| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P33420 | Protein NIP100; Protein NIP80; | NIP100; NIP80; YPL174C; | NP_015151.1; | 868 | yeast |
| P53939 | Protein NIS1; Jumonji domain-interacting protein 1; Neck protein interacting with septins protein 1; | NIS1; JIP1; YNL078W; | NP_014321.3; | 407 | yeast |
| P40447 | Putative nitrilase-like protein NIT1; | NIT1; YIL164C; | NP_012102.1; | 199 | yeast |
| P47016 | Probable hydrolase NIT2; EC 3.5.-.-; | NIT2; YJL126W; | NP_012409.1; | 307 | yeast |
| P49954 | Probable hydrolase NIT3; EC 3.5.-.-; | NIT3; YLR351C; | NP_013455.1; | 291 | yeast |
| Q12493 | Central kinetochore subunit NKP1; Non-essential kinetochore protein 1; | NKP1; YDR383C; | NP_010671.4; | 238 | yeast |
| Q06162 | Central kinetochore subunit NKP2; Non-essential kinetochore protein 2; | NKP2; YLR315W; | NP_013419.1; | 153 | yeast |
| P25382 | Ribosome assembly protein 4; Notchless protein homolog 1; Ribosome biogenesis factor RSA4; | RSA4; YCR072C; | NP_009997.2; | 515 | yeast |
| P53920 | Pro-apoptotic serine protease NMA111; EC 3.4.21.-; 111 kDa nuclear mediator of apoptosis; | NMA111; YNM3; YNL123W; | NP_014276.1; | 997 | yeast |
| Q06178 | Nicotinamide-nucleotide adenylyltransferase 1; EC 2.7.7.1; NAD(+) diphosphorylase 1; NAD(+) pyrophosphorylase 1; NMN adenylyltransferase 1; | NMA1; YLR328W; | NP_013432.1; | 401 | yeast |
| P53204 | Nicotinamide-nucleotide adenylyltransferase 2; EC 2.7.7.1; NAD(+) diphosphorylase 2; NAD(+) pyrophosphorylase 2; NMN adenylyltransferase 2; | NMA2; YGR010W; | NP_011524.1; | 395 | yeast |
| P38798 | Nonsense-mediated mRNA decay protein 2; Up-frameshift suppressor 2; | NMD2; IFS1 SUA1 UPF2; YHR077C; | NP_011944.2; | 1089 | yeast |
| P38861 | 60S ribosomal export protein NMD3; Nonsense-mediated mRNA decay protein 3; | NMD3; YHR170W; | NP_012040.1; | 518 | yeast |
| Q12129 | Nonsense-mediated decay protein 4; | NMD4; YLR363C; | NP_013467.3; | 218 | yeast |
| P46970 | Nonsense-mediated mRNA decay protein 5; Karyopherin-119; | NMD5; KAP119; YJR132W; | NP_012666.2; | 1048 | yeast |
| P14743 | Glycylpeptide N-tetradecanoyltransferase; EC 2.3.1.97; Cell division control protein 72; Myristoyl-CoA:protein N-myristoyltransferase; NMT; Peptide N-myristoyltransferase; | NMT1; CDC72; YLR195C; | NP_013296.1; | 455 | yeast |
| P47149 | Kinetochore-associated protein NNF1; | NNF1; YJR112W; | NP_012646.3; | 201 | yeast |
| P53253 | Protein NNF2; | NNF2; YGR089W; | NP_011603.1; | 936 | yeast |
| P36003 | Nitrogen network kinase 1; EC 2.7.11.1; | NNK1; YKL171W; | NP_012750.1; | 928 | yeast |
| P36059 | ATP-dependent (S)-NAD(P)H-hydrate dehydratase; EC 4.2.1.93; ATP-dependent NAD(P)HX dehydratase; | YKL151C; | NP_012771.1; | 337 | yeast |
