>4YT2_1|Chains A, B|H(2)-forming methylenetetrahydromethanopterin dehydrogenase-related protein MJ1338|Methanocaldococcus jannaschii (2190) KVDNMKVSVYGAGNQNLYINKLNLPEKFGGEPPYGGSRMAIEFAEAGHDVVLAEPNKNIMSDDLWKKVEDAGVKVVSDDVEAAKHGEIHVLFTPFGKATFRIAKTIIEHVPENAVICNTCTVSPVVLYYSLEPILRTKRKDVGISSMHPAAVPGTPQHGHYVIGGKTTDGKELATEEQIKKAVELAKSAGKEAYVVPADVSSVVADMGSLVTAVALSGVLDYYTVGRKIINAPKKMIEQQVIMTLQTMASLVETSGIEGMVKALNPELLIRSASSMKLLDRQKDLDAALEILQNLDETLKAEVEKAEIKPTTLVAAQSLVKEIKTLIGGAAAEGAIKRSARKLFEH