIFYTVQIFKDSGSTVDEN--LSTIIVGLVNFISTF 334
           +N  + VF+ + L   QQF+G+N +++Y  +IFK +G T  E   ++T++VGL    +TF
Sbjct: 253 RNVRRAVFLGMLLQAMQQFTGMNIIMYYAPRIFKMAGFTTTEQQMIATLVVGLTFMFATF 312

Query: 335 VAAMIIDRLGRKMLLYISSILMCITLFTFGTFFYVKELMDVTA---FGWIPLMSLIVYVI 391
           +A   +D+ GRK  L I   +M +     G  + + +  + TA     W+ +   ++ + 
Sbjct: 313 IAVFTVDKAGRKPALKIGFSVMALGTLVLG--YCLMQFDNGTASSGLSWLSVGMTMMCIA 370

Query: 392 GFSFGFGPIPWLMMGEILPVKIRGTAASVATAFNWSCTFVVTKTYEDLVLHIGPYGTFWL 451
           G++    P+ W++  EI P+K R    + +T  NW    ++  T+  L+  IG  GTFWL
Sbjct: 371 GYAMSAAPVVWILCSEIQPLKCRDFGITCSTTTNWVSNMIIGATFLTLLDSIGAAGTFWL 430

Query: 452 FGTLVAVAFIFVII-CVPETRGRSLEEIERR 481
           + T + +AF+ +    +PET+  +LE IER+
Sbjct: 431 Y-TALNIAFVGITFWLIPETKNVTLEHIERK 460


Lambda     K      H
   0.327    0.141    0.425 

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: 608
Number of extensions: 31
Number of successful extensions: 6
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: 502
Length of database: 472
Length adjustment: 34
Effective length of query: 468
Effective length of database: 438
Effective search space:   204984
Effective search space used:   204984
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 (21.7 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 preprint 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