RPSBLAST alignment for GI: 254781020 and conserved domain: cd02922

>gnl|CDD|73376 cd02922, FCB2_FMN, Flavocytochrome b2 (FCB2) FMN-binding domain. FCB2 (AKA L-lactate:cytochrome c oxidoreductase) is a respiratory enzyme located in the intermembrane space of fungal mitochondria which catalyzes the oxidation of L-lactate to pyruvate. FCB2 also participates in a short electron-transport chain involving cytochrome c and cytochrome oxidase which ultimately directs the reducing equivalents gained from L-lactate oxidation to oxygen, yielding one molecule of ATP for every L-lactate molecule consumed. FCB2 is composed of 2 domains: a C-terminal flavin-binding domain, which includes the active site for lacate oxidation, and an N-terminal b2-cytochrome domain, required for efficient cytochrome c reduction. FCB2 is a homotetramer and contains two noncovalently bound cofactors, FMN and heme per subunit.. Length = 344
 Score = 63.7 bits (155), Expect = 7e-11
 Identities = 83/351 (23%), Positives = 124/351 (35%), Gaps = 80/351 (22%)

Query: 20  DRNKKFFDDWHLIHRALPEISFDEVDPSVEFLGKKLSFPLLIS--SMTGGNNKMIERINR 77
             N + F       R L ++   +VD S   LG K+S P  IS  ++    +   E    
Sbjct: 30  RENLEAFQRIRFRPRVLRDVE--KVDTSTTILGHKVSLPFFISPAALAKLAHPDGEL--- 84

Query: 78  NLAIAAEKTKVAMAVGSQRVMFSDHNAIKSFE--LRQYAPHTVL---------------- 119
           NLA AA K  +   + +        NA  S E  +    P   L                
Sbjct: 85  NLARAAGKHGILQMIST--------NASCSLEEIVDARPPDQPLFFQLYVNKDRTKTEEL 136

Query: 120 ---ISNLG--AVQLNYDFGV---------QKAHQAVHVLGADGLFLHLNPLQEIIQPNGN 165
                 LG  A+ L  D  V          KA +AV    A              +    
Sbjct: 137 LKRAEKLGAKAIFLTVDAPVLGKRERDERLKAEEAVSDGPAGKK--TKAKGGGAGRAMSG 194

Query: 166 TNFADLS-SKIALLSSAMDVPLLLKEVGCGLSSMDIELGLKSGIRYFDIAGRGGTSWSRI 224
                L+   I  L     +P++LK V       D  L  + G+    ++  GG      
Sbjct: 195 FIDPTLTWDDIKWLRKHTKLPIVLKGVQTV---EDAVLAAEYGVDGIVLSNHGG------ 245

Query: 225 ESHRDLESDIGIVFQDWGIPTPLS--LEMARPYC----NEAQFIASGGLRNGVDILKSII 278
              R L+            P P+   LE+ R +C    ++ +    GG+R G D+LK++ 
Sbjct: 246 ---RQLD----------TAPAPIEVLLEI-RKHCPEVFDKIEVYVDGGVRRGTDVLKALC 291

Query: 279 LGASLGGLASPFL-KPAMDSSDAVVAAIESLRKEFIVSMFLLGTKRVQELY 328
           LGA   GL  PFL   +    + V  AI+ L+ E   +M LLG   + +L 
Sbjct: 292 LGAKAVGLGRPFLYALSAYGEEGVEKAIQILKDEIETTMRLLGVTSLDQLG 342