Term Name:	formyl-methanofuran dehydrogenase (tungsten enzyme) complex
Synonyms:
Definition:	A protein complex consisting of four polypeptides which also contains tungsten, a molybdopterin guanine dinucleotide, and iron-sulfur clusters. This protein complex catalyzes the reversible conversion of CO2 and methanofuran to formylmethanofuran during methanogenesis.
Ontology:	GO: Cellular Component [GO:0044675]    QuickGO    AmiGO