Alignments for a candidate for aldA in Escherichia coli BW25113

GapMind for catabolism of small carbon sources

Alignments for a candidate for aldA in Escherichia coli BW25113

Align NAD(P)⁺ L-lactaldehyde dehydrogenase (EC 1.2.1.22) (characterized)
to candidate 17649 b3588 aldehyde dehydrogenase B (lactaldehyde dehydrogenase) (VIMSS)

Query= metacyc::MONOMER-16244
         (495 letters)



>FitnessBrowser__Keio:17649
          Length = 512

 Score =  345 bits (884), Expect = 3e-99
 Identities = 204/484 (42%), Positives = 281/484 (58%), Gaps = 19/484 (3%)

Query: 24  FINNEFVQSKSKKTFGTVSPSTEEEITQVYEAFSEDIDDAVEAATAAFHSSWSTSDPQVR 83
           FI  E+V     + +  ++P T + + +V  +   DID A++AA       W+ +  Q R
Sbjct: 28  FIGGEWVAPADGEYYQNLTPVTGQLLCEVASSGKRDIDLALDAAHKV-KDKWAHTSVQDR 86

Query: 84  MKVLYKLADLIDEHADTLAHIEALDNGKSLM-CSKGDVALTAAYFRSCAGWTDKIKGSVI 142
             +L+K+AD ++++ + LA  E  DNGK +   S  DV L   +FR  A      +G + 
Sbjct: 87  AAILFKIADRMEQNLELLATAETWDNGKPIRETSAADVPLAIDHFRYFASCIRAQEGGIS 146

Query: 143 ETGDTHFNYTRREPIGVCGQIIPWNFPLLMASWKLGPVLCTGCTTVLKTAESTPLSALYL 202
           E       Y   EP+GV GQIIPWNFPLLMASWK+ P L  G   VLK A  TPLS L L
Sbjct: 147 EVDSETVAYHFHEPLGVVGQIIPWNFPLLMASWKMAPALAAGNCVVLKPARLTPLSVLLL 206

Query: 203 ASLIKEAGAPPGVVNVVSGFGPTAGAPISSHPKIKKVAFTGSTATGRHIMKAAAESNLKK 262
             ++ +   PPGVVNVV+G G   G  +++  +I KVAFTGST  G+ IM+ A + N+  
Sbjct: 207 MEIVGDL-LPPGVVNVVNGAGGVIGEYLATSKRIAKVAFTGSTEVGQQIMQYATQ-NIIP 264

Query: 263 VTLELGGKSPNIVF------DDADVKSTIQHLVTGIFYNTGEVCCAGSRIYVQEGIYDKI 316
           VTLELGGKSPNI F      +DA     ++      F N GEVC   SR  VQE IY++ 
Sbjct: 265 VTLELGGKSPNIFFADVMDEEDAFFDKALEGFALFAF-NQGEVCTCPSRALVQESIYERF 323

Query: 317 VSEFKNAAESLKIGDPFKEDTFMGAQTSQLQLDKILKYIDIGKKEGATVITGGERFG--- 373
           +       ES++ G+P    T MGAQ S  QL+ IL YIDIGKKEGA V+TGG R     
Sbjct: 324 MERAIRRVESIRSGNPLDSVTQMGAQVSHGQLETILNYIDIGKKEGADVLTGGRRKLLEG 383

Query: 374 --NKGYFIKPTI-FGDVKEDHQIVRDEIFGPVVTITKFKTVEEVIALANDSEYGLAAGVH 430
               GY+++PTI FG  + + ++ ++EIFGPV+ +T FKT+EE + LAND++YGL AGV 
Sbjct: 384 ELKDGYYLEPTILFG--QNNMRVFQEEIFGPVLAVTTFKTMEEALELANDTQYGLGAGVW 441

Query: 431 TTNLSTAISVSNKINSGTIWVNTYNDFHPMVPFGGYSQSGIGREMGEEALDNYTQVKAVR 490
           + N + A  +   I +G +W N Y+ +     FGGY QSGIGRE  +  L++Y Q K + 
Sbjct: 442 SRNGNLAYKMGRGIQAGRVWTNCYHAYPAHAAFGGYKQSGIGRETHKMMLEHYQQTKCLL 501

Query: 491 IGLS 494
           +  S
Sbjct: 502 VSYS 505


Lambda     K      H
   0.316    0.133    0.389 

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: 599
Number of extensions: 22
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: 495
Length of database: 512
Length adjustment: 34
Effective length of query: 461
Effective length of database: 478
Effective search space:   220358
Effective search space used:   220358
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 16 ( 7.3 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 41 (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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Protein sequences (fasta format)
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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, 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

GapMind for catabolism of small carbon sources