>sp|A5EZX9|NAPA_VIBC3 Periplasmic nitrate reductase OS=Vibrio cholerae serotype O1 GN=napA MKMTRRAFVKANAAASAAAVAGITLPASATNLIASSDQTAIHWDKAPCRFCGTGCSVLVG TQDGRVVATQGDPEAPVNKGLNCIKGYFLSKIMYGQDRLKTPLLRMKDGQYHKDGEFTPV SWDTAFDVMAEKWKASLKTKGPTSVGMFGSGQWTVMEGYAAVKLMKAGFRSNNIDPNARH CMASAVVGFMRTFGIDEPMGCYDDFEHADAFVLWGSNMAEMHPVLWTRITDRRLSHPHVK VNVLSTYYHRSFELADHGYIFHPQSDLAIANFIANYIIQNDAVNWDFVNKHTHFKQAVTD IGYGLRDDHPLQKKAKNANSGDVSDISFEEYKKSVAPYTVEKASEISGVSPDKLITLAKQ YADPNTKVMSLWTMGMNQHTRGVWMQSLVYNLHLLTGKIATPGNSPFSLTGQPSACGTAR EVGTFAHRLPADMVVANPKHRAIAEKVWKLPEGTIPEKPGFHAVQQDRMLKDGVLNCYWV QCNNNMQAGPNINEERLPGYRNPENFIVVSDAYPTVTAQAADLVLPTAMWVEKEGAYGNA ERRTQVWYQQVKTVGESHSDSWQVIEFSKRFKVEDVWPEELLAKAPQYRGKTLYDVLFKN GQVDKFPLSEARELNDDAHHFGFYIQKGLFEEYAEFGRGHGHDLAPYDVYHQVRGLRWPV VDGKETKWRFKEGSDPYAKAGSGWDFYGKPDGKAWIISSPYEAPPEMPNEEYDLWLCTGR VLEHWHTGTMTRRVPELYKAVPDALCFMHHEDAQARGLRRGDEVLISNSRGEVRVRVETR GRNKPPKGLVFVPFFDARILVNKLILDATDPLSKQTDFKKCPVKITKVA