HHsearch alignment for GI: 254781051 and conserved domain: cd02015

>cd02015 TPP_AHAS Thiamine pyrophosphate (TPP) family, Acetohydroxyacid synthase (AHAS) subfamily, TPP-binding module; composed of proteins similar to the large catalytic subunit of AHAS. AHAS catalyzes the condensation of two molecules of pyruvate to give the acetohydroxyacid, 2-acetolactate. 2-Acetolactate is the precursor of the branched chain amino acids, valine and leucine. AHAS also catalyzes the condensation of pyruvate and 2-ketobutyrate to form 2-aceto-2-hydroxybutyrate in isoleucine biosynthesis. In addition to requiring TPP and a divalent metal ion as cofactors, AHAS requires FAD.
Probab=95.52  E-value=0.18  Score=30.82  Aligned_cols=156  Identities=21%  Similarity=0.286  Sum_probs=97.3

Q ss_pred             CHHHHHHHHCCCCCCCCCCCCCCCCCCCEEEEE-EEC-CCEEEEEECCCCCCC---HHCCHHHHHHHHHHHHHHCCCCCC
Q ss_conf             989999985588743223455510015026889-835-961899971787731---000445532367777641666544
Q gi|254781051|r  285 LPRSIFYEFKGKGPSEKEYSGDVKYHLGLCCNR-QIC-GKDVKLLLQSNPSHL---EFVDPVVIGSVRARQDLKAGIVGE  359 (957)
Q Consensus       285 p~~~iF~EF~g~~~~~~~~sGDVKYHLG~s~~~-~~~-g~~v~lsL~~NPSHL---EaVnPVv~G~~RAkQd~~~d~~~~  359 (957)
T Consensus         2 ~P~~~~~~L~~~lp~d~iiv~D~G~~~~~~~~~~~~~~p~~~~~-----s~~~g~mG~~lpaAIGa~la~p~--------   68 (186)
T cd02015           2 KPQEVIKELSELTPGDAIVTTDVGQHQMWAAQYYRFKKPRSWLT-----SGGLGTMGFGLPAAIGAKVARPD--------   68 (186)
T ss_pred             CHHHHHHHHHHHCCCCEEEEECCCHHHHHHHHHCCCCCCCEEEC-----CCCCCHHHHHHHHHHHHHHHCCC--------
T ss_conf             87999999996589983999778688999999736189993984-----79873566599999999986899--------


Q ss_pred             CCCCCCCCCEEEEEEEECCCCCCCCCHHHHHHHHHCCCCCCCCCEEEEEECCCE-E---------CCCCC--HHC-CCCC
Q ss_conf             555654454047888625753334672588764510677443657999841602-0---------12470--102-4677
Q gi|254781051|r  360 KSISLVERSRVLPLIIHGDAAFAGQGIVSETFGLSGLSGYTVAGNIHLIINNQI-G---------FTTNP--SSA-RSCT  426 (957)
Q Consensus       360 ~~~~~~~~~~vlpiliHGDAAfaGQGVV~Etl~ls~l~gY~tGGTiHiVvNNQI-G---------FTT~p--~d~-RSs~  426 (957)
T Consensus        69 --------r~vv--~i~GDG~f~m~~~EL~Ta~~~~lp------i~~iV~NN~~~g~i~~~q~~~~~~~~~~~~~~~~pd  132 (186)
T cd02015          69 --------KTVI--CIDGDGSFQMNIQELATAAQYNLP------VKIVILNNGSLGMVRQWQELFYEGRYSHTTLDSNPD  132 (186)
T ss_pred             --------CEEE--EEECCCHHHCCHHHHHHHHHHCCC------CEEEEEECCCHHHHHHHHHHHCCCCCCCCCCCCCCC
T ss_conf             --------8189--997670775035999999986699------479999897068899999997289766656788877


Q ss_pred             CCCHHHHHHCCCEEEECCCCHHHHHHHHHHHHHHHHHHCCCEEEEEEECC
Q ss_conf             84001122034058742678899999999999999973897399864211
Q gi|254781051|r  427 YASDISKSIGIPIFHVNGDDPEAVIRVVRMAVSFRMKFHKSVVIDIVCYR  476 (957)
Q Consensus       427 Y~TDiAK~i~aPI~HVN~DdpEav~~~~~lA~~yR~~F~kDVvIDlv~YR  476 (957)
T Consensus       133 ~-~~iA~a~G~~~~~v--~~~~el~~al~~a~~----~~gP~lieV~idp  175 (186)
T cd02015         133 F-VKLAEAYGIKGLRV--EKPEELEAALKEALA----SDGPVLLDVLVDP  175 (186)
T ss_pred             H-HHHHHHCCCEEEEE--CCHHHHHHHHHHHHH----CCCCEEEEEEECC
T ss_conf             6-89999759769997--899999999999984----8997999999889