Alignments for a candidate for nupC in Shewanella sp. ANA-3

GapMind for catabolism of small carbon sources

Alignments for a candidate for nupC in Shewanella sp. ANA-3

Align Concentrative nucleoside transporter, CNT, of 418 aas and 12 TMSs. A repeat-swapped model of VcCNT predicts that nucleoside transport occurs via a mechanism involving an elevator-like substrate binding domain movement across the membrane (characterized)
to candidate 7023819 Shewana3_1039 Na+ dependent nucleoside transporter (RefSeq)

Query= TCDB::Q9KPL5
         (418 letters)



>FitnessBrowser__ANA3:7023819
          Length = 419

 Score =  565 bits (1457), Expect = e-166
 Identities = 290/426 (68%), Positives = 349/426 (81%), Gaps = 17/426 (3%)

Query: 1   MSLFMSLIGMAVLLGIAVLLSSNRKAINLRTVGGAFAIQFSLGAFILYVPWGQELLRGFS 60
           M++ MSL+G+ VLL I  LLS+N+KAINLRTVGGA AIQ + G F+LYVP G+++L+  S
Sbjct: 1   MNILMSLVGVVVLLAIGFLLSNNKKAINLRTVGGALAIQAAFGGFVLYVPVGKDILKSVS 60

Query: 61  DAVSNVINYGNDGTSFLFGGLVSGKMFEVFGGGGFIFAFRVLPTLIFFSALISVLYYLGV 120
           DAVS+VI Y  +G  FLFG L + K+       GFIFA  VLP ++FFS+LI+VLYYLG+
Sbjct: 61  DAVSSVIGYAQNGIGFLFGDLANFKL-------GFIFAVNVLPVIVFFSSLIAVLYYLGI 113

Query: 121 MQWVIRILGGGLQKALGTSRAESMSAAANIFVGQTEAPLVVRPFVPKMTQSELFAVMCGG 180
           MQW+IRI+GGGLQKALGTSR ESMSA ANIFVGQTEAPLVVRPF+P MTQSELFA+M GG
Sbjct: 114 MQWIIRIIGGGLQKALGTSRTESMSATANIFVGQTEAPLVVRPFIPTMTQSELFAIMVGG 173

Query: 181 LASIAGGVLAGYASMGVKIEYLVAASFMAAPGGLLFAKLMMPETEKPQDNEDITLDGGDD 240
           LASIAG VLAGYA MGV IEYLVAASFMAAPGGLL AKLM PETE  +++ D  L    D
Sbjct: 174 LASIAGSVLAGYAQMGVPIEYLVAASFMAAPGGLLMAKLMHPETEVAKNDMD-ELPEDPD 232

Query: 241 KPANVIDAAAGGASAGLQLALNVGAMLIAFIGLIALINGMLGGIGGWFGMPELKLEMLLG 300
           KPANV+DAAA GAS+G+ LALNVGAML+AF+GLIA+ING++GG+GGWFG+  L LE++LG
Sbjct: 233 KPANVLDAAAAGASSGMHLALNVGAMLLAFVGLIAMINGIIGGVGGWFGVEGLTLELILG 292

Query: 301 WLFAPLAFLIGVPWNEATVAGEFIGLKTVANEFVAYSQFAPYLTEAAP---------VVL 351
           ++F PLAFLIGVPWNEA VAG FIG K V NEFVAY  FAPYL + A          + +
Sbjct: 293 YIFMPLAFLIGVPWNEALVAGSFIGQKIVVNEFVAYLNFAPYLKDIADGGMIVADTGLAM 352

Query: 352 SEKTKAIISFALCGFANLSSIAILLGGLGSLAPKRRGDIARMGVKAVIAGTLSNLMAATI 411
           +++TKAIISFALCGFANLSSIAILLGGLG++AP RR D+A++G++AVIAG+L+NLM+ATI
Sbjct: 353 TDRTKAIISFALCGFANLSSIAILLGGLGAMAPNRRHDLAKLGIRAVIAGSLANLMSATI 412

Query: 412 AGFFLS 417
           AG FL+
Sbjct: 413 AGLFLA 418


Lambda     K      H
   0.325    0.141    0.414 

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: 666
Number of extensions: 37
Number of successful extensions: 5
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: 418
Length of database: 419
Length adjustment: 32
Effective length of query: 386
Effective length of database: 387
Effective search space:   149382
Effective search space used:   149382
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: 50 (23.9 bits)

This GapMind analysis is from Sep 17 2021. The underlying query database was built on Sep 17 2021.

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Candidates (tab-delimited)
Steps (tab-delimited)
Rules (tab-delimited)
Protein sequences (fasta format)
Organisms (tab-delimited)
SQLite3 databases

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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