Human growth hormone molecule
Human growth hormone complex
Human growth hormone molecule, artwork
Human growth hormone, molecular model
Follicle-stimulating hormone complex
Human growth hormone molecule, illustration
Insulin-like growth factor 1 molecule
Insulin molecule, illustration
Nerve growth factor bound to receptor
Bovine insulin molecule, illustration
Follicle-stimulating hormone, illustration
Oestrogen related receptor-DNA complex
Insulin-like growth 1 factor molecule
Somatotropin hormone
Epidermal growth factor and receptor
Somatotropin hormone, illustration
Collagen fibre, molecular model
Integrin transmembrane domain
Insulin molecule
Interferon gamma molecule
Tetraubiquitin protein molecule
Human insulin receptor ectodomain molecule
Human parathyroid hormone receptor-1 dimer, illustration
Neuropeptide Y neurotransmitter molecule
Transthyretin protein, illustration
Nucleosome clutch, illustration
Cohesin with DNA loaded, illustration
Crystal structure of human transthyretin, illustration
Beta-2 adrenergic receptor molecule
Nerve growth factor protein complex
Bacteria circadian clock protein molecule
Immunoglobulin G antibody, molecular model
Immunoglobulin G antibody molecules, illustration
Human haemoglobin molecule
Grass pollen allergen molecule
Tyrosine kinase of an insulin receptor
Epidermal growth factor and receptor complex, illustration
Human interferon alpha molecule
HIV antibody therapy, molecular model
Immunoglobulin M, molecular model
Alpha-beta T-cell receptor
Serotonin N-acetyltransferase complex
Vault ribonucleoprotein molecule
Calcium-binding protein molecule
ATP-binding cassette transporter
FecA transmembrane channel
Chloride ion channel, molecular model
Epidermal growth factor molecule
Growth factor receptor molecule
Circadian clock molecule, illustration
Circadian clock molecule, molecular model
Membrane proton pump
Nucleosome, illustration
Chromatin fibre, illustration
Haemoglobin, molecular model
Immunoglobulin G antibody molecule
Heat shock protein 90 chaperone complex
Haemoglobin molecule, artwork
HIV enzyme protein, molecular model
Signal recognition particle RNA molecule
Human catalase, molecular model
Gene activator protein
Glutamine synthetase enzyme
Wilms tumor suppressor bound to DNA
RNA duplex molecule
Anthrax bacillus glms ribozyme
Tumour suppressor p53 complex
Tumour suppressor p73 protein and DNA
Transcription factor complex, illustration
Dihydrotestosterone hormone, molecular model
Beta secretase enzyme, molecular model
Voltage-gated potassium channel
Erythropoietin complexed with receptor
Insulin receptor complexed with insulin, molecular model
SIRT3 molecule, artwork
Amylase, molecular model
Insulin receptor complex, molecular model
Hydroxysteroid dehydrogenase molecule
Glucagon hormone molecule, illustration