| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q12460 | Nucleolar protein 56; Ribosome biosynthesis protein SIK1; Suppressor of I kappa b protein 1; | NOP56; SIK1; YLR197W; | NP_013298.1; | 504 | yeast |
| Q12499 | Nucleolar protein 58; Nucleolar protein 5; | NOP58; NOP5; YOR310C; | NP_014955.1; | 511 | yeast |
| Q07623 | Nucleolar protein 6; | NOP6; YDL213C; | NP_010068.1; | 225 | yeast |
| Q08287 | 60S ribosome subunit biogenesis protein NOP8; Nucleolar protein 8; | NOP8; YOL144W; | NP_014497.1; | 484 | yeast |
| P47077 | Nucleolar protein 9; Pumilio domain-containing protein NOP9; | NOP9; YJL010C; | NP_012524.3; | 666 | yeast |
| P25655 | General negative regulator of transcription subunit 1; Cell division cycle protein 39; | CDC39; NOT1 ROS1; YCR093W; | NP_010017.2; | 2108 | yeast |
| P06100 | General negative regulator of transcription subunit 2; cell division cycle protein 36; | CDC36; DNA19 NOT2; YDL165W; | NP_010116.1; | 191 | yeast |
| P06102 | General negative regulator of transcription subunit 3; | NOT3; YIL038C; | NP_012226.3; | 836 | yeast |
| P34909 | General negative regulator of transcription subunit 4; Modulator of transcription 2; | MOT2; CCL1 NOT4 SIG1 SSF1; YER068W; | NP_010991.3; | 587 | yeast |
| Q12514 | General negative regulator of transcription subunit 5; | NOT5; YPR072W; | NP_015397.1; | 560 | yeast |
| Q12200 | Niemann-Pick type C-related protein 1; | NCR1; YPL006W; | NP_015319.1; | 1170 | yeast |
| Q12408 | Phosphatidylglycerol/phosphatidylinositol transfer protein; PG/PI-TP; NPC2 homolog; | NPC2; YDL046W; | NP_010237.1; | 173 | yeast |
| P33755 | Nuclear protein localization protein 4; HMG-CoA reductase degradation protein 4; | NPL4; HRD4; YBR170C; | NP_009729.1; | 580 | yeast |
| P25353 | Ectonucleotide pyrophosphatase/phosphodiesterase 1; E-NPP 1; EC 3.6.1.9; EC 3.1.4.1; NPPase; | NPP1; YCR026C; | NP_009955.2; | 742 | yeast |
| P39997 | Ectonucleotide pyrophosphatase/phosphodiesterase 2; E-NPP 2; EC 3.6.1.9; EC 3.1.4.1; NPPase; | NPP2; YEL016C; | NP_010900.1; | 493 | yeast |
| P22211 | Nitrogen permease reactivator protein; EC 2.7.11.1; Serine/threonine-protein kinase NPR1; | NPR1; YNL183C; | NP_014216.1; | 790 | yeast |
| P39923 | Nitrogen permease regulator 2; | NPR2; YEL062W; | NP_010852.4; | 615 | yeast |
| P38742 | Nitrogen permease regulator 3; Required for meiotic nuclear division protein 11; | NPR3; RMD11; YHL023C; | NP_011840.1; | 1146 | yeast |
| P39683 | Nicotinate phosphoribosyltransferase; NAPRTase; EC 6.3.4.21; | NPT1; YOR209C; | NP_014852.1; | 429 | yeast |
| P53164 | NADH pyrophosphatase; EC 3.6.1.22; | NPY1; YGL067W; | NP_011448.3; | 384 | yeast |
