>sp|A8A3I8|NORW_ECOHS Nitric oxide reductase FlRd-NAD(+) reductase OS=Escherichia coli O9:H4 GN=norW MSNGIVIIGSGFAARQLVKNIRKQDASIPLTLIAADSMDEYNKPDLSHVISQGQRADDLT RQTAGEFAEQFNLHLFPQTWVTDIDAEARVVKSQNNQWQYDKLVLATGASAFVPPVPGRE LMLTLNSQQEYRACETQLRDARRVLIVGGGLIGSELAMDFCRAGKAVTLIDNAASILASL MPPEVSSRLQHRLTEMGVHLLLKSQLQGLEKTDSGILATLDRQRSIEVDAVIAATGLRPE TALARRAGLTINRGVCVDSYLQTSNTDIYALGDCAEINGQVLPFLQPIQLSAMVLAKNLL GNNTPLKLPAMLVKIKTPELPLHLAGETQRQDLRWQINTERQGMVARGVDDADQLRAFVV SEDRMKEAFGLLKTLPM