GapMind for Amino acid biosynthesis

 

Aligments for a candidate for CGL in Phaeobacter inhibens BS107

Align cystathionine gamma-lyase (EC 4.4.1.1) (characterized)
to candidate GFF2323 PGA1_c23540 O-succinylhomoserine sulfhydrylase MetZ

Query= BRENDA::Q5H4T8
         (397 letters)



>lcl|FitnessBrowser__Phaeo:GFF2323 PGA1_c23540 O-succinylhomoserine
           sulfhydrylase MetZ
          Length = 396

 Score =  265 bits (677), Expect = 2e-75
 Identities = 147/355 (41%), Positives = 220/355 (61%), Gaps = 7/355 (1%)

Query: 41  ATSTYAQSSPGEHQGFEYSRTHNPTRFAYERCVAALEGGTRAFAFASGMAATSTVM-ELL 99
           A + + ++ P E   F Y+R  NPT   +E  +AALEG   AFA ASGMAA +  +  +L
Sbjct: 42  AEARFIETGPDE---FIYARYGNPTVAMFEERIAALEGAEDAFATASGMAAVNGALTSIL 98

Query: 100 DAGSHVVAMDDLYGGTFRLFERVRRRTAGLDFSFVDLTDPAAFKAAIRADTKMVWIETPT 159
            AG HVV+   L+G    + E +  R  G++ +FVD TD  A++AA+R DTK V+ E+ +
Sbjct: 99  KAGDHVVSAKALFGSCLYILENILTRY-GVEVTFVDGTDLDAWRAALRPDTKAVFFESMS 157

Query: 160 NPMLKLVDIAAIAVIARKHGLLTVVDNTFASPMLQRPLSLGADLVVHSATKYLNGHSDMV 219
           NP L+++DIAA+A +A   G   VVDN F++P+    +  GAD+V++SATK+++G   ++
Sbjct: 158 NPTLEVIDIAAVAELAHAVGATVVVDNVFSTPVFSNAIEQGADVVIYSATKHIDGQGRVL 217

Query: 220 GGIAVVGDNAELAEQMAFLQNSIGGVQGPFDSFLALRGLKTLPLRMRAHCENALALAQWL 279
           GG+ ++G    +   +       GG   PF+++  L+GL+T+ LR+ A  E AL LAQ L
Sbjct: 218 GGV-ILGTRDFIRGTVEPYMKHTGGSLSPFNAWTLLKGLETISLRVNAQAETALELAQAL 276

Query: 280 ETHPAIEKVIYPGLASHPQHVLAKRQMSGFGG-IVSIVLKGGFDAAKRFCEKTELFTLAE 338
             HPA+ +++YPGL  H QH L +RQ+ G GG ++S+ LKGG DAA RF     +  ++ 
Sbjct: 277 SGHPALSRLMYPGLEDHAQHALVQRQLGGKGGTVLSLDLKGGKDAAFRFLNALTIPVISN 336

Query: 339 SLGGVESLVNHPAVMTHASIPVARREQLGISDALVRLSVGIEDLGDLRGDLERAL 393
           +LG  +S+  HPA  TH  +    + +LGI+  LVR SVG+ED GDL  DL +AL
Sbjct: 337 NLGDAKSIATHPATTTHQRLSEELKSELGITPGLVRFSVGLEDAGDLIADLTQAL 391


Lambda     K      H
   0.320    0.134    0.391 

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: 434
Number of extensions: 24
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: 397
Length of database: 396
Length adjustment: 31
Effective length of query: 366
Effective length of database: 365
Effective search space:   133590
Effective search space used:   133590
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: 50 (23.9 bits)

This GapMind analysis is from Aug 03 2021. The underlying query database was built on Aug 03 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, or see changes to Amino acid biosynthesis since the publication.

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