>cd05291 HicDH_like L-2-hydroxyisocapronate dehydrogenases and some bacterial L-lactate dehydrogenases. L-2-hydroxyisocapronate dehydrogenase (HicDH) catalyzes the conversion of a variety of 2-oxo carboxylic acids with medium-sized aliphatic or aromatic side chains. This subfamily is composed of HicDHs and some bacterial L-lactate dehydrogenases (LDH). LDHs catalyze the last step of glycolysis in which pyruvate is converted to L-lactate. Bacterial LDHs can be non-allosteric or may be activated by an allosteric effector such as fructose-1,6-bisphosphate. Members of this subfamily with known structures such as the HicDH of Lactobacillus confusus, the non-allosteric LDH of Lactobacillus pentosus, and the allosteric LDH of Bacillus stearothermophilus, show that they exist as homotetramers. The HicDH-like subfamily is part of the NAD(P)-binding Rossmann fold superfamily, which includes a wide variety of protein families including the NAD(P)-binding domains of alcohol dehydrogenases, tyrosine

Probab=92.48 E-value=0.25 Score=28.82 Aligned_cols=110 Identities=13% Similarity=0.195 Sum_probs=58.4 Q ss_pred CEEEEECCCHHHHHHHHHHHHCCC--EEEEEECCCCCCH---HHCCCE------EEECCCCCHHHHHHHHHHCCEEEECC Q ss_conf 789998098989999999988797--8999967677713---422682------79878999999999974199999877 Q gi|254780158|r 4 KTIGIIGGGQLARMLSMSAARLGF--CTVILDPDSNCPA---NQVSNQ------QIAARHDDIKALNTFADICDYATYES 72 (354) Q Consensus 4 k~IgIlG~GqL~rml~~aA~~lG~--~v~v~d~~~~~pa---~~~ad~------~~~~~~~D~~~l~~~~~~~Dvit~E~ 72 (354) T Consensus 1 rKI~IIGaG~VG~~~a~~l~~~~l~~el~L~Di~~~~a~G~a~DL~~~~~~~~~~~~i~~~~~~----~~~~aDvvVitA 76 (306) T cd05291 1 RKVVIIGAGHVGSSFAYSLVNQGIADELVLIDINEEKAEGEALDLEDALAFLPSPVKIKAGDYS----DCKDADIVVITA 76 (306) T ss_pred CEEEEECCCHHHHHHHHHHHHCCCCCEEEEECCCCCCCHHHHHHHHHHHHHCCCCEEEEECCHH----HHCCCCEEEECC T ss_conf 9599999698899999999857998779998189870176999887013305997399608878----847899999906 Q ss_pred CCCCHHHHHHHHHCCCCCCCHHHHH-HHHCCHHHHHHHHHCCC--CCCCCCCCCHHHHHHH Q ss_conf 2221133344430200348767787-63152788888765058--8674321000688886 Q gi|254780158|r 73 ENIPEKSISYLSTLLPTYPSSRAIE-ISQDRLYEKKFFQESGL--TTVDFYEINSQESLTN 130 (354) Q Consensus 73 E~i~~~~l~~l~~~~~v~P~~~al~-~~~dK~~~K~~l~~~gi--pt~~~~~v~s~~el~~ 130 (354) T Consensus 77 -------------G~~rk~g~~R~dLl~~N~~I~k~i~~~i~~~~p~aivivvtNPvDvmt 124 (306) T cd05291 77 -------------GAPQKPGETRLDLLEKNAKIMKSIVPKIKASGFDGIFLVASNPVDVIT 124 (306) T ss_pred -------------CCCCCCCCCHHHHHHHHHHHHHHHHHHHHHCCCCCEEEEECCCHHHHH T ss_conf -------------766799998789999789999999999872299718999358167899

HHsearch alignment for GI: 254780158 and conserved domain: cd05291