>tr|U9ZX33|U9ZX33_ECOLX Nitric oxide reductase FlRd-NAD(+) reductase OS=Escherichia coli 909945-2 GN=norW MSNGIVIIGSGFAARQLVKNIRKQDATIPLTLIAADSMDEYNKPDLSHVISQGQRADDLT RQTAGEFAEQFNLHLFPQTWVTDIDAEARVVKSQNNQWQYDKLVLATGASAFVPPVPGRE LMLTLNSQQEYRACETQLRDARRVLIVGGGLIGSELAMDFCRAGKAVTLIDNAASILASL MPPEVSSRLQHRLTEMGVHLLLKSQLQGLEKTDSGIQATLDRQRNIEVDAVIAATGLRPE TALARRAGLTINRGVCVDSYLQTSNTDIYALGDCAEINGQVLPFLQPIQLSAMVLAKNLL GNNTPLKLPAMLVKIKTPELPLHLAGETQRQDLRWQINTERQGMVARGVDDADQLRAFVV SEDRMKEAFGLLKTLPM