Alignments for a candidate for cimA in Chlorobium phaeobacteroides BS1

GapMind for Amino acid biosynthesis

Alignments for a candidate for cimA in Chlorobium phaeobacteroides BS1

Align Putative (R)-citramalate synthase CimA; EC 2.3.3.21 (uncharacterized)
to candidate WP_012475116.1 CPHAMN1_RS08580 2-isopropylmalate synthase

Query= curated2:O26819
         (496 letters)



>NCBI__GCF_000020545.1:WP_012475116.1
          Length = 522

 Score =  329 bits (843), Expect = 2e-94
 Identities = 205/508 (40%), Positives = 291/508 (57%), Gaps = 32/508 (6%)

Query: 2   QVRVLDTTLRDGEQTPGVSLTPEEKLRIALKIDALGADIIEAGSAITSEGEREGIRKITS 61
           +V + DTTLRDGEQ+PG SL  +EK+ IA +++ L  DIIEAG   +S  + E +R++  
Sbjct: 4   KVLIFDTTLRDGEQSPGASLNLQEKVEIARQLEKLNVDIIEAGFPASSPLQFEAVRRVGE 63

Query: 62  EGLRAEICSFARAVREDI----DAAISCDVDSVHLVVPTSDLHLEHK---------LRKT 108
           E  +  + +  RA+  DI    +A  +     +H  + TS +H+  K         L + 
Sbjct: 64  ESGKT-VAALCRAMEHDIKSAHEALRNARYPRIHTFISTSAIHIMGKFSNDRYGKTLAEK 122

Query: 109 REEVLEQAVDCTEYAVDHGILVELSAEDSTRSDMDFLRTIFREGIEAGAERICACDTVGI 168
           ++ +L+ AVD   YA      VE SAED+ R+D  +L  I    I AGA  +   DT G 
Sbjct: 123 QQTILKMAVDAVSYAKTFTDDVEFSAEDAGRTDPAYLAEIIEAVISAGASTVNIPDTTGY 182

Query: 169 LTPERSYEFYRGLSELG--------APLSVHCHNDFGLAVANSLAGLRAGASEVHATING 220
             P    EF R +++L         A +SVHCHND GLAVAN+L+ +  GA +   +ING
Sbjct: 183 TWPS---EFGRKIADLKKRVPNIDHAVISVHCHNDLGLAVANTLSSVENGARQAECSING 239

Query: 221 IGERAGNAALEEVVVALK---SLYDVDTSINIEMLYETSRMVARMTGVYLQPNKAIVGEN 277
           IGERAGNA+LEE+V+AL     L++  T I  E +Y TSRMV+  TG+ +QPNKAIVG+N
Sbjct: 240 IGERAGNASLEEIVMALSVRSDLHNFSTGIVTEEIYNTSRMVSSFTGLIVQPNKAIVGDN 299

Query: 278 AFAHESGIHADGVLKKAETYEPITPEMVGHGR-GFVMGKHIGTHALRKRLDELGMKVADD 336
           AFAHESGIH DG+LK   TYE +TPE VG  +   V+G+H G H L+ RL  LG KV   
Sbjct: 300 AFAHESGIHQDGMLKNRHTYEVMTPESVGVPQTTIVLGRHSGKHGLQARLSALGYKVTGA 359

Query: 337 KLMEIFRRVKTLGDMGKCVTDVDLQAIAEDVLGVMEDKVVDLQEVTIVSGNRVTPTASVK 396
           +L  ++ R  +L D  K + D DL+ +  D L  + +  ++L  + I SG    PTA+V+
Sbjct: 360 ELETVYARFVSLADKKKEIYDDDLRVLMGDELNKLIEP-LELDYLHINSGTASIPTATVR 418

Query: 397 LRVDDREVLEAGTGVGPVDAAIVAIKKSLEDFADITLEEYHVDAITGGTDALIDVVIKLR 456
           +R   +   E+ TG GPVDA   AI+++L       L  Y V + T G  AL +  +KL 
Sbjct: 419 IRSKGKTYEESSTGDGPVDACFKAIERALS--LGSLLHSYSVRSTTAGRQALGEATVKLN 476

Query: 457 HGDRIISARSTQPDIIMASVEAFLSGVN 484
             DR+ + R    DII AS +A+L  ++
Sbjct: 477 CDDRLFTGRGVSTDIIEASAKAYLQALS 504


Lambda     K      H
   0.317    0.135    0.373 

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: 598
Number of extensions: 24
Number of successful extensions: 8
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: 496
Length of database: 522
Length adjustment: 34
Effective length of query: 462
Effective length of database: 488
Effective search space:   225456
Effective search space used:   225456
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 (21.7 bits)
S2: 52 (24.6 bits)

This GapMind analysis is from Apr 10 2024. The underlying query database was built on Apr 09 2024.

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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