| NAD-dependent protein deacylase 1 (EC 3.5.1.-) (Regulatory protein SIR2 homolog 1) | cobB1 PA1125 | Q9I4L0 | 1 |
| NAD-glutamate dehydrogenase | B195_15272 | M5QWU8 | 1 |
| NAD-specific glutamate dehydrogenase (EC 1.4.1.2) | KW89_2083 | A0A0K2DYX4 | 1 |
| NAD-specific glutamate dehydrogenase (NAD-GDH) (EC 1.4.1.2) | gluD gudB MW0840 | Q7A1B9 | 1 |
| NAD-specific glutamate dehydrogenase (NAD-GDH) (EC 1.4.1.2) | gluD | P27346 | 1 |
| NAD-specific glutamate dehydrogenase (NAD-GDH) (EC 1.4.1.2) (Surface-associated protein PGAG1) | gdh PGN_1367 | B2RKJ1 | 1 |
| NAD-specific glutamate dehydrogenase (NAD-GDH) (EC 1.4.1.2) (Surface-associated protein PGAG1) | gdh PG_1232 | P0C934 | 1 |
| NAD/NADP-dependent betaine aldehyde dehydrogenase (BADH) (EC 1.2.1.8) | betB B195_14335 | M5QI01 | 1 |
| NAD/NADP-dependent betaine aldehyde dehydrogenase (BADH) (EC 1.2.1.8) | betB PA5373 | Q9HTJ1 | 1 |
| NAD/NADP-dependent betaine aldehyde dehydrogenase (BADH) (EC 1.2.1.8) | betB VSAK1_20409 | A6CY59 | 1 |
| NADH dehydrogenase | ndh FTN_0912 | A0Q6D5 | 1 |
| NADH dehydrogenase | ndh PA4538 | Q9HVN9 | 1 |
| NADH dehydrogenase (EC 1.12.1.2) | OOM_1816 | I2B160 | 1 |
| NADH dehydrogenase (EC 1.6.99.3) (Alkyl hydroperoxide reductase) | ahpF ndh BSU40100 | P42974 | 1 |
| NADH dehydrogenase (Quinone) (EC 1.6.99.5) | OOM_0538 | I2AY11 | 1 |
| NADH dehydrogenase I, L subunit | MXAN_1082 | Q1DDD1 | 1 |
| NADH dehydrogenase I, M subunit | MXAN_1081 | Q1DDD2 | 1 |
| NADH dehydrogenase II | HPSD74_1017 | U4SI60 | 1 |
| NADH dehydrogenase subunit II-related protein | VSAK1_12662 | A6D7Z0 | 1 |
| NADH dehydrogenase, FAD-containing subunit (Fragment) | VSAK1_03887 | A6D9B8 | 1 |
| NADH dehydrogenase-like protein MW0823 (EC 1.6.99.-) | MW0823 | Q8NXG0 | 1 |
| NADH dehydrogenase-like protein SAOUHSC_00878 (EC 1.6.99.-) | SAOUHSC_00878 | Q2FZV7 | 1 |
| NADH Oxidase (EC 1.6.-.-) | nox SPy_1150 | Q99ZN6 | 1 |
| NADH oxidoreductase I | nuoG jhp_1187 | Q9ZJW1 | 1 |
| NADH-dependent butanol dehydrogenase B | VSAK1_16152 | A6CYU8 | 1 |
| NADH-quinone oxidoreductase (EC 1.6.5.11) | Fphi_0935 | B0TWQ0 | 1 |
| NADH-quinone oxidoreductase (EC 1.6.5.11) | nuoG KPR_2033 | R4Y7F5 | 1 |
| NADH-quinone oxidoreductase (EC 1.6.5.11) | OOM_0532 | I2AY05 | 1 |
| NADH-quinone oxidoreductase (EC 1.6.5.11) | nuoG FTT_0037 | Q5NIM9 | 1 |
| NADH-quinone oxidoreductase subunit A (EC 1.6.5.11) (NADH dehydrogenase I subunit A) (NDH-1 subunit A) (NUO1) | nuoA OOM_0527 | I2AY00 | 1 |
| NADH-quinone oxidoreductase subunit A (EC 1.6.5.11) (NADH dehydrogenase I subunit A) (NDH-1 subunit A) (NUO1) | nuoA FTT_0031 | Q5NIN5 | 1 |
| NADH-quinone oxidoreductase subunit B (EC 1.6.5.11) (NADH dehydrogenase I subunit B) (NDH-1 subunit B) (NUO2) | nuoB b2287 JW5875 | P0AFC7 | 1 |
| NADH-quinone oxidoreductase subunit C (EC 1.6.5.11) (NADH dehydrogenase I subunit C) (NDH-1 subunit C) | nuoC MXAN_2730 | Q1D8S6 | 1 |
| NADH-quinone oxidoreductase subunit C (EC 1.6.5.11) (NADH dehydrogenase I subunit C) (NDH-1 subunit C) | nuoC OOM_0529 | I2AY02 | 1 |
| NADH-quinone oxidoreductase subunit C (EC 1.6.5.11) (NADH dehydrogenase I subunit C) (NDH-1 subunit C) | nuoC FTT_0033 | Q5NIN3 | 1 |
| NADH-quinone oxidoreductase subunit C/D (EC 1.6.5.11) (NADH dehydrogenase I subunit C/D) (NDH-1 subunit C/D) | nuoC nuoCD nuoD SCH_2326 | Q57M30 | 1 |
| NADH-quinone oxidoreductase subunit D (EC 1.6.5.11) (NADH dehydrogenase I subunit D) (NDH-1 subunit D) | nuoD Smlt3402 | B2FNX6 | 1 |
| NADH-quinone oxidoreductase subunit D (EC 1.6.5.11) (NADH dehydrogenase I subunit D) (NDH-1 subunit D) | nuoD FTT_0034 | Q5NIN2 | 1 |
| NADH-quinone oxidoreductase subunit E (EC 1.6.5.11) (NADH dehydrogenase I subunit E) (NDH-1 subunit E) | nuoE PA2640 | Q9I0J8 | 1 |
| NADH-quinone oxidoreductase subunit F (EC 1.6.5.11) | OOM_0531 | I2AY04 | 1 |
| NADH-quinone oxidoreductase subunit F (EC 1.6.5.11) | nuoF FTT_0036 | Q5NIN0 | 1 |
| NADH-quinone oxidoreductase subunit F (EC 1.6.5.11) (NADH dehydrogenase I subunit F) (NDH-1 subunit F) (NUO6) | nuoF b2284 JW2279 | P31979 | 1 |
| NADH-quinone oxidoreductase subunit G (EC 1.6.5.11) (NADH dehydrogenase I subunit G) (NDH-1 subunit G) (NUO7) | nuoG b2283 JW2278 | P33602 | 1 |
| NADH-quinone oxidoreductase subunit H (EC 1.6.5.11) (NADH dehydrogenase I subunit H) (NDH-1 subunit H) | nuoH PP_4125 | Q88FH1 | 1 |
| NADH-quinone oxidoreductase subunit H (EC 1.6.5.11) (NADH dehydrogenase I subunit H) (NDH-1 subunit H) | nuoH PA2643 | Q9I0J5 | 1 |
| NADH-quinone oxidoreductase subunit H (EC 1.6.5.11) (NADH dehydrogenase I subunit H) (NDH-1 subunit H) | nuoH FTT_0038 | Q5NIM8 | 1 |
| NADH-quinone oxidoreductase subunit I (EC 1.6.5.11) (NADH dehydrogenase I subunit I) (NDH-1 subunit I) | nuoI Fphi_0937 | B0TWQ2 | 1 |
| NADH-quinone oxidoreductase subunit I (EC 1.6.5.11) (NADH dehydrogenase I subunit I) (NDH-1 subunit I) | nuoI FTN_1672 | A0Q8G4 | 1 |
| NADH-quinone oxidoreductase subunit I (EC 1.6.5.11) (NADH dehydrogenase I subunit I) (NDH-1 subunit I) | nuoI OOM_0534 | I2AY07 | 1 |
| NADH-quinone oxidoreductase subunit I (EC 1.6.5.11) (NADH dehydrogenase I subunit I) (NDH-1 subunit I) | nuoI FTT_0039 | Q5NIM7 | 1 |
| NADH-quinone oxidoreductase subunit M (EC 1.6.5.11) (NADH dehydrogenase I subunit M) (NDH-1 subunit M) | nuoM PA2648 | Q9I0J0 | 1 |
| NADH-quinone oxidoreductase subunit N (EC 1.6.5.11) (NADH dehydrogenase I subunit N) (NDH-1 subunit N) | nuoN PP_4131 | Q88FG5 | 1 |
| NADH-quinone oxidoreductase subunit N (EC 1.6.5.11) (NADH dehydrogenase I subunit N) (NDH-1 subunit N) | nuoN Smlt3392 | B2FN93 | 1 |
| NADH-quinone oxidoreductase, E subunit (EC 1.6.99.5) | nuoE FSU_2664 | C9RJJ9 | 1 |
| NADH:flavin oxidoreductase / NADH oxidase family protein | YPO2379 | Q74TJ1 | 1 |
| NADH:flavin oxidoreductase/NADH oxidase | B195_06140 | M5QLY0 | 1 |
| NADH:ubiquinone oxidoreductase, membrane subunit L (EC 1.6.5.11) | nuoL PP_4129 | Q88FG7 | 1 |
| NADP-dependent 3-hydroxy acid dehydrogenase YdfG (L-allo-threonine dehydrogenase) (EC 1.1.1.381) (Malonic semialdehyde reductase) (EC 1.1.1.298) | ydfG b1539 JW1532 | P39831 | 1 |
| NADP-dependent 7-alpha-hydroxysteroid dehydrogenase | CP4_3572 | F8UNN1 | 1 |
| NADP-dependent alcohol dehydrogenase C (EC 1.1.1.2) | adhC adh Rv3045 MTV012.60 | P9WQC5 | 1 |
| NADP-dependent malic enzyme (NADP-ME) (EC 1.1.1.40) | maeB STM2472 | Q9ZFV8 | 1 |
| NADP-dependent malic enzyme, putative | SAOUHSC_01810 | Q2FXM5 | 1 |
| NADPH-dependent 7-cyano-7-deazaguanine reductase (EC 1.7.1.13) (7-cyano-7-carbaguanine reductase) (NADPH-dependent nitrile oxidoreductase) (PreQ(0) reductase) | queF YPO1034 y3147 YP_2817 | Q8ZH75 | 1 |
| NADPH-dependent 7-cyano-7-deazaguanine reductase (EC 1.7.1.13) (7-cyano-7-carbaguanine reductase) (NADPH-dependent nitrile oxidoreductase) (PreQ(0) reductase) | queF SSON_2951 | Q3YY62 | 1 |
| NADPH-dependent 7-cyano-7-deazaguanine reductase (EC 1.7.1.13) (7-cyano-7-carbaguanine reductase) (NADPH-dependent nitrile oxidoreductase) (PreQ(0) reductase) | queF ykvM BSU13750 | O31678 | 1 |
| NADPH-dependent FMN reductase | FTN_0471 | A0Q557 | 1 |
| NADPH:quinone reductase | B195_00910 | M5QQX1 | 1 |
| Ndh protein | SC1083_0786 | G4A7J0 | 1 |
| Neuraminidase | SP70585_1731 | C1C8T0 | 1 |
| Neuraminyllactose-binding hemagglutinin (Flagellar sheath adhesin) (N-acetylneuraminyllactose-binding fibrillar hemagglutinin receptor-binding subunit) (NLBH) | hpaA jhp_0733 | Q9ZL47 | 1 |
| NgoPII restriction endonuclease family protein | HPSD74_1115 | U4SIF5 | 1 |
| NH(3)-dependent NAD(+) synthetase (EC 6.3.1.5) | nadE SPy_1652 M5005_Spy1357 | Q99YK9 | 1 |
| Ni/Fe-hydrogenase B-type cytochrome subunit | hydC Cj1265c | Q0P8Z1 | 1 |
| Nickel transport system permease protein NikC | nikC b3478 JW3443 | P0AFA9 | 1 |
| Nickel-cobalt-cadmium resistance protein (NccB) | HP_0970 | O25623 | 1 |
| Nicotinamide-nucleotide adenylyltransferase (EC 2.7.7.1) | HPSD74_1862 | U4SCK7 | 1 |
| Nicotinate phosphoribosyltransferase | pncB HPSD74_1740 | U4SBQ2 | 1 |
| Nicotinate phosphoribosyltransferase (EC 6.3.4.21) | SPy_1653 | Q99YK8 | 1 |
| Nicotinate phosphoribosyltransferase (NAPRTase) (EC 6.3.4.21) | pncB NMB1505 | Q9JYM9 | 1 |
| Nicotinate phosphoribosyltransferase 1 (NAPRTase 1) (EC 6.3.4.21) | pncB1 PA4919 | Q9HUP4 | 1 |
| Nicotinate-nucleotide pyrophosphorylase [carboxylating] (EC 2.4.2.19) (Quinolinate phosphoribosyltransferase [decarboxylating]) (QAPRTase) | nadC Rv1596 MTCY336.08c | P9WJJ7 | 1 |
| Nicotinate-nucleotide pyrophosphorylase [carboxylating] (EC 2.4.2.19) (Quinolinate phosphoribosyltransferase [decarboxylating]) (QAPRTase) | nadC PA4524 | P30819 | 1 |
| Nicotine adenine dinucleotide glycohydrolase | nga SPy_0165 | Q7DAN2 | 1 |
| NisK | SP70585_1289 | C1C7K5 | 1 |
| Nitrate reductase (EC 1.7.99.4) | napA HPSD74_1775 | U4SCZ8 | 1 |
| Nitrate reductase 1, alpha subunit | narG KPN_02214 | A6TAL9 | 1 |
| Nitrate reductase 1, alpha subunit | narG SCH_1758 | Q57NP7 | 1 |
| Nitrate-inducible formate dehydrogenase, beta subunit | fdnH PA4811 | Q9HUZ8 | 1 |
| Nitrate/nitrite sensor protein NarX (EC 2.7.13.3) | narX narR b1222 JW1213 | P0AFA2 | 1 |
| Nitric oxide reductase subunit C (NOR small subunit) (Nitric oxide reductase cytochrome c subunit) | norC PA0523 | Q59646 | 1 |
| Nitrogen regulatory protein (Enzyme IIA-NTR) [Includes: Phosphotransferase enzyme IIA component (EC 2.7.1.-) (PTS system EIIA component)] | ptsN PA4464 | Q9HVV4 | 1 |
| Nitroreductase-family protein | CD630_11250 | Q18AY4 | 1 |
| NLP/P60 family protein | PG_0740 | Q7MW94 | 1 |
| NLPA lipoprotein | B195_00300 | M5R4T9 | 1 |
| Non-haem iron protein | rrc Cj0012c | Q0PCB3 | 1 |
| Non-ribosomal peptide synthase | MXAN_4414 | Q1D438 | 1 |
| Non-ribosomal peptide synthase | MXAN_3634 | Q1D6A2 | 1 |
| Non-ribosomal peptide synthase/polyketide synthase | MXAN_3635 | Q1D6A1 | 1 |
| Non-ribosomal peptide synthetase | MXAN_3636 | Q1D6A0 | 1 |
| Non-ribosomal peptide synthetase/polyketide synthase | MXAN_3779 | Q1D5W2 | 1 |