>sp|Q8TJP7|MER_METAC 5,10-methylenetetrahydromethanopterin reductase OS=Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A) OX=188937 GN=mer PE=3 SV=1
MKFGIEFVPSDPALKIAYYAKLSEQQGFDYVWITDHYNNRDVYSTLTVLALNTNSIKIGS
GVTNSYTRNPAITASSIASIAEISGGRAVLGLGPGDKATFDAMGIAWEKPLATTKEAIQA
IRDFIAGKKVSMDGEMVKFAGAKLAFKAGNVPIYMGAQGPKMLELAGEVADGVLINASHP
KDFEVAVEQIRKGAEKVGRDPSEVDVTAYACFSIDKDPAKAINAAKVVVAFIVAGSPDLV
LERHGIPVDAKKQIGDAIAKGDFGALMGGLVTPQMIEAFAICGTPEDCMKRIKDLEAIGV
TQIVAGSPIGPEKEKAIKLIGKEIIAKM