One-carbon metabolism

hypothetical protein (RefSeq)
putative ligase (ygfA) (RefSeq)
tetrahydromethanopterin synthesis protein (RefSeq)
N(5),N(10)-methenyltetrahydromethanopterin cyclohydrolase (methenyl-H4MPT cyclohydrolase) (RefSeq)
formyltransferase/hydrolase complex Fhc subunit D (RefSeq)