Align Lipoamide acyltransferase component of branched-chain alpha-keto acid dehydrogenase complex; EC 2.3.1.168; Branched-chain alpha-keto acid dehydrogenase complex component E2; BCKAD-E2; BCKADE2; Dihydrolipoamide acetyltransferase component of branched-chain alpha-keto acid dehydrogenase complex; Dihydrolipoamide branched chain transacylase; Dihydrolipoyllysine-residue (2-methylpropanoyl)transferase (uncharacterized)
to candidate 199617 SO0425 pyruvate dehydrogenase complex, E2 component, dihydrolipoamide acetyltransferase (NCBI ptt file)
Query= curated2:P09062 (423 letters) >FitnessBrowser__MR1:199617 Length = 677 Score = 215 bits (547), Expect = 4e-60 Identities = 139/437 (31%), Positives = 236/437 (54%), Gaps = 36/437 (8%) Query: 6 IKMPDIGEGIAQVELVEWFVKVGDIIAEDQVVADVMTDKATVEIPSPVSGKVLALGGQPG 65 I++PDIG+ + V+++E V VGD+I+ DQ + + TDKAT+E+P+P +GK+L+L + G Sbjct: 241 IQVPDIGDA-SNVDVIEVLVSVGDMISADQGLITLETDKATMEVPAPFAGKLLSLTVKVG 299 Query: 66 EVMAVGSELIRIEVEGSGNHVDVPQAKPAEVPAAPVAAKPEPQKDVKPAAYQASASHEAA 125 + ++ GS + IE V A A P A AA ++ PA A+ S Sbjct: 300 DKVSQGSVIATIETTS----VATVSAGAATAPVAQAAAPAPVAQEAAPAPVAAAPSR--- 352 Query: 126 PIVPRQPG-DKPL------ASPAVRKRALDAGIELRYVHGSGPAGRILHEDLDAF----M 174 P VP P P+ ASPAVR+ A + G++L V GSG GRI+ ED+ A+ + Sbjct: 353 PPVPHHPSAGAPVSTGAVHASPAVRRLAREFGVDLTQVTGSGRKGRIMKEDVQAYVKYEL 412 Query: 175 SKPQSAAGQ---TPNG------------YARRTDSEQVPVIGLRRKIAQRMQDAKRRVAH 219 S+P++ A T NG +++ + E++P+ +++ + + H Sbjct: 413 SRPKATAATSVATGNGGGLQVIAAPKVDFSKFGEVEEIPLSRIQKISGPNLHRNWVTIPH 472 Query: 220 FSYVEEIDVTALEALRQQLNSKHGDSRG--KLTLLPFLVRALVVALRDFPQINATYDDEA 277 + +E D+T +E R+Q N + K+T L F+++A+ L+ FP N++ + Sbjct: 473 VTQFDEADITEMEEFRKQQNDAAAKKKADYKITPLVFMMKAVAKTLQQFPVFNSSLSSDG 532 Query: 278 QIITRHGAVHVGIATQGDNGLMVPVLRHAEAGSLWANAGEISRLANAARNNKASREELSG 337 + + + H+G+A NGL+VPV+R + + + E++ ++ AR+ K ++ G Sbjct: 533 ESLIQKKYFHIGVAVDTPNGLVVPVVRDVDKKGIIELSRELADISIRARDGKLKSADMQG 592 Query: 338 STITLTSLGALGGIVSTPVVNTPEVAIVGVNRMVERPVVIDGQIVVRKMMNLSSSFDHRV 397 S T++SLG +GG TP+VN P+VAI+GV++ +P + + M+ LS S+DHRV Sbjct: 593 SCFTISSLGGIGGTAFTPIVNYPDVAILGVSKSEIKPKWNGKEFEPKLMLPLSLSYDHRV 652 Query: 398 VDGMDAALFIQAVRGLL 414 +DG AA F + G+L Sbjct: 653 IDGAMAARFSVTLSGIL 669 Score = 60.8 bits (146), Expect = 1e-13 Identities = 45/123 (36%), Positives = 61/123 (49%), Gaps = 12/123 (9%) Query: 6 IKMPDIGEGIAQVELVEWFVKVGDIIAEDQVVADVMTDKATVEIPSPVSGKVLALGGQPG 65 I +PDIG G V ++E V GD I D + + TDKAT+++PSP +G V + G Sbjct: 126 ISVPDIG-GDTDVSVIEVLVAAGDKIEVDAGLITLETDKATMDVPSPFAGVVKEVKVAVG 184 Query: 66 EVMAVGSELIRIEVEGSGNHVDVPQAKPAEVPAAPVAAKPEPQKDVKPAAYQASASHEAA 125 + ++ GS +I +EV G A PA P A A P PAA A A A Sbjct: 185 DKVSQGSLVIMLEVGG---------AAPAAAPQANAPAASAPVAQAAPAA--AVAPVAAV 233 Query: 126 PIV 128 P+V Sbjct: 234 PVV 236 Score = 58.9 bits (141), Expect = 5e-13 Identities = 33/100 (33%), Positives = 56/100 (56%), Gaps = 2/100 (2%) Query: 8 MPDIGEGIAQVELVEWFVKVGDIIAEDQVVADVMTDKATVEIPSPVSGKVLALGGQPGEV 67 +PDIG +V+++E VGD +A ++ + V +DKAT++IP+P +G + L G+ Sbjct: 9 VPDIGGD--EVQVIEICAAVGDTLAAEESILTVESDKATMDIPAPFAGVLAELKVAVGDK 66 Query: 68 MAVGSELIRIEVEGSGNHVDVPQAKPAEVPAAPVAAKPEP 107 ++ G+ + I+ G+ P A+ A APV A P P Sbjct: 67 VSEGTLIALIQAAGASAQAAAPVAQAAAPAPAPVQAAPAP 106 Lambda K H 0.316 0.133 0.376 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: 704 Number of extensions: 34 Number of successful extensions: 8 Number of sequences better than 1.0e-02: 1 Number of HSP's gapped: 3 Number of HSP's successfully gapped: 3 Length of query: 423 Length of database: 677 Length adjustment: 35 Effective length of query: 388 Effective length of database: 642 Effective search space: 249096 Effective search space used: 249096 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 (21.6 bits) S2: 52 (24.6 bits)
This GapMind analysis is from Sep 17 2021. The underlying query database was built on Sep 17 2021.
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:
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.
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