Protein
Periplasmic nitrate reductase 1
Organism
Photobacterium profundum (strain SS9)
Function
Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite.
Similarity
Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily.
Sequence
MKMTRRAFVKANAAASAAAVAGITLPASAANLIVSSDETKIKWDKAPCRFCGTGCSVLVGTQNGRVVATQGDPEAPVNKGLNCIKGYFLSKIMYGKDRLQTPMLRMKNGEYNKEGDFAPVSWDQAFDVMAEKFKKALKEKGPTSVGMFGSGQWTVMEGYAASKMMKAGFRSNNIDPNARHCMASAVGGFMRTFGIDEPMGCYDDFEHADSFVLWGSNMAEMHPVLWTRITDRRLSHPHVKVNVLSTYYHRSFELADNGMIFEPQTDLAIANFIANYIIQNDAVNWDFVTKHTHFKRAETDIGYGLRDDNPLQMKAKHPNSGALHPMDFEQYKASVAEYTVEKASQMSGVSEEKLIEMAKQYADPKVKVMSLWTMGMNQHTRGVWMNSLVYNIHLLTGKISQPGNSPFSLTGQPSACGTAREVGTFSHRLPADMVVANPKHRAIAEKIWKLPDGTIPAKPGYHAVQQDRMLKDGKLNAYWVMCNNNMQAGPNINEERLPGYRNPENFIVCSDPYPTVTAQASDLILPTAMWVEKEGAYGNAERRTQAWYQQVKSQGDSKSDLWQLMEFSKRFKIEEVWGEDLLAQMPEYRGKTMYEVLFRNGQVDKFPLSEAQELNDDAKAQGFYLQKGLFEEYAAFGRGHGHDLAPYDVYHQVRGLRWPVVDGKETLWRFVEGSDPYVPEGEGFRFYGKPDGKANIIFAPFEPAPEEPDQEYDMWLCTGRVLEHWHTGTMTRRVPELYKAVPDALCFIHPDDAQKRGLRRGDEVLLESRRGEVRCRVETRGRNRPPVGLVFVPFFDARVLVNKLILDATDPLSKQTDYKKCPIKITKV