Butanoate metabolism

Butirosin and neomycin biosynthesis

C5-Branched dibasic acid metabolism

Caffeine metabolism

Calcium signaling pathway

cAMP signaling pathway

Caprolactam degradation

Carbapenem biosynthesis

Carbohydrate digestion and absorption

Carbon fixation in photosynthetic organisms

Carbon fixation pathways in prokaryotes

Carbon metabolism

Cardiac muscle contraction

Carotenoid biosynthesis

Cationic antimicrobial peptide (CAMP) resistance

Cell adhesion molecules (CAMs)

Cell cycle

Cell cycle - Caulobacter

Cell cycle - yeast

Central carbon metabolism in cancer

cGMP-PKG signaling pathway

Chagas disease (American trypanosomiasis)

Chemical carcinogenesis

Chemokine signaling pathway

Chloroalkane and chloroalkene degradation

Chlorocyclohexane and chlorobenzene degradation

Choline metabolism in cancer

Cholinergic synapse

Chronic myeloid leukemia

Circadian entrainment

Circadian rhythm

Circadian rhythm - fly

Circadian rhythm - plant

Citrate cycle (TCA cycle)

Clavulanic acid biosynthesis

Cocaine addiction

Collecting duct acid secretion

Colorectal cancer

Complement and coagulation cascades

Cutin, suberine and wax biosynthesis

Cyanoamino acid metabolism

Cysteine and methionine metabolism

Cytokine-cytokine receptor interaction

Cytosolic DNA-sensing pathway

D-Alanine metabolism

D-Arginine and D-ornithine metabolism

D-Glutamine and D-glutamate metabolism

DDT degradation

Degradation of aromatic compounds

Dilated cardiomyopathy

Dioxin degradation

Diterpenoid biosynthesis

DNA replication

Dopaminergic synapse

Dorso-ventral axis formation

Drug metabolism - cytochrome P450

Drug metabolism - other enzymes

ECM-receptor interaction

Endocrine and other factor-regulated calcium reabsorption