>sp|Q8TJP7|MER_METAC 5,10-methylenetetrahydromethanopterin reductase OS=Methanosarcina acetivorans GN=mer
MKFGIEFVPSDPALKIAYYAKLSEQQGFDYVWITDHYNNRDVYSTLTVLALNTNSIKIGS
GVTNSYTRNPAITASSIASIAEISGGRAVLGLGPGDKATFDAMGIAWEKPLATTKEAIQA
IRDFIAGKKVSMDGEMVKFAGAKLAFKAGNVPIYMGAQGPKMLELAGEVADGVLINASHP
KDFEVAVEQIRKGAEKVGRDPSEVDVTAYACFSIDKDPAKAINAAKVVVAFIVAGSPDLV
LERHGIPVDAKKQIGDAIAKGDFGALMGGLVTPQMIEAFAICGTPEDCMKRIKDLEAIGV
TQIVAGSPIGPEKEKAIKLIGKEIIAKM