Metabolic pathways
Biosynthesis of secondary metabolites
Microbial metabolism in diverse environments
Carbon metabolism
2-Oxocarboxylic acid metabolism
Fatty acid metabolism
Biosynthesis of amino acids
Nucleotide metabolism
Biosynthesis of nucleotide sugars
Biosynthesis of cofactors
Degradation of aromatic compounds
Glycolysis / Gluconeogenesis
Citrate cycle (TCA cycle)
Pentose phosphate pathway
Pentose and glucuronate interconversions
Fructose and mannose metabolism
Galactose metabolism
Ascorbate and aldarate metabolism
Starch and sucrose metabolism
Amino sugar and nucleotide sugar metabolism
Pyruvate metabolism
Glyoxylate and dicarboxylate metabolism
Propanoate metabolism
Butanoate metabolism
C5-Branched dibasic acid metabolism
Inositol phosphate metabolism
Oxidative phosphorylation
Photosynthesis
Photosynthesis - antenna proteins
Carbon fixation in photosynthetic organisms
Carbon fixation pathways in prokaryotes
Methane metabolism
Nitrogen metabolism
Sulfur metabolism
Fatty acid biosynthesis
Fatty acid elongation
Fatty acid degradation
Cutin, suberine and wax biosynthesis
Steroid biosynthesis
Primary bile acid biosynthesis
Secondary bile acid biosynthesis
Steroid hormone biosynthesis
Glycerolipid metabolism
Glycerophospholipid metabolism
Ether lipid metabolism
Sphingolipid metabolism
Arachidonic acid metabolism
Linoleic acid metabolism
alpha-Linolenic acid metabolism
Biosynthesis of unsaturated fatty acids
Purine metabolism
Pyrimidine metabolism
Alanine, aspartate and glutamate metabolism
Glycine, serine and threonine metabolism
Cysteine and methionine metabolism
Valine, leucine and isoleucine degradation
Valine, leucine and isoleucine biosynthesis
Lysine biosynthesis
Lysine degradation
Arginine biosynthesis
Arginine and proline metabolism
Histidine metabolism
Tyrosine metabolism
Phenylalanine metabolism
Tryptophan metabolism
Phenylalanine, tyrosine and tryptophan biosynthesis
beta-Alanine metabolism
Taurine and hypotaurine metabolism
Phosphonate and phosphinate metabolism
Selenocompound metabolism
Cyanoamino acid metabolism
D-Amino acid metabolism
Glutathione metabolism
N-Glycan biosynthesis
Various types of N-glycan biosynthesis
Mucin type O-glycan biosynthesis
Mannose type O-glycan biosynthesis
Other types of O-glycan biosynthesis
Glycosaminoglycan biosynthesis - chondroitin sulfate / dermatan sulfate
Glycosaminoglycan biosynthesis - heparan sulfate / heparin
Glycosaminoglycan biosynthesis - keratan sulfate
Glycosaminoglycan degradation
Glycosylphosphatidylinositol (GPI)-anchor biosynthesis
Glycosphingolipid biosynthesis - lacto and neolacto series
Glycosphingolipid biosynthesis - globo and isoglobo series
Glycosphingolipid biosynthesis - ganglio series
Other glycan degradation
Lipopolysaccharide biosynthesis
O-Antigen repeat unit biosynthesis
O-Antigen nucleotide sugar biosynthesis
Peptidoglycan biosynthesis
Teichoic acid biosynthesis
Lipoarabinomannan (LAM) biosynthesis
Arabinogalactan biosynthesis - Mycobacterium
Exopolysaccharide biosynthesis
Thiamine metabolism
Riboflavin metabolism
Vitamin B6 metabolism
Nicotinate and nicotinamide metabolism
Pantothenate and CoA biosynthesis
Biotin metabolism
Lipoic acid metabolism
Folate biosynthesis
One carbon pool by folate
Retinol metabolism
Porphyrin metabolism
Ubiquinone and other terpenoid-quinone biosynthesis
Terpenoid backbone biosynthesis
Monoterpenoid biosynthesis
Sesquiterpenoid and triterpenoid biosynthesis
Diterpenoid biosynthesis
Carotenoid biosynthesis
Brassinosteroid biosynthesis
Insect hormone biosynthesis
Zeatin biosynthesis
Limonene degradation
Pinene, camphor and geraniol degradation
Type I polyketide structures
Biosynthesis of 12-, 14- and 16-membered macrolides
Biosynthesis of ansamycins
Biosynthesis of enediyne antibiotics
Biosynthesis of type II polyketide backbone
Biosynthesis of type II polyketide products
Tetracycline biosynthesis
Polyketide sugar unit biosynthesis
Nonribosomal peptide structures
Biosynthesis of siderophore group nonribosomal peptides
Biosynthesis of vancomycin group antibiotics
Phenylpropanoid biosynthesis
Stilbenoid, diarylheptanoid and gingerol biosynthesis
Flavonoid biosynthesis
Flavone and flavonol biosynthesis
Anthocyanin biosynthesis
Isoflavonoid biosynthesis
Degradation of flavonoids
Indole alkaloid biosynthesis
Indole diterpene alkaloid biosynthesis
Isoquinoline alkaloid biosynthesis
Tropane, piperidine and pyridine alkaloid biosynthesis
Biosynthesis of various alkaloids
Caffeine metabolism
Betalain biosynthesis
Glucosinolate biosynthesis
Benzoxazinoid biosynthesis
Penicillin and cephalosporin biosynthesis
Carbapenem biosynthesis
Monobactam biosynthesis
Clavulanic acid biosynthesis
Streptomycin biosynthesis
Neomycin, kanamycin and gentamicin biosynthesis
Acarbose and validamycin biosynthesis
Novobiocin biosynthesis
Staurosporine biosynthesis
Phenazine biosynthesis
Prodigiosin biosynthesis
Aflatoxin biosynthesis
Biosynthesis of various antibiotics
Biosynthesis of various plant secondary metabolites
Biosynthesis of various other secondary metabolites
Benzoate degradation
Aminobenzoate degradation
Fluorobenzoate degradation
Chloroalkane and chloroalkene degradation
Chlorocyclohexane and chlorobenzene degradation
Toluene degradation
Xylene degradation
Nitrotoluene degradation
Ethylbenzene degradation
Styrene degradation
Atrazine degradation
Caprolactam degradation
Bisphenol degradation
Dioxin degradation
Naphthalene degradation
Polycyclic aromatic hydrocarbon degradation
Furfural degradation
Steroid degradation
Metabolism of xenobiotics by cytochrome P450
Drug metabolism - cytochrome P450
Drug metabolism - other enzymes
Overview of biosynthetic pathways
Biosynthesis of plant secondary metabolites
Biosynthesis of phenylpropanoids
Biosynthesis of terpenoids and steroids
Biosynthesis of alkaloids derived from shikimate pathway
Biosynthesis of alkaloids derived from ornithine, lysine and nicotinic acid
Biosynthesis of alkaloids derived from histidine and purine
Biosynthesis of alkaloids derived from terpenoid and polyketide
Biosynthesis of plant hormones
RNA polymerase
Basal transcription factors
Spliceosome
Ribosome
Aminoacyl-tRNA biosynthesis
Nucleocytoplasmic transport
mRNA surveillance pathway
Ribosome biogenesis in eukaryotes
Protein export
Protein processing in endoplasmic reticulum
SNARE interactions in vesicular transport
Ubiquitin mediated proteolysis
Sulfur relay system
Proteasome
RNA degradation
DNA replication
Base excision repair
Nucleotide excision repair
Mismatch repair
Homologous recombination
Non-homologous end-joining
Fanconi anemia pathway
ATP-dependent chromatin remodeling
Polycomb repressive complex
Viral genome structure
Viral replication
Viral life cycle - HIV-1
Virion - Human immunodeficiency virus
Virion - Coronavirus
Virion - Enterovirus
Virion - Flavivirus
Virion - Herpesvirus
Virion - Orthopoxvirus
Virion - Adenovirus
ABC transporters
Phosphotransferase system (PTS)
Bacterial secretion system
Two-component system
MAPK signaling pathway
MAPK signaling pathway - fly
MAPK signaling pathway - plant
MAPK signaling pathway - yeast
ErbB signaling pathway
Ras signaling pathway
Rap1 signaling pathway
Wnt signaling pathway
Notch signaling pathway
Hedgehog signaling pathway
Hedgehog signaling pathway - fly
TGF-beta signaling pathway
Hippo signaling pathway
Hippo signaling pathway - fly
Hippo signaling pathway - multiple species
VEGF signaling pathway
Apelin signaling pathway
JAK-STAT signaling pathway
NF-kappa B signaling pathway
TNF signaling pathway
HIF-1 signaling pathway
FoxO signaling pathway
Calcium signaling pathway
Phosphatidylinositol signaling system
Phospholipase D signaling pathway
Sphingolipid signaling pathway
cAMP signaling pathway
cGMP-PKG signaling pathway
PI3K-Akt signaling pathway
AMPK signaling pathway
mTOR signaling pathway
Plant hormone signal transduction
Neuroactive ligand-receptor interaction
Cytokine-cytokine receptor interaction
Viral protein interaction with cytokine and cytokine receptor
ECM-receptor interaction
Cell adhesion molecules
Endocytosis
Phagosome
Lysosome
Peroxisome
Autophagy - animal
Autophagy - yeast
Autophagy - other
Mitophagy - animal
Mitophagy - yeast
Cell cycle
Cell cycle - yeast
Cell cycle - Caulobacter
Meiosis - yeast
Oocyte meiosis
Apoptosis
Apoptosis - fly
Apoptosis - multiple species
Ferroptosis
Necroptosis
p53 signaling pathway
Cellular senescence
Focal adhesion
Adherens junction
Tight junction
Gap junction
Signaling pathways regulating pluripotency of stem cells
Quorum sensing
Biofilm formation - Vibrio cholerae
Biofilm formation - Pseudomonas aeruginosa
Biofilm formation - Escherichia coli
Bacterial chemotaxis
Flagellar assembly
Motor proteins
Regulation of actin cytoskeleton
Hematopoietic cell lineage
Complement and coagulation cascades
Platelet activation
Neutrophil extracellular trap formation
Toll-like receptor signaling pathway
Toll and Imd signaling pathway
NOD-like receptor signaling pathway
RIG-I-like receptor signaling pathway
Cytosolic DNA-sensing pathway
C-type lectin receptor signaling pathway
Natural killer cell mediated cytotoxicity
Antigen processing and presentation
T cell receptor signaling pathway
Th1 and Th2 cell differentiation
Th17 cell differentiation
IL-17 signaling pathway
B cell receptor signaling pathway
Fc epsilon RI signaling pathway
Fc gamma R-mediated phagocytosis
Leukocyte transendothelial migration
Intestinal immune network for IgA production
Chemokine signaling pathway
Insulin secretion
Insulin signaling pathway
Glucagon signaling pathway
Regulation of lipolysis in adipocytes
Adipocytokine signaling pathway
PPAR signaling pathway
GnRH secretion
GnRH signaling pathway
Ovarian steroidogenesis
Estrogen signaling pathway
Progesterone-mediated oocyte maturation
Prolactin signaling pathway
Oxytocin signaling pathway
Relaxin signaling pathway
Growth hormone synthesis, secretion and action
Thyroid hormone synthesis
Thyroid hormone signaling pathway
Parathyroid hormone synthesis, secretion and action
Melanogenesis
Renin secretion
Renin-angiotensin system
Aldosterone synthesis and secretion
Cortisol synthesis and secretion
Cardiac muscle contraction
Adrenergic signaling in cardiomyocytes
Vascular smooth muscle contraction
Salivary secretion
Gastric acid secretion
Pancreatic secretion
Bile secretion
Carbohydrate digestion and absorption
Protein digestion and absorption
Fat digestion and absorption
Cholesterol metabolism
Vitamin digestion and absorption
Mineral absorption
Vasopressin-regulated water reabsorption
Aldosterone-regulated sodium reabsorption
Endocrine and other factor-regulated calcium reabsorption
Proximal tubule bicarbonate reclamation
Collecting duct acid secretion
Glutamatergic synapse
GABAergic synapse
Cholinergic synapse
Dopaminergic synapse
Serotonergic synapse
Long-term potentiation
Long-term depression
Retrograde endocannabinoid signaling
Synaptic vesicle cycle
Neurotrophin signaling pathway
Phototransduction
Phototransduction - fly
Olfactory transduction
Taste transduction
Inflammatory mediator regulation of TRP channels
Dorso-ventral axis formation
Axon guidance
Axon regeneration
Osteoclast differentiation
Longevity regulating pathway
Longevity regulating pathway - worm
Longevity regulating pathway - multiple species
Circadian rhythm
Circadian entrainment
Circadian rhythm - fly
Circadian rhythm - plant
Thermogenesis
Plant-pathogen interaction
Pathways in cancer
Transcriptional misregulation in cancer
MicroRNAs in cancer
Proteoglycans in cancer
Chemical carcinogenesis - DNA adducts
Chemical carcinogenesis - receptor activation
Chemical carcinogenesis - reactive oxygen species
Viral carcinogenesis
Central carbon metabolism in cancer
Choline metabolism in cancer
PD-L1 expression and PD-1 checkpoint pathway in cancer
Colorectal cancer
Pancreatic cancer
Hepatocellular carcinoma
Gastric cancer
Glioma
Thyroid cancer
Acute myeloid leukemia
Chronic myeloid leukemia
Basal cell carcinoma
Melanoma
Renal cell carcinoma
Bladder cancer
Prostate cancer
Endometrial cancer
Breast cancer
Small cell lung cancer
Non-small cell lung cancer
Human T-cell leukemia virus 1 infection
Human immunodeficiency virus 1 infection
Hepatitis B
Hepatitis C
Coronavirus disease - COVID-19
Influenza A
Measles
Herpes simplex virus 1 infection
Human cytomegalovirus infection
Kaposi sarcoma-associated herpesvirus infection
Epstein-Barr virus infection
Human papillomavirus infection
Vibrio cholerae infection
Epithelial cell signaling in Helicobacter pylori infection
Pathogenic Escherichia coli infection
Salmonella infection
Shigellosis
Yersinia infection
Pertussis
Legionellosis
Staphylococcus aureus infection
Tuberculosis
Bacterial invasion of epithelial cells
Amoebiasis
Malaria
Toxoplasmosis
Leishmaniasis
Chagas disease
African trypanosomiasis
Asthma
Systemic lupus erythematosus
Rheumatoid arthritis
Autoimmune thyroid disease
Inflammatory bowel disease
Allograft rejection
Graft-versus-host disease
Primary immunodeficiency
Alzheimer disease
Parkinson disease
Amyotrophic lateral sclerosis
Huntington disease
Spinocerebellar ataxia
Prion disease
Pathways of neurodegeneration - multiple diseases
Cocaine addiction
Amphetamine addiction
Morphine addiction
Nicotine addiction
Alcoholism
Lipid and atherosclerosis
Fluid shear stress and atherosclerosis
Hypertrophic cardiomyopathy
Arrhythmogenic right ventricular cardiomyopathy
Dilated cardiomyopathy
Diabetic cardiomyopathy
Viral myocarditis
Type II diabetes mellitus
Type I diabetes mellitus
Maturity onset diabetes of the young
Alcoholic liver disease
Non-alcoholic fatty liver disease
Insulin resistance
AGE-RAGE signaling pathway in diabetic complications
Cushing syndrome
beta-Lactam resistance
Vancomycin resistance
Cationic antimicrobial peptide (CAMP) resistance
EGFR tyrosine kinase inhibitor resistance
Platinum drug resistance
Antifolate resistance
Endocrine resistance
Penicillins
Cephalosporins - parenteral agents
Cephalosporins - oral agents
Aminoglycosides
Tetracyclines
Macrolides and ketolides
Quinolones
Rifamycins
Antifungal agents
Antiviral agents
Anti-HIV agents
Antineoplastics - alkylating agents
Antineoplastics - antimetabolic agents
Antineoplastics - agents from natural products
Antineoplastics - hormones
Antineoplastics - protein kinase inhibitors
Hypnotics
Anxiolytics
Anticonvulsants
Local analgesics
Opioid analgesics
Antipsychotics
Antipsychotics - phenothiazines
Antipsychotics - butyrophenones
Antidepressants
Agents for Alzheimer-type dementia
Antiparkinsonian agents
Sulfonamide derivatives - overview
Sulfonamide derivatives - sulfa drugs
Sulfonamide derivatives - diuretics
Sulfonamide derivatives - hypoglycemic agents
Antiarrhythmic drugs
Antiulcer drugs
Immunosuppressive agents
Osteoporosis drugs
Antimigraines
Antithrombosis agents
Antirheumatics - DMARDs and biological agents
Antidiabetics
Antidyslipidemic agents
Antiglaucoma agents
Cholinergic and anticholinergic drugs
alpha-Adrenergic receptor agonists/antagonists
beta-Adrenergic receptor agonists/antagonists
Dopamine receptor agonists/antagonists
Histamine H1 receptor antagonists
Histamine H2/H3 receptor agonists/antagonists
Serotonin receptor agonists/antagonists
Eicosanoid receptor agonists/antagonists
Opioid receptor agonists/antagonists
Angiotensin receptor and endothelin receptor antagonists
Glucocorticoid and mineralocorticoid receptor agonists/antagonists
Progesterone, androgen and estrogen receptor agonists/antagonists
Retinoic acid receptor (RAR) and retinoid X receptor (RXR) agonists/antagonists
Peroxisome proliferator-activated receptor (PPAR) agonists
Nicotinic cholinergic receptor antagonists
GABA-A receptor agonists/antagonists
Calcium channel blocking drugs
Sodium channel blocking drugs
Potassium channel blocking and opening drugs
N-Methyl-D-aspartic acid (NMDA) receptor antagonists
Ion transporter inhibitors
Neurotransmitter transporter inhibitors
Catecholamine transferase inhibitors
Cyclooxygenase inhibitors
HMG-CoA reductase inhibitors
Renin-angiotensin system inhibitors
HIV protease inhibitors
Quinolines
Eicosanoids
Prostaglandins
Benzoic acid family
1,2-Diphenyl substitution family
Naphthalene family
Benzodiazepine family