>tr|A3MXF5|A3MXF5_PYRCJ Respiratory nitrate reductase beta subunit OS=Pyrobaculum calidifontis (strain DSM 21063 / JCM 11548 / VA1) OX=410359 GN=Pcal_1906 PE=4 SV=1 MRVRAQIAMVMNLDKCIGCHTCSVTCKNVWTNRQGAEYMWWNNVETRPGPGYPRQWENQD KYNGGWALSGGKLVLRVELKKSYKPPGLDDYYHPWTYDYEVLFSETQAEQQPVARPISLV TNEPVDVKYGPNWNDDLAGTEYILEDVNMSETERAVYTQFKDVFMMYLPRICNHCLNPSC LAACPRKAIYKREEDGIVLVDQTRCRGYRYCVAACPYKKVYYNWKTGKSEKCIFCYPRVE AGQPTVCSLTCVGKIRYMGVLLYDADKVLDVAAEPDPKRLVRRFADEVLLDPYDPNVVAA AREAGIPDDWIAAARRSPVYKMVKVWKVAFPLHPEFRTLPMVFYVPPLSPVVTTYENAYG AKITDIMPKVSELRIPIQYLANMFTAGDTALVEQALKKLLAVRIYERAKNVAEPGLAEKA KAALQEAGLSEADAEEMYRLFAIARFEDRFVIPTNPKRYTNQPQVQRGVVGLP