GO:0009344; C:nitrite reductase complex [NAD(P)H]; IDA:EcoCyc.
GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
GO:0050660; F:flavin adenine dinucleotide binding; IDA:EcoCyc.
GO:0020037; F:heme binding; IDA:EcoCyc.
GO:0051536; F:iron-sulfur cluster binding; IDA:EcoCyc.
GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
GO:0050661; F:NADP binding; IDA:EcoCyc.
GO:0008942; F:nitrite reductase [NAD(P)H] activity; IDA:EcoCyc.
GO:0009061; P:anaerobic respiration; IEP:EcoCyc.
GO:0042128; P:nitrate assimilation; IEA:UniProtKB-UniPathway.