HHsearch alignment for GI: 254780859 and conserved domain: TIGR03290

>TIGR03290 CoB_CoM_SS_C CoB--CoM heterodisulfide reductase, subunit C. The last step in methanogenesis leaves two coenzymes of methanogenesis, CoM and CoB, linked by a disulfide bond. Members of this protein family are the C subunit of the enzyme that reduces the heterodisulfide to CoB-SH and CoM-SH. Similar enzyme complex subunits are found in various other species, but likely act on a different substrate.
Probab=95.84  E-value=0.0016  Score=44.55  Aligned_cols=55  Identities=15%  Similarity=0.251  Sum_probs=34.4

Q ss_pred             HHCCCCCHHHHHHHHCCCCCCEEEECC--------CCCCEEEECCCCCCCCCCCCCEEECCCCCCCC
Q ss_conf             329010023645432068740033306--------66412662058755565466222012121012
Q gi|254780859|r  156 NRCIHCTRCVRFITEVAGVSELGLVGR--------GENAEITTYLEQSLTSEMQGNIIDLCPVGALT  214 (700)
Q Consensus       156 ~rCI~C~RCVR~c~Ev~g~~~lg~~~R--------G~~~~i~~~~~~~~~~e~~Gncvd~CPvGALt  214 (700)
T Consensus         2 ~~C~qCG~Cta~CP~-~~~--~~~~pR~iir~~~~G~~e~vl~-s~~lW~C~tC~~C~~~CP~gV~~   64 (144)
T TIGR03290         2 KACYQCGTCTGSCPS-GRR--TSYRTRLIIRKALLGLKDEVIS-DDDLWMCTTCYTCQERCPRDVKI   64 (144)
T ss_pred             CCCCCCCCCCCCCCC-CCC--CCCCHHHHHHHHHCCCHHHHCC-CCCCCCCCCCCCHHHHCCCCCCH
T ss_conf             705579998784999-988--8989899999998688023306-88630384737540134899988