>tr|J9Q3I4|J9Q3I4_9EURY Methyl-coenzyme M reductase alpha subunit (Fragment) OS=Methanocalculus alkaliphilus OX=768730 PE=4 SV=1 LDEFTYYGMDYIKDKYKVDWQNPSPDDKVKPTQEIVNDIASEVNLNGMEQYETYPTMLED HFGGSQRASVLAAASGISTAIATGNSNAGLNGWYLSMLMHKEGWSRLGFFGYDLQDQCGS ANSLSVRPDEGCIGEFRGPNY