has part denitrification pathway https://github.com/geneontology/go-ontology/issues/27221 https://github.com/geneontology/go-ontology/issues/31634 The reduction of nitrate to dinitrogen by four reduction reactions: nitrate reduced to nitrite, then to nitric oxide, then to nitrous oxide, and finally to dinitrogen. kegg.module:M00529 biological_process MetaCyc:PWY-7084 GO:0019333 MetaCyc:DENITRIFICATION-PWY MetaCyc:PWY-6748 nitrous-oxide reductase activity nitrogen cycle metabolic process