>sp|P0A230|NIRD_SALTI Nitrite reductase (NADH) small subunit OS=Salmonella typhi GN=nirD MSQWQNICKIDDILPGTGVCALSGGEQVAIFRPYHSDQVFAISNIDPFFEASVLSRGLIA EHQGELWVASPLKKQRFRLSDGLCMEDEQFSVKHYDARVKDGVVQLRG