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