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