Align homoisocitrate dehydrogenase (EC 1.1.1.87) (characterized)
to candidate GFF2936 PGA1_c29830 3-isopropylmalate dehydrogenase LeuB
Query= BRENDA::Q5SIJ1 (334 letters) >FitnessBrowser__Phaeo:GFF2936 Length = 367 Score = 186 bits (472), Expect = 8e-52 Identities = 138/361 (38%), Positives = 191/361 (52%), Gaps = 37/361 (10%) Query: 5 ICLIEGDGIGHEVIPAARRVL----EATGLPLEFVEAEAGWETFERRGTSVPEETVEKIL 60 I ++ GDGIG EV+ R+V+ E L + E G ++ G + +ET+EK Sbjct: 6 ILILPGDGIGPEVMAEVRKVISWYGEKRDLQFDVSEDLVGGAAYDVHGKPLADETMEKAQ 65 Query: 61 SCHATLFGAATSPTRKVPGFF-----GAIRYLRRRLDLYANVRPAK--------SRPVPG 107 A L GA P F G +R LR+ +DLY+N+RPA+ S Sbjct: 66 EVDAVLLGAVGGPKYDDLDFSVKPERGLLR-LRKEMDLYSNLRPAQCFDALADFSSLKKD 124 Query: 108 SRPGVDLVIVRENTEGLYVEQERRYLD-----VAIADAVISKKASERIGRAALRIAEGRP 162 G+D++IVRE T G+Y + R + V I ++ ER R+A +A R Sbjct: 125 IVAGLDIMIVRELTSGVYFGEPRGIFEEGNERVGINTQRYTESEIERAARSAFELAMRRN 184 Query: 163 RKTLHIAHKANVLPLTQGLFLDTVKEVAKDFPLVNVQDIIVDNCAMQLVMRPERFDVIVT 222 +K + KANV+ + L+ + V VA D+P V + + DN AMQLV P++FDVI+T Sbjct: 185 KKLCSM-EKANVME-SGILWREVVTRVAADYPEVELSHMYADNGAMQLVRAPKQFDVILT 242 Query: 223 TNLLGDILSDLAAGLVGGLGLAPSGNI------GDTTAVFEPVHGSAPDIAGKGIANPTA 276 NL GDILSD AA L G LG+ PS ++ G A++EPVHGSAPDIAG+G ANP A Sbjct: 243 DNLFGDILSDCAAMLTGSLGMLPSASLGAPMANGRPKALYEPVHGSAPDIAGQGKANPIA 302 Query: 277 AILSAAMMLDY-LGEKEAAKRVEKAVDLVLERGPRTPDLGGD-----ATTEAFTEAVVEA 330 ILS AM L Y + A R+E AV+ VL G RT DL G+ +T + ++ A Sbjct: 303 CILSFAMALRYSFDQGSEADRLETAVEKVLADGHRTGDLLGEEGVSPISTSEMGDVIIAA 362 Query: 331 L 331 L Sbjct: 363 L 363 Lambda K H 0.319 0.137 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: 321 Number of extensions: 20 Number of successful extensions: 6 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: 334 Length of database: 367 Length adjustment: 29 Effective length of query: 305 Effective length of database: 338 Effective search space: 103090 Effective search space used: 103090 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 (21.7 bits) S2: 49 (23.5 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