RPSBLAST alignment for GI: 254780337 and conserved domain: TIGR02415

>gnl|CDD|131468 TIGR02415, 23BDH, acetoin reductases. One member of this family, as characterized in Klebsiella terrigena, is described as able to interconvert acetoin + NADH with meso-2,3-butanediol + NAD(+). It is also called capable of irreversible reduction of diacetyl with NADH to acetoin. Blomqvist, et al. decline to specify either EC 1.1.1.4 which is (R,R)-butanediol dehydrogenase, or EC 1.1.1.5, which is acetoin dehydrogenase without a specified stereochemistry, for this enzyme. This enzyme is a homotetramer in the family of short chain dehydrogenases (pfam00106). Another member of this family, from Corynebacterium glutamicum, is called L-2,3-butanediol dehydrogenase (PubMed:11577733). Length = 254
 Score = 85.6 bits (212), Expect = 1e-17
 Identities = 56/193 (29%), Positives = 96/193 (49%), Gaps = 8/193 (4%)

Query: 19  RLALVTGSSRGIGYYTALELARSGAYVIACGRSISQLEKLKNALQKINK---KIDIFAFD 75
           ++ALVTG ++GIG   A  LA+ G  V          E  K   ++IN+   K   +  D
Sbjct: 1   KVALVTGGAQGIGKGIAERLAKDGFAVAVAD---LNEETAKETAKEINQAGGKAVAYKLD 57

Query: 76  LRDSNALELTKTYIAKRWGKLDILIANAGILGSISPIWQIKEKSFADVISVNVMAN-WNI 134
           + D + +       A+++G  D+++ NAG+   I+PI +I E+    V +VNV    + I
Sbjct: 58  VSDKDQVFSAIDQAAEKFGGFDVMVNNAGV-APITPILEITEEELKKVYNVNVKGVLFGI 116

Query: 135 MRSFDPWLKKSHCGRAIILSSGAAYKCRPLWGAYSASKAAIEALARTWSKETVNTALRVI 194
             +   + K+ H G+ I  +S A ++  P+  AYS++K A+  L +T ++E     + V 
Sbjct: 117 QAAARQFKKQGHGGKIINAASIAGHEGNPILSAYSSTKFAVRGLTQTAAQELAPKGITVN 176

Query: 195 NIDPGPTRTSMRA 207
              PG  +T M  
Sbjct: 177 AYCPGIVKTPMWE 189