RPSBLAST alignment for GI: 254781048 and conserved domain: cd01339

>gnl|CDD|133424 cd01339, LDH-like_MDH, L-lactate dehydrogenase-like malate dehydrogenase proteins. Members of this subfamily have an LDH-like structure and an MDH enzymatic activity. Some members, like MJ0490 from Methanococcus jannaschii, exhibit both MDH and LDH activities. Tetrameric MDHs, including those from phototrophic bacteria, are more similar to LDHs than to other MDHs. LDH catalyzes the last step of glycolysis in which pyruvate is converted to L-lactate. MDH is one of the key enzymes in the citric acid cycle, facilitating both the conversion of malate to oxaloacetate and replenishing levels of oxalacetate by reductive carboxylation of pyruvate. The LDH-like MDHs are 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-dependent oxidoreductases, glyceraldehyde-3-phosphate dehydrogenases, formate/glycerate dehydrogenases, siroheme synthases, 6-phosphogluconate dehydrogenases, aminoacid dehydrogenases, repressor rex, and NAD-binding potassium channel domains, among others. Length = 300
 Score =  491 bits (1267), Expect = e-139
 Identities = 176/305 (57%), Positives = 244/305 (80%), Gaps = 5/305 (1%)

Query: 6   IALIGSGMIGGTLAHLAVLKKLGDVVLLDIVDGMPRGKALDIAESSPVEGFGAQLCGTSD 65
           I++IG+G +G TLA L  LK+LGDVVLLDIV+G+P+GKALDI++++P+ G   ++ GT+D
Sbjct: 1   ISIIGAGNVGATLAQLLALKELGDVVLLDIVEGLPQGKALDISQAAPILGSDTKVTGTND 60

Query: 66  YSDIAEADVCIVTAGIPRKPSMSRDDLLADNLKAIEKVGAGIRKYAPNSFVICITNPLDA 125
           Y DIA +DV ++TAGIPRKP MSRDDLL  N K +++V   I+KYAPN+ VI +TNPLD 
Sbjct: 61  YEDIAGSDVVVITAGIPRKPGMSRDDLLGTNAKIVKEVAENIKKYAPNAIVIVVTNPLDV 120

Query: 126 MVWALQKFSGLPSHMVVGMAGILDSARFRYFLAQEFGVSVESVTALVLGSHGDSMVPMLR 185
           M +   K SG P + V+GMAG+LDSARFRYF+A+E GVSV+ V A+VLG HGD+MVP+ R
Sbjct: 121 MTYVAYKASGFPRNRVIGMAGVLDSARFRYFIAEELGVSVKDVQAMVLGGHGDTMVPLPR 180

Query: 186 YATVSGIPVSDLVKLGWTTQEKIDQIVKRTREGGAEIVGLLRSGSAYYAPASSAIAIAES 245
           Y+TV GIP+++L+     T+E+ID+IV+RTR GGAEIV LL++GSAYYAPA++   + E+
Sbjct: 181 YSTVGGIPLTELI-----TKEEIDEIVERTRNGGAEIVNLLKTGSAYYAPAAAIAEMVEA 235

Query: 246 YLKNKKNLLPCAAHLSGQYGVEGFYVGVPVVIGHKGVEKIVELNLSFDEKDAFQKSVKAT 305
            LK+KK +LPC+A+L G+YG++  +VGVPVV+G  GVEKI+EL+L+ +EK+AF KSV++ 
Sbjct: 236 ILKDKKRVLPCSAYLEGEYGIKDIFVGVPVVLGKNGVEKIIELDLTDEEKEAFDKSVESV 295

Query: 306 VDLCN 310
            +L +
Sbjct: 296 KELID 300