>tr|Q9HQ40|Q9HQ40_HALSA N5,N10-methylenetetrahydromethanopterin reductase OS=Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1) OX=64091 GN=mer PE=4 SV=1 MGPSGPAVIQGWHGQSFERPLRRTREYIDVVRAVLTGDPVDYDGDLIQTQGFRLRQDAPD PAPAIDVTGMGPKAVELAGRFADGWHALLFTADGIRERLADLRRGMDLGDRDADAVQTTL VVPCCAQPDAAAARDLTRQHLAFYVGGMGEFYRDSLARQGYEAPATDVYDAWQDGDHERA VGLVTDDLLDAFAAAGTQADVRDRLAAFAGIDGVDAVAVSFPRAADNAVIDDTLAAVAPA PAHTP