| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q66HD3 | Nuclear autoantigenic sperm protein; NASP; | Nasp; | NP_001005543.1;XP_006238708.1;XP_008762215.1; | 776 | rat |
| D3ZVU9 | N-acetylaspartate synthetase; NAA synthetase; N-acetyltransferase 8-like protein; EC 2.3.1.17; | Nat8l; | NP_001178610.1; | 299 | rat |
| Q9QXT3 | N-acetyltransferase 8; EC 2.3.1.-; Acetyltransferase 2; ATase2; Camello-like protein 4; Cysteinyl-conjugate N-acetyltransferase; CCNAT; EC 2.3.1.80; | Nat8; Cml4; | NP_072157.1;XP_006236851.1;XP_006236852.1; | 222 | rat |
| Q5EB81 | NADH-cytochrome b5 reductase 1; b5R.1; EC 1.6.2.2; | Cyb5r1; | NP_001013144.1; | 305 | rat |
| Q6AY12 | NADH-cytochrome b5 reductase 2; b5R.2; EC 1.6.2.2; | Cyb5r2; | NP_001014266.1; | 276 | rat |
| P20070 | NADH-cytochrome b5 reductase 3; B5R; Cytochrome b5 reductase; EC 1.6.2.2; Diaphorase-1; [Cleaved into: NADH-cytochrome b5 reductase 3 membrane-bound form; NADH-cytochrome b5 reductase 3 soluble form]; | Cyb5r3; Dia1; | NP_620232.1;XP_006242127.1; | 301 | rat |
| Q68EJ0 | Cytochrome b5 reductase 4; EC 1.6.2.2; Flavohemoprotein b5/b5R; b5+b5R; N-terminal cytochrome b5 and cytochrome b5 oxidoreductase domain-containing protein; cb5/cb5R; | Cyb5r4; Ncb5or; | NP_596918.3;XP_008764659.1; | 520 | rat |
| Q06880 | Neuroblastoma suppressor of tumorigenicity 1; N03; Zinc finger protein DAN; | Nbl1; Dan; | NP_113797.1; | 178 | rat |
| Q9JIL9 | Nibrin; Nijmegen breakage syndrome protein 1 homolog; | Nbn; Nbs1; | NP_620228.1; | 750 | rat |
| Q501R9 | Next to BRCA1 gene 1 protein; Neighbor of BRCA1 gene 1 protein; | Nbr1; | NP_001019936.1; | 983 | rat |
| A0JPP1 | Dr1-associated corepressor; Dr1-associated protein 1; Negative cofactor 2-alpha; NC2-alpha; | Drap1; | NP_001071136.1; | 205 | rat |
| Q5XI68 | Protein Dr1; Down-regulator of transcription 1; Negative cofactor 2-beta; NC2-beta; TATA-binding protein-associated phosphoprotein; | Dr1; | NP_001011914.1;XP_003751365.1; | 176 | rat |
| Q5PQN0 | Neurocalcin-delta; | Ncald; | NP_001019542.1;XP_008763678.1; | 193 | rat |
| P13596 | Neural cell adhesion molecule 1; N-CAM-1; NCAM-1; CD antigen CD56; | Ncam1; Ncam; | NP_113709.1; | 858 | rat |
| P55067 | Neurocan core protein; 245 kDa early postnatal core glycoprotein; Chondroitin sulfate proteoglycan 3; [Cleaved into: 150 kDa adult core glycoprotein]; | Ncan; Cspg3; | NULL | 1257 | rat |
| Q56A27 | Nuclear cap-binding protein subunit 1; 80 kDa nuclear cap-binding protein; CBP80; NCBP 80 kDa subunit; | Ncbp1; Cbp80; | NP_001014785.1; | 790 | rat |
| B1WC40 | Nuclear cap-binding protein subunit 2; 20 kDa nuclear cap-binding protein; NCBP 20 kDa subunit; CBP20; | Ncbp2; Cbp20; | NP_001102995.1; | 156 | rat |
| O35095 | Neurochondrin; Neurite outgrowth-related protein from the rat brain; Norbin; | Ncdn; | NP_445995.2; | 729 | rat |
| B2GV54 | Neutral cholesterol ester hydrolase 1; NCEH; EC 3.1.1.-; Arylacetamide deacetylase-like 1; | Nceh1; Aadacl1; | NP_001120996.1; | 408 | rat |
| A7E3N2 | Neutrophil cytosol factor 2; NCF-2; Neutrophil NADPH oxidase factor 2; | Ncf2; | NP_001094454.1; | 527 | rat |
