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N-acetyl-beta-D-glucosaminidase (O-GlcNAcase) [ 129 ] [ 3D ]	N-acetyllactosaminide alpha-1,3-galactosyltransferase [ 129 ] [ 3D ]
N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase 3 [ 2 ] [ 3D ]	n-AChR [ 2 ] [ 3D ]
N-acylethanolamine acid amidase (NAAA) [ 41 ] [ 3D ]	N-acylethanolamine-hydrolyzing acid amidase (NAAA) [ 41 ] [ 3D ]
N-acylneuraminate-9-phosphatase [ 4 ] [ 3D ]	N-acylsphingosine-amidohydrolase [ 4 ] [ 3D ]
N-arachidonyl glycine receptor [ 36 ] [ 3D ]	N-lysine methyltransferase SETD6 (SETD6) [ 36 ] [ 3D ]
N-lysine methyltransferase SMYD2 [ 19 ] [ 3D ]	N-methyl D-aspartate receptor subtype 2B (NMDA)(NR2B) [ 19 ] [ 3D ]
N-myristoyltransferase (NMT1) [ 506 ] [ 3D ]	N-terminal nucleophile hydrolase (PVdQ) [ 506 ] [ 3D ]
N-type calcium channel subunits alpha 1B (Cav2.2), Beta 3, and Alpha 2 Delta [ 45 ] [ 3D ]	N1L [ 45 ] [ 3D ]
Na(+)/H(+) antiporter nhaA [ 1 ] [ 3D ]	Na+/H+ exchanger regulatory factor-1 PDZ domain (PDZ1) [ 1 ] [ 3D ]
Na+/H+ exchanger regulatory factor-1 PDZ domain (PDZ2) [ 7 ] [ 3D ]	Na,K-ATPase α1β1 [ 7 ] [ 3D ]
Na,K-ATPase α2β1 [ 18 ] [ 3D ]	Na,K-ATPase isoform alpha-1 (α1) [ 18 ] [ 3D ]
Na/K-ATPase [ 46 ] [ 3D ]	NAALADase II [ 46 ] [ 3D ]
nAChR alpha4 beta2 subtype [ 16 ] [ 3D ]	NACHT, LRR and PYD domains-containing protein 1 isoform 1 [ 16 ] [ 3D ]
NACHT, LRR and PYD domains-containing protein 3 [ 3 ] [ 3D ]	NAD kinase [ 3 ] [ 3D ]
NAD kinase (NADK) [ 3 ] [ 3D ]	NAD kinase 1 (NADK1) [ 3 ] [ 3D ]
NAD synthetase [ 4 ] [ 3D ]	NAD-dependent deacetylase HST2 [ 4 ] [ 3D ]
NAD-dependent deacetylase sirtuin 2 [ 638 ] [ 3D ]	NAD-Dependent Deacetylase Sirtuin-1 [ 638 ] [ 3D ]
NAD-dependent histone deacetylase SIR2 [ 33 ] [ 3D ]	NAD-dependent protein deacetylase sirtuin-3 (SIRT3) [ 33 ] [ 3D ]
NAD-dependent protein deacetylase sirtuin-5 (SIRT5) [ 36 ] [ 3D ]	NAD-dependent protein deacetylase sirtuin-7 (SIRT7) [ 36 ] [ 3D ]
NADH-ubiquinone oxidoreductase [ 36 ] [ 3D ]	NADH-ubiquinone oxidoreductase MLRQ subunit [ 36 ] [ 3D ]
NADH-ubiquinone oxidoreductase subunit B14.7 [ 2 ] [ 3D ]	NADP-dependent leukotriene B4 12-hydroxydehydrogenase [ 2 ] [ 3D ]
NADP-dependent malic enzyme [ 11 ] [ 3D ]	NADPH oxidase 1 [ 11 ] [ 3D ]
NADPH oxidase 2 (NOX2) [ 62 ] [ 3D ]	NADPH oxidase 4 [ 62 ] [ 3D ]
NADPH oxidase 5 [ 17 ] [ 3D ]	NADPH-dependent enoyl-ACP reductase (FabI) [ 17 ] [ 3D ]
NanoLuc luciferase (Nluc) [ 47 ] [ 3D ]	Natural resistance-associated macrophage protein 1 [ 47 ] [ 3D ]
Natural resistance-associated macrophage protein 2 [ 48 ] [ 3D ]	Nck adaptor protein 1 [ 48 ] [ 3D ]
NCOA2 protein [ 348 ] [ 3D ]	NEDD8-activating enzyme E1 regulatory subunit [ 348 ] [ 3D ]
NEK1 [ 2 ] [ 3D ]	NEK9 [ 2 ] [ 3D ]
Neprilysin [ 758 ] [ 3D ]	Neural Wiskott-Aldrich syndrome protein [ 758 ] [ 3D ]
Neuraminidase [ 172 ] [ 3D ]	Neuraminidase (NA) [ 172 ] [ 3D ]
Neuraminidase A [ 373 ] [ 3D ]	Neuraminidase A (NanA) [ 373 ] [ 3D ]
Neuraminidase B [ 241 ] [ 3D ]	Neuraminidase B (NanB) [ 241 ] [ 3D ]
Neuraminidase C (NanC) [ 1 ] [ 3D ]	Neuraminidase N1 [ 1 ] [ 3D ]
Neuraminidase N3 [ 1 ] [ 3D ]	Neurogenic locus notch homolog protein 2 [ 1 ] [ 3D ]
Neurogenic locus notch homolog protein 4 [ 1 ] [ 3D ]	Neurokinin 1 receptor [ 1 ] [ 3D ]
Neurokinin 2 receptor [ 970 ] [ 3D ]	Neurokinin 3 receptor [ 970 ] [ 3D ]
Neuromedin B [ 16 ] [ 3D ]	Neuromedin-K receptor [ 16 ] [ 3D ]
Neuromedin-U receptor 1 [ 6 ] [ 3D ]	Neuromedin-U receptor 2 [ 6 ] [ 3D ]
Neuronal acetylcholine receptor [ 1481 ] [ 3D ]	Neuronal acetylcholine receptor protein alpha-10/alpha-9 subunit [ 1 ] [ 3D ]
Neuronal acetylcholine receptor protein alpha-2 subunit/subunit beta-4 [ 12 ] [ 3D ]	Neuronal acetylcholine receptor protein alpha-2/beta-2 subunit [ 12 ] [ 3D ]
Neuronal acetylcholine receptor protein alpha-2/beta-4 subunit [ 20 ] [ 3D ]	Neuronal acetylcholine receptor protein alpha-3/beta-2 subunit [ 20 ] [ 3D ]
Neuronal acetylcholine receptor protein alpha-3/beta-4 subunit [ 279 ] [ 3D ]	Neuronal acetylcholine receptor protein alpha-4/beta-2 subunit [ 279 ] [ 3D ]
Neuronal acetylcholine receptor protein alpha-4/beta-4 subunit [ 82 ] [ 3D ]	Neuronal acetylcholine receptor protein alpha-6 subunit [ 82 ] [ 3D ]
Neuronal acetylcholine receptor protein alpha-7 subunit [ 868 ] [ 3D ]	Neuronal acetylcholine receptor protein alpha-9 subunit [ 868 ] [ 3D ]
Neuronal acetylcholine receptor protein beta-2 subunit/protein beta-3 subunit/subunit alpha-3/subunit alpha-6 [ 2 ] [ 3D ]	Neuronal acetylcholine receptor subunit alpha-2 [ 2 ] [ 3D ]
Neuronal acetylcholine receptor subunit alpha-3 [ 53 ] [ 3D ]	Neuronal acetylcholine receptor subunit alpha-4 [ 53 ] [ 3D ]
Neuronal acetylcholine receptor subunit alpha-4 beta 2 [ 11 ] [ 3D ]	Neuronal acetylcholine receptor subunit alpha-7 [ 11 ] [ 3D ]
Neuronal acetylcholine receptor subunit beta-2 [ 20 ] [ 3D ]	Neuronal acetylcholine receptor subunit beta-4 [ 20 ] [ 3D ]
Neuronal acetylcholine receptor; alpha2/beta2 [ 22 ] [ 3D ]	neuronal munc18-1 binding protein [ 22 ] [ 3D ]
Neuronal proto-oncogene tyrosine-protein kinase Src [ 15 ] [ 3D ]	Neuropeptide FF receptor 1 [ 15 ] [ 3D ]
Neuropeptide FF receptor 2 [ 85 ] [ 3D ]	Neuropeptide S receptor [ 85 ] [ 3D ]
Neuropeptide Y [ 8 ] [ 3D ]	Neuropeptide Y receptor type 1 [ 8 ] [ 3D ]
Neuropeptide Y receptor type 2 [ 721 ] [ 3D ]	Neuropeptide Y receptor type 4 [ 721 ] [ 3D ]
Neuropeptide Y receptor type 5 [ 61 ] [ 3D ]	Neuropeptide Y receptor type 5 ( NPY Y5) [ 61 ] [ 3D ]
Neuropeptide Y receptor type 5 (NPY Y5) [ 174 ] [ 3D ]	Neuropeptide Y-Y2 receptor [ 174 ] [ 3D ]
neuropeptides B/W receptor 1 [ 325 ] [ 3D ]	Neuropeptides B/W receptor type 1 [ 325 ] [ 3D ]
Neuropilin-1 [ 63 ] [ 3D ]	Neurotensin receptor [ 63 ] [ 3D ]
Neurotensin receptor 1 [ 101 ] [ 3D ]	Neurotensin receptor 2 [ 101 ] [ 3D ]
Neurotensin receptor 3 [ 43 ] [ 3D ]	Neurotensin receptor type 1 (NTSR1-H4) [ 43 ] [ 3D ]
Neurotrophic tyrosine kinase receptor [ 1690 ] [ 3D ]	Neurotrophic tyrosine kinase receptor type 2 [ 1 ] [ 3D ]
Neurotrophic tyrosine kinase, receptor, type 2 [ 2 ] [ 3D ]	Neutral alpha-glucosidase AB [ 2 ] [ 3D ]
Neutral alpha-glucosidase C [ 10 ] [ 3D ]	Neutral amino acid transporter B(0) [ 10 ] [ 3D ]
Neutral ceramidase [ 3 ] [ 3D ]	Neutral cholesterol ester hydrolase 1 [ 3 ] [ 3D ]
Neutral endopeptidase (NEP) [ 472 ] [ 3D ]	Neutral sphingomyelinase [ 472 ] [ 3D ]
neutrophil cytosolic factor 1 [ 1015 ] [ 3D ]	Neutrophil elastase [ 1 ] [ 3D ]
NF-kappa-beta-inducing kinase (NF-kB) [ 648 ] [ 3D ]	NGF [ 648 ] [ 3D ]
NH(3)-dependent NAD(+) synthetase [ 51 ] [ 3D ]	Nicotinamidase (BbNic) [ 51 ] [ 3D ]
Nicotinamidase (CePNC1) [ 4 ] [ 3D ]	Nicotinamidase (CePNC2) [ 4 ] [ 3D ]
Nicotinamidase (Pnc1) [ 8 ] [ 3D ]	Nicotinamidase (PncA) [ 8 ] [ 3D ]
Nicotinamidase (SpNic) [ 10 ] [ 3D ]	Nicotinamide adenine dinucleotide synthetase (NADs) [ 10 ] [ 3D ]
Nicotinamide N-methyltransferase (NNMT) [ 8 ] [ 3D ]	Nicotinamide phosphoribosyltransferase [ 8 ] [ 3D ]
Nicotinate-nucleotide adenylyltransferase [ 11 ] [ 3D ]	Nicotinate-nucleotide adenylyltransferase (NadD) [ 11 ] [ 3D ]
Nicotinic acetylcholine receptor alpha-4/beta-2 [ 1 ] [ 3D ]	Nicotinic acetylcholine receptor alpha1 subunit [ 1 ] [ 3D ]
Nicotinic acetylcholine receptor alpha1/beta1/epsilon/delta [ 1 ] [ 3D ]	Nicotinic acetylcholine receptor alpha1/beta1/gamma/delta [ 1 ] [ 3D ]
Nicotinic acetylcholine receptor alpha2/beta2 [ 8 ] [ 3D ]	Nicotinic acetylcholine receptor alpha2/beta4 [ 8 ] [ 3D ]
Nicotinic acetylcholine receptor alpha3/beta4/alpha5 [ 1 ] [ 3D ]	Nicotinic acetylcholine receptor alpha4/beta2/alpha5 [ 1 ] [ 3D ]
Nicotinic acetylcholine receptor alpha6/alpha3/beta2/beta3 [ 4 ] [ 3D ]	Nicotinic acetylcholine receptor alpha6/alpha3/beta4 [ 4 ] [ 3D ]
Nicotinic acetylcholine receptor alpha9/alpha10 [ 54 ] [ 3D ]	Nicotinic acetylcholine receptor beta-2 (β2 nAChR) [ 54 ] [ 3D ]
Nicotinic Alpha-Bungarotoxin [ 11 ] [ 3D ]	nicotinic central [ 11 ] [ 3D ]
Niemann-Pick C1 protein [ 1 ] [ 3D ]	Niemann-Pick C1-like 1 protein [ 1 ] [ 3D ]
Niemann-Pick C1-like protein 1 [ 162 ] [ 3D ]	Nischarin [ 162 ] [ 3D ]
Nitric Oxide Synthase [ 2 ] [ 3D ]	Nitric oxide synthase (bsNOS) [ 2 ] [ 3D ]
Nitric Oxide Synthase I218V [ 2 ] [ 3D ]	Nitric oxide synthase mutant (eNOS L111A) [ 2 ] [ 3D ]
Nitric oxide synthase mutant (eNOS Y477A) [ 2 ] [ 3D ]	Nitric oxide synthase mutant (nNOS H341L) [ 2 ] [ 3D ]
Nitric oxide synthase mutant (nNOS M336V/D597N) [ 9 ] [ 3D ]	Nitric oxide synthase, brain [ 9 ] [ 3D ]
Nitric Oxide Synthase, brain Mutant (D597N) [ 8 ] [ 3D ]	Nitric Oxide Synthase, brain Mutant (D597N/M336V) [ 8 ] [ 3D ]
Nitric Oxide Synthase, endothelial [ 468 ] [ 3D ]	Nitric Oxide Synthase, endothelial Mutant (N368D) [ 468 ] [ 3D ]
Nitric Oxide Synthase, inducible [ 1747 ] [ 3D ]	Nitric-oxide synthase (endothelial and brain) [ 1 ] [ 3D ]
Nitric-oxide synthase, brain [ 617 ] [ 3D ]	Nitric-oxide synthase, endothelial [ 617 ] [ 3D ]
Nitric-oxide synthase, NOS (inducible) [ 1 ] [ 3D ]	Nitrogen oxide synthase - neuronal [ 1 ] [ 3D ]
NK-3 receptor [ 5 ] [ 3D ]	NLRP3 protein [ 5 ] [ 3D ]
NMB [ 32 ] [ 3D ]	NMBR [ 32 ] [ 3D ]
NMDA [ 8 ] [ 3D ]	NMDA receptor subunit 2C (GluN2C) [ 8 ] [ 3D ]
NMDA receptor subunit 2D (GluN2D) [ 51 ] [ 3D ]	NMDA receptor subunit 3A-1 (GluN3A) [ 51 ] [ 3D ]
NMDA receptor subunit N2A (GluN2A) [ 57 ] [ 3D ]	Nociceptin receptor [ 57 ] [ 3D ]
Nociceptin/mu opioid receptor [ 2945 ] [ 3D ]	Nociceptin/Orphanin FQ, NOP receptor [ 1 ] [ 3D ]
Non-lysosomal glucosylceramidase [ 1 ] [ 3D ]	Non-receptor tyrosine-protein kinase TNK1 [ 1 ] [ 3D ]
Non-receptor tyrosine-protein kinase TYK2 [ 1 ] [ 3D ]	Non-specific lipid-transfer protein [ 1 ] [ 3D ]
Non-structural protein 5A (NS5A) [ 44 ] [ 3D ]	Non-structural protein 5B (NS5B) [ 44 ] [ 3D ]
Nonstructural protein NS3-4A [ 40 ] [ 3D ]	Norepinephrine Monoamine transporters [ 40 ] [ 3D ]
Norepinephrine transporter [ 166 ] [ 3D ]	NOS [ 166 ] [ 3D ]
Notch 1 intracellular domain (Notch 1) [ 55 ] [ 3D ]	Notch 1-CBF1 [ 55 ] [ 3D ]
Notch 3 intracellular domain (Notch 3) [ 55 ] [ 3D ]	Notch 3-CBF1 [ 55 ] [ 3D ]
NPFF [ 10 ] [ 3D ]	NPFF2 [ 10 ] [ 3D ]
NPM/ALK (Nucleophosmin/ALK tyrosine kinase receptor) [ 1541 ] [ 3D ]	NPY1R [ 1 ] [ 3D ]
NPY2R [ 79 ] [ 3D ]	NPY5R [ 79 ] [ 3D ]
NR2B Channel Blocker [ 28 ] [ 3D ]	NRI [ 28 ] [ 3D ]
NS3 [ 145 ] [ 3D ]	NS3 Protease [ 145 ] [ 3D ]
NS3 Protein [ 17 ] [ 3D ]	NS3 serine protease (NS3) [ 17 ] [ 3D ]
NS3-4A protease [ 10 ] [ 3D ]	NS3-NS4A Protease [ 10 ] [ 3D ]
NS3-NS5B [ 12 ] [ 3D ]	NS3/4A protease [ 12 ] [ 3D ]
NS3/4A protein [ 211 ] [ 3D ]	NS5B [ 211 ] [ 3D ]
NT [ 23 ] [ 3D ]	NT-3 growth factor receptor [ 23 ] [ 3D ]
NTSR1 [ 1 ] [ 3D ]	NTSR2 [ 1 ] [ 3D ]
NUAK family SNF1-like kinase 1 [ 122 ] [ 3D ]	NUAK family SNF1-like kinase 2 [ 122 ] [ 3D ]
Nuclear factor erythroid 2-related factor 2 [ 48 ] [ 3D ]	Nuclear factor NF-kappa-B [ 48 ] [ 3D ]
Nuclear factor NF-kappa-B (NF-kB) [ 136 ] [ 3D ]	Nuclear receptor coactivator 1 [ 136 ] [ 3D ]
nuclear receptor coactivator 1 isoform 1 [ 348 ] [ 3D ]	nuclear receptor coactivator 3 isoform a [ 348 ] [ 3D ]
Nuclear receptor corepressor 1 [ 35 ] [ 3D ]	nuclear receptor corepressor 2 isoform 2 [ 35 ] [ 3D ]
Nuclear receptor REV-ERBβ ligand-binding domain (REV-ERBβ-LBD) [ 2 ] [ 3D ]	Nuclear receptor ROR-alpha [ 2 ] [ 3D ]
Nuclear receptor ROR-beta [ 80 ] [ 3D ]	Nuclear receptor ROR-gamma [ 80 ] [ 3D ]
nuclear receptor subfamily 0 group B member 1 [ 247 ] [ 3D ]	Nuclear receptor subfamily 1 group D member 1 [ 247 ] [ 3D ]
Nuclear receptor subfamily 1 group D member 2 [ 4 ] [ 3D ]	Nuclear receptor subfamily 1 group I member 2 [ 4 ] [ 3D ]
Nuclear receptor subfamily 1 group I member 3 [ 65 ] [ 3D ]	Nuclear receptor subfamily 2 group C member 2 [ 65 ] [ 3D ]
Nuclear receptor subfamily 4 group A member 2 [ 12 ] [ 3D ]	nuclear receptor subfamily 4, group A, member 1 [ 12 ] [ 3D ]
nuclear receptor subfamily 5 group A member 2 isoform 2 [ 237 ] [ 3D ]	Nuclear SET domain-containing protein 1 (NSD1) [ 237 ] [ 3D ]
Nuclear SET domain-containing protein 2 (NSD2) [ 1 ] [ 3D ]	Nuclear SET domain-containing protein 3 (NSD3) [ 1 ] [ 3D ]
Nucleoprotein [ 2 ] [ 3D ]	Nucleoprotein TPR [ 2 ] [ 3D ]
Nucleoside triphosphate diphosphohydrolase 3 [ 5 ] [ 3D ]	Nucleosome-remodeling factor subunit BPTF [ 5 ] [ 3D ]
nucleotide-binding oligomerization domain containing 1 [ 841 ] [ 3D ]	nucleotide-binding oligomerization domain containing 2 [ 841 ] [ 3D ]
Nucleotide-binding oligomerization domain-containing protein 2 [ 80 ] [ 3D ]