RPSBLAST alignment for GI: 254780290 and conserved domain: cd08233
>gnl|CDD|176195 cd08233, butanediol_DH_like, (2R,3R)-2,3-butanediol dehydrogenase. (2R,3R)-2,3-butanediol dehydrogenase, a zinc-dependent medium chain alcohol dehydrogenase, catalyzes the NAD(+)-dependent oxidation of (2R,3R)-2,3-butanediol and meso-butanediol to acetoin. BDH functions as a homodimer. NAD(P)(H)-dependent oxidoreductases are the major enzymes in the interconversion of alcohols and aldehydes, or ketones. The medium chain alcohol dehydrogenase family (MDR) have a NAD(P)(H)-binding domain in a Rossmann fold of a beta-alpha form. The N-terminal region typically has an all-beta catalytic domain. These proteins typically form dimers (typically higher plants, mammals) or tetramers (yeast, bacteria), and have 2 tightly bound zinc atoms per subunit. Sorbitol and aldose reductase are NAD(+) binding proteins of the polyol pathway, which interconverts glucose and fructose. Sorbitol dehydrogenase is tetrameric and has a single catalytic zinc per subunit. Length = 351
Score = 84.5 bits (210), Expect = 3e-17
Identities = 70/297 (23%), Positives = 117/297 (39%), Gaps = 50/297 (16%)
Query: 15 YGKSNVMFLAESPIPQPQKEEILIKVEAIGVNRPDVMQRKGLYPP---PKNANP------ 65
+G+ ++ E P P + E+ IKV G+ D+ + L P P +P
Sbjct: 7 HGRKDIRV-EEVPEPPVKPGEVKIKVAWCGICGSDLHEY--LDGPIFIPTEGHPHLTGET 63
Query: 66 ---ILGLEVAGKIVDLGENTTHWNIGDEVCA----------------------------L 94
LG E +G +V++G T + +GD V
Sbjct: 64 APVTLGHEFSGVVVEVGSGVTGFKVGDRVVVEPTIKCGTCGACKRGLYNLCDSLGFIGLG 123
Query: 95 VNGGGYAEYCLSHQGHTLPIPKGYNAIQAASLPESFFTVWANLFQTANLRSGQTVLIHGG 154
GGG+AEY + H +P +AA L E W + + + + G T L+ G
Sbjct: 124 GGGGGFAEYVVVPAYHVHKLPDNVPLEEAA-LVEPLAVAW-HAVRRSGFKPGDTALVLGA 181
Query: 155 SSGIGTTAIQLASYFGAT-VYTTAKSEEKCLACLKLGAKHAINYLKEDFLEILQKETQGR 213
IG I GA+ + + SE + +LGA ++ + D + ++K T G
Sbjct: 182 GP-IGLLTILALKAAGASKIIVSEPSEARRELAEELGATIVLDPTEVDVVAEVRKLTGGG 240
Query: 214 GIDIILDMVGAEY-LNQHLTLLSKEGKLIIISFLGGNIATEINLNPIISKRITITGS 269
G+D+ D G + L+ + L G + ++ I N N ++ K T+TGS
Sbjct: 241 GVDVSFDCAGVQATLDTAIDALRPRGTAVNVAIWEKPI--SFNPNDLVLKEKTLTGS 295