Alignments for a candidate for metC in Sphingomonas koreensis DSMZ 15582

GapMind for Amino acid biosynthesis

Alignments for a candidate for metC in Sphingomonas koreensis DSMZ 15582

Align cystathionine gamma-lyase (EC 4.4.1.1) (characterized)
to candidate Ga0059261_3194 Ga0059261_3194 Cystathionine beta-lyases/cystathionine gamma-synthases

Query= BRENDA::Q5H4T8
         (397 letters)



>FitnessBrowser__Korea:Ga0059261_3194
          Length = 402

 Score =  244 bits (624), Expect = 2e-69
 Identities = 151/402 (37%), Positives = 222/402 (55%), Gaps = 14/402 (3%)

Query: 1   MSNRTTHSHDGDRALSLATLAIHGGQSPDPSTGAVMPPIYATSTYAQSSPGE-------- 52
           M  RT       +    AT AI GG +     G     ++ TS YA    G+        
Sbjct: 1   MKRRTGQDRSITQNWKPATQAIRGGTARS-EWGETSEALFLTSGYAYDCAGDAAARFSGD 59

Query: 53  HQGFEYSRTHNPTRFAYERCVAALEGGTRAFAFASGMAA-TSTVMELLDAGSHVVAMDDL 111
            QG  YSR  NPT    E+ +A LEG     A ASGMAA T+ ++  L AG H++     
Sbjct: 60  QQGMTYSRLQNPTVEMLEQRIALLEGAEACRATASGMAAMTAALLCQLSAGDHLIGGRAA 119

Query: 112 YGGTFRLFERVRRRTAGLDFSFVDLTDPAAFKAAIRADTKMVWIETPTNPMLKLVDIAAI 171
           +G   R     +    G++ + VD  DP  F  AIR +TK+ + ETP NP + +VD+ A+
Sbjct: 120 FGSC-RWLTDTQLPKFGIETTVVDARDPQQFIDAIRPNTKVFFFETPANPTMDVVDLKAV 178

Query: 172 AVIARKHGLLTVVDNTFASPMLQRPLSLGADLVVHSATKYLNGHSDMVGGIAVVGDNAEL 231
             IAR+ G++TVVDN FA+P LQRP+  GAD+V +SATK ++G   ++ G AV G    +
Sbjct: 179 CAIARERGIVTVVDNAFATPALQRPMDFGADVVAYSATKMMDGQGRVLAG-AVCGTEEFI 237

Query: 232 AEQMAFLQNSIGGVQGPFDSFLALRGLKTLPLRMRAHCENALALAQWLETHPAIEKVIYP 291
              +     + G    PF++++ L+GL+TL LR++   ENAL +A++LE    + +V +P
Sbjct: 238 NNTLLPFHRNTGPTLSPFNAWVVLKGLETLDLRIQRQSENALKVARFLEGR--VPRVNFP 295

Query: 292 GLASHPQHVLAKRQMSGFGGIVSIVLKGGFDAAKRFCEKTELFTLAESLGGVESLVNHPA 351
           GL SHPQH LA  QM+  G I SI L GG   A    +   L  ++ ++G   SL+ HPA
Sbjct: 296 GLPSHPQHNLAMSQMAAAGPIFSIELDGGRTQAHGLLDALGLIDISNNIGDSRSLMTHPA 355

Query: 352 VMTHASIPVARREQLGISDALVRLSVGIEDLGDLRGDLERAL 393
             TH+ +   +R  +G+ + ++RL+VG+ED  DL  DL++AL
Sbjct: 356 STTHSGVAEDQRLLMGVGEGMLRLNVGLEDPEDLIADLDQAL 397


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: 399
Number of extensions: 11
Number of successful extensions: 4
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: 402
Length adjustment: 31
Effective length of query: 366
Effective length of database: 371
Effective search space:   135786
Effective search space used:   135786
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 Jul 25 2024. The underlying query database was built on Jul 25 2024.

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Steps (tab-delimited)
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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
the source code
instructions for running GapMind on your computer
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

GapMind for Amino acid biosynthesis