>TIGR00118 acolac_lg acetolactate synthase, large subunit, biosynthetic type; InterPro: IPR012846 Two groups of proteins form acetolactate from two molecules of pyruvate. The type of acetolactate synthase described in this entry also catalyzes the formation of acetohydroxybutyrate from pyruvate and 2-oxobutyrate, an early step in the branched chain amino acid biosynthesis; it is therefore also termed acetohydroxyacid synthase. In bacteria, this catalytic chain is associated with a smaller regulatory chain in an alpha2/beta2 heterotetramer. Acetolactate synthase is a thiamine pyrophosphate enzyme. In this type, FAD and Mg++ are also found. Several isozymes of this enzyme are found in E. coli K12, one of which contains a frameshift in the large subunit gene and is not expressed.; GO: 0000287 magnesium ion binding, 0003984 acetolactate synthase activity, 0030976 thiamin pyrophosphate binding, 0050660 FAD binding, 0009082 branched chain family amino acid biosynthetic process.

Probab=99.02 E-value=2.8e-10 Score=85.99 Aligned_cols=184 Identities=16% Similarity=0.289 Sum_probs=114.3 Q ss_pred HHHHHHHHHHHCCCCCCCCCCCCCH-HHHHH---HHHHHCCC--CCEEEECCCCHHHHHHHHHHHHHHHHHHHCCCCCCC Q ss_conf 9999999999789877722058987-89999---99962389--989994300689999974212222343210123443 Q gi|255764490|r 64 RFEEKAGQLYGMGMVGGFCHLCIGQ-EAVIV---GMKMSLTE--GDQMITAYREHGHILACGVDASKIMAELTGRQGGIS 137 (364) Q Consensus 64 ~~e~~~~~l~~qg~i~g~~~~~~Gq-Ea~~v---g~~~al~~--~D~~~~~yR~~~~~l~~G~~~~~~~ae~~gk~~g~~ 137 (364) T Consensus 366 ~W~~~i~~Wk~~~~l-~Y~~~~~~~kiKPQ~vi~~~~~~~~~~~~~aivTTDVGQhQMWa---------A~fy~------ 429 (593) T TIGR00118 366 AWLEQINKWKKEYPL-AYMDYTEEGKIKPQQVIEEISRVTKDIGREAIVTTDVGQHQMWA---------AQFYP------ 429 (593) T ss_pred HHHHHHHHHHHHCCH-HHCCCCCCCCCCCHHHHHHHHHHCCCCCCCEEEECCCCHHHHHH---------HHHCC------ T ss_conf 999999998761473-12466788853607999999996278885368972777347889---------86157------ Q ss_pred CCCCCCCCCCCCCCCCCC--CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHCCCHHHHHH Q ss_conf 455677321112212367--667466767432543100112334444331025665430245676544321140111022 Q gi|255764490|r 138 KGKGGSMHMFSTKNGFYG--GHGIVGAQVSLGTGIAFANKYRRSDKICVVCFGDGAANQGQVYESFNIAALWNLNVIYVI 215 (364) Q Consensus 138 ~Gr~gs~H~~~~~~~~~~--~~~~vg~~~p~A~G~A~a~k~~~~~~v~v~~~GDGa~~eG~f~Ealn~A~~~~lPvifvv 215 (364) T Consensus 430 ---------~~~Pr~fI~SGGLGTMGFGlPAAiGAkvA~----pe~~Vi~i~GDGsF~Mn-~QE-L~t~~~y~iPV~i~i 494 (593) T TIGR00118 430 ---------FKKPRKFITSGGLGTMGFGLPAAIGAKVAK----PEETVICITGDGSFQMN-LQE-LSTIVQYDIPVKIVI 494 (593) T ss_pred ---------CCCCCCEECCCCCCCCCCCCHHHHCCCCCC----CCCCEEEEECCCCCCCH-HHH-HHHHHHCCCCEEEEE T ss_conf ---------778864131377631101026886000047----88664787538732123-467-889987189649998 Q ss_pred HCCCC-CC------------CCCCCCCCCCCCHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHCCCCCCCCCCEEEEECC Q ss_conf 10343-44------------44432321486435777776311112100002336887542102455454655898315 Q gi|255764490|r 216 ENNQY-AM------------GTSVSRASAQTNFSKRGVSFNIPGMQVDGMDIRAVKATMDKAVAYCRAHKGPIIIEMLT 281 (364) Q Consensus 216 enN~~-ai------------st~~~~~~~~~~i~~ra~~~gi~~~~vDG~D~~~v~~~~~~a~~~~r~~~gP~lie~~t 281 (364) T Consensus 495 LNN~~LGMV~QWQ~lfY~~RyS~t~~~~~~PDF~kLAEayG~~G~ri~--~~~E~~~kL~Ea~~~~r~-n~Pv~~Dv~V 570 (593) T TIGR00118 495 LNNRYLGMVRQWQELFYEERYSETHMGSELPDFVKLAEAYGIKGIRIE--KPEELDEKLKEALESKRN-NEPVLLDVVV 570 (593) T ss_pred ECCCCCCHHHHHHHHHHCCCHHHHHHCCCCCHHHHHHHHCCCCEEEEC--CHHHHHHHHHHHHHHCCC-CCCEEEEEEE T ss_conf 458965604888887521102357630689428999987295025547--887799999999861468-8846999997

HHsearch alignment for GI: 255764490 and conserved domain: TIGR00118