>tr|Q0PAA7|Q0PAA7_CAMJE Periplasmic nitrate reductase, electron transfer subunit OS=Campylobacter jejuni subsp. jejuni serotype O:2 (strain ATCC 700819 / NCTC 11168) OX=192222 GN=napB PE=3 SV=1 MMKKKLVLLGSAAVVFFAACAMNSGVSSEQIGLRKASLENENKVNLVEANFTTLQPGEST RFERSYENAPPLIPHAIEDLLPITKDNNMCLSCHDKAIAADAGATPLPASHYYDFRHNKT TGDMISDSRFNCTQCHVPQSDAKPLVGNSFKPEFKNEQLKSRSNLIDVINEGVK