HHsearch alignment for GI: 254780369 and conserved domain: cd01985

>cd01985 ETF The electron transfer flavoprotein (ETF) serves as a specific electron acceptor for various mitochondrial dehydrogenases. ETF transfers electrons to the main respiratory chain via ETF-ubiquinone oxidoreductase. ETF is an heterodimer that consists of an alpha and a beta subunit which binds one molecule of FAD per dimer . A similar system also exists in some bacteria. The homologous pair of proteins (FixA/FixB) are essential for nitrogen fixation. The alpha subunit of ETF is structurally related to the bacterial nitrogen fixation protein fixB which could play a role in a redox process and feed electrons to ferredoxin. The beta subunit protein is distantly related to and forms a heterodimer with the alpha subunit.
Probab=99.95  E-value=4.9e-27  Score=192.15  Aligned_cols=157  Identities=27%  Similarity=0.431  Sum_probs=142.2

Q ss_pred             EEEEEEEECCCE----ECHHHHHHHHHHHHHC---CCEEEEEECCCHHHHH-HHHHCCCCCCEEEEECCCHHHHHHHHHH
Q ss_conf             489999802975----8789999999998738---9347999818926888-9987078973999944810100012322
Q gi|254780369|r    7 PVLLLADYNQEN----LSEQTARIVTAAQKIS---HDIHVLVLGDNIENIA-QQAARIQGVTQVIVAQSTIFRHKLAGPV   78 (318)
Q Consensus         7 ~ilV~~E~~~g~----l~~~slEll~~A~~lg---~~v~avv~G~~~~~~a-~~~~~~~Gad~V~~~~~~~~~~~~~~~~   78 (318)
T Consensus         1 ~IlV~vk~~~d~~~~v~n~~d~~Ale~A~~lke~~~~v~~v~~G~~~~~~~l~~~~a-~GaD~v~~v~~~~~~~~~~~~~   79 (181)
T cd01985           1 KILVLVEHVPDTAELVLNPLDLEAVEAALRLKEYGGEVTALVIGPPAAEVALREALA-MGADKVLLVEDPALAGYDPEAT   79 (181)
T ss_pred             CEEEEEEECCCCCCCCCCCCCHHHHHHHHHHHHCCCCEEEEEECCCHHHHHHHHHHH-CCCCEEEEECCCCCCCCCHHHH
T ss_conf             989999877998874458036999999998644499689999788168999999977-2897899981674457688999


Q ss_pred             HHHHHHHCC--CCCEEECCCCCHHHHHHHHHHHHCCCCEECCCEEECC---CCEEEEEEECCCEEEEEEECCCCEEEEEC
Q ss_conf             455787403--4560441578103446788887517741013202246---87279741069526899977984279951
Q gi|254780369|r   79 SDFVVSIAR--DYKTIMASANAMGKDILPRVAAMLDVMQVSEVIEIIS---PKIFKRPSYTGNIIQTIETTDTYQIITIR  153 (318)
Q Consensus        79 a~~l~~~~~--~~~~Vl~~~t~~GrdlaprlAarL~~~~vsdvv~i~~---~~~~~rp~fgG~~~a~v~~~~~~~viTvr  153 (318)
T Consensus        80 a~~la~~i~~~~~dlVl~g~~s~g~~~~~~lA~~L~~~~v~~v~~i~~~~~~~~~~R~~~~g~~~~~v~~~~~P~vitv~  159 (181)
T cd01985          80 AKALAALIKKEKPDLILAGATSIGKQLAPRVAALLGVPQISDVTKLEIDGGDLTVTRPIYAGNGLETVESPDLPAVITVR  159 (181)
T ss_pred             HHHHHHHHHHCCCCEEEECCCHHHCCHHHHHHHHHCCCCCCCEEEEEECCCEEEEEEEEECCCEEEEEEECCCCEEEEEE
T ss_conf             99999999860998999604102225899999985997312379999809969999994069769999979998899985


Q ss_pred             CCCCCCCCCCC
Q ss_conf             68643333556
Q gi|254780369|r  154 AIAFPPAPKAE  164 (318)
Q Consensus       154 ~~sf~~~~~~~  164 (318)
T Consensus       160 ~~~~~pr~~~~  170 (181)
T cd01985         160 PGAFEPRYPSG  170 (181)
T ss_pred             CCCCCCCCCCC
T ss_conf             89876577887