Alignments for a candidate for kdgD in Sinorhizobium meliloti 1021

GapMind for catabolism of small carbon sources

Alignments for a candidate for kdgD in Sinorhizobium meliloti 1021

Align 5-dehydro-4-deoxyglucarate dehydratase (EC 4.2.1.41) (characterized)
to candidate SMa1440 SMa1440 5-dehydro-4-deoxyglucarate dehydratase

Query= BRENDA::Q8UB77
         (303 letters)



>FitnessBrowser__Smeli:SMa1440
          Length = 301

 Score =  401 bits (1030), Expect = e-116
 Identities = 191/301 (63%), Positives = 236/301 (78%)

Query: 1   MNPEQIKTALGSGLLSFPVTHFDAEGRFAADSYREHVEWLAGYKAPVLFAAGGTGEFFSL 60
           M+PE+IK+ +GSGLLSFPVTHF ++ +   +SYR HVEWL+G++A  LFAAGGTGEFFSL
Sbjct: 1   MSPEEIKSRVGSGLLSFPVTHFTSDYKLNLESYRRHVEWLSGFEAAALFAAGGTGEFFSL 60

Query: 61  KPDEIPTIVAAAKEVAGETAIVSGCGYGTEIAVDIARSVEKVGADGILLLPHYLIDAPQE 120
            P+E+  +  AAK+V+GE  I++GCGYGT +AV+ A+ VE+ GADGILLLPHYL +APQE
Sbjct: 61  SPNEVGQVTRAAKDVSGEVPIIAGCGYGTSLAVETAKIVEEAGADGILLLPHYLTEAPQE 120

Query: 121 GLYAHIKKVCQSVGIGVMVYNRDNSVLQADTLARLCDECPNLVGFKDGTGDIGLVRQITA 180
           G+YAH+K VC S G+GV++YNR NSV  ADT+ARL + CPNL+GFKDGTG + LVR +TA
Sbjct: 121 GIYAHVKAVCDSTGLGVILYNRANSVANADTVARLAEACPNLIGFKDGTGKVDLVRHVTA 180

Query: 181 KMGDRLMYLGGMPTAELFAEAYLGAGFTTYSSAVFNFVPGLANEFYAALRAGERATCERI 240
           K+GDRL Y+GGMPT ELFAE + G G TTYSSAVFNFVP LA  FY A+RAG+RA  E I
Sbjct: 181 KLGDRLCYIGGMPTHELFAEGFNGVGVTTYSSAVFNFVPELAQRFYRAMRAGDRAVMEGI 240

Query: 241 LVDFFYPFMAIRNRAKGYAVSAVKAGVRLQGFNAGPVRAPLKDLTNEEIGMLEALIGTHK 300
           L  FF+PF A+R+R  GY VS +KAGV L GF  GPVR PL DLT EE  +L+ LI   +
Sbjct: 241 LHTFFFPFAALRDRKAGYPVSIIKAGVELAGFAPGPVRPPLVDLTGEEREILQGLIEASR 300

Query: 301 R 301
           R
Sbjct: 301 R 301


Lambda     K      H
   0.321    0.139    0.409 

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: 398
Number of extensions: 16
Number of successful extensions: 1
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: 303
Length of database: 301
Length adjustment: 27
Effective length of query: 276
Effective length of database: 274
Effective search space:    75624
Effective search space used:    75624
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: 48 (23.1 bits)

Align candidate SMa1440 SMa1440 (5-dehydro-4-deoxyglucarate dehydratase)
to HMM TIGR03249 (kdgD: 5-dehydro-4-deoxyglucarate dehydratase (EC 4.2.1.41))

# hmmsearch :: search profile(s) against a sequence database
# HMMER 3.3.1 (Jul 2020); http://hmmer.org/
# Copyright (C) 2020 Howard Hughes Medical Institute.
# Freely distributed under the BSD open source license.
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# query HMM file:                  ../tmp/path.carbon/TIGR03249.hmm
# target sequence database:        /tmp/gapView.16431.genome.faa
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Query:       TIGR03249  [M=299]
Accession:   TIGR03249
Description: KdgD: 5-dehydro-4-deoxyglucarate dehydratase
Scores for complete sequences (score includes all domains):
   --- full sequence ---   --- best 1 domain ---    -#dom-
    E-value  score  bias    E-value  score  bias    exp  N  Sequence                          Description
    ------- ------ -----    ------- ------ -----   ---- --  --------                          -----------
   3.8e-125  402.9   0.0   4.3e-125  402.7   0.0    1.0  1  lcl|FitnessBrowser__Smeli:SMa1440  SMa1440 5-dehydro-4-deoxyglucara


Domain annotation for each sequence (and alignments):
>> lcl|FitnessBrowser__Smeli:SMa1440  SMa1440 5-dehydro-4-deoxyglucarate dehydratase
   #    score  bias  c-Evalue  i-Evalue hmmfrom  hmm to    alifrom  ali to    envfrom  env to     acc
 ---   ------ ----- --------- --------- ------- -------    ------- -------    ------- -------    ----
   1 !  402.7   0.0  4.3e-125  4.3e-125       1     297 [.       3     298 ..       3     300 .. 0.99

  Alignments for each domain:
  == domain 1  score: 402.7 bits;  conditional E-value: 4.3e-125
                          TIGR03249   1 pqelkkkigsGllsfPvtpfdadgsldeaalrenieflldedlealfvagGtGeffsltkaeveqvvevaveaakg 76 
                                        p e+k ++gsGllsfPvt+f +d++l+ +++r+++e+l + +++alf+agGtGeffsl+++ev qv ++a + ++g
  lcl|FitnessBrowser__Smeli:SMa1440   3 PEEIKSRVGSGLLSFPVTHFTSDYKLNLESYRRHVEWLSGFEAAALFAAGGTGEFFSLSPNEVGQVTRAA-KDVSG 77 
                                        7899***************************************************************999.8999* PP

                          TIGR03249  77 kvPvlagvGgnlsvaieiaraaekkGadGllllPpylieaeqeGlaayvkaviesvdlgvivyqrdnavleadtle 152
                                        +vP++ag G+++s a+e+a++ e++GadG+lllP+yl+ea qeG++a+vkav++s+ lgvi+y+r+n+v +adt++
  lcl|FitnessBrowser__Smeli:SMa1440  78 EVPIIAGCGYGTSLAVETAKIVEEAGADGILLLPHYLTEAPQEGIYAHVKAVCDSTGLGVILYNRANSVANADTVA 153
                                        **************************************************************************** PP

                          TIGR03249 153 rlaerlpnlvGfkdGiGdiekvieitqklGdrllylgGlPtaevtalaylalGvtsyssaifnfiPkiarkfyeal 228
                                        rlae +pnl+GfkdG G+++ v ++t+klGdrl y+gG+Pt+e++a+ +  +Gvt+yssa+fnf+P++a++fy+a+
  lcl|FitnessBrowser__Smeli:SMa1440 154 RLAEACPNLIGFKDGTGKVDLVRHVTAKLGDRLCYIGGMPTHELFAEGFNGVGVTTYSSAVFNFVPELAQRFYRAM 229
                                        **************************************************************************** PP

                          TIGR03249 229 rkgdeatvkeilkevilPiveirnrkkGyavslikaGlevvGrdvgpvraPlvdlekeelaeleellkk 297
                                        r gd a+++ il+ +++P+ ++r rk+Gy vs+ikaG+e+ G   gpvr+Plvdl+ ee + l+ l+++
  lcl|FitnessBrowser__Smeli:SMa1440 230 RAGDRAVMEGILHTFFFPFAALRDRKAGYPVSIIKAGVELAGFAPGPVRPPLVDLTGEEREILQGLIEA 298
                                        ***************************************************************999975 PP



Internal pipeline statistics summary:
-------------------------------------
Query model(s):                            1  (299 nodes)
Target sequences:                          1  (301 residues searched)
Passed MSV filter:                         1  (1); expected 0.0 (0.02)
Passed bias filter:                        1  (1); expected 0.0 (0.02)
Passed Vit filter:                         1  (1); expected 0.0 (0.001)
Passed Fwd filter:                         1  (1); expected 0.0 (1e-05)
Initial search space (Z):                  1  [actual number of targets]
Domain search space  (domZ):               1  [number of targets reported over threshold]
# CPU time: 0.01u 0.00s 00:00:00.01 Elapsed: 00:00:00.00
# Mc/sec: 9.28
//
[ok]

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:

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