1999525 Pnap_1025 PF01152 1999832 Pnap_1326 nirK 2002512 Pnap_3969 PF10006 2002513 Pnap_3970 nnrS 1999834 Pnap_1328 norB 1999835 Pnap_1329 PF10006 1999833 Pnap_1327 nsrR