Erythropoietin hormone molecule
Erythropoietin hormone
Erythropoietin molecule bound to receptor
Leptin molecule
Insulin molecule
Human growth hormone, molecular model
Follicle stimulating hormone molecule
Insulin molecule, artwork
Human growth hormone molecule
Insulin molecule, computer artwork
Haemagglutinin viral surface protein
Erythropoietin hormone molecule, illustration
Testosterone bound to receptor, artwork
Haemagglutinin from bird flu virus
G-CSF hormone molecule
H1 antigen from 1918 influenza virus
Anti-cancer protein p53
BHRF 1 protein from Epstein-Barr virus
Secondary structure of proteins, artwork
Oestrone hormone, molecular model
Progesterone hormone, molecular model
Oestradiol hormone, molecular model
Oestriol hormone, molecular model
Obesity hormone peptide YY
B domain of staphylococcal protein A
Influenza A virus haemagglutinin protein
Human serum albumin molecule
Mouse urinary protein, molecular model
Glutamine synthetase enzyme
Myoglobin protein
Cyclin-dependent kinase 2 enzyme
Lipase molecule
Integration host factor and DNA
DHEA hormone, molecular model
Androstenedione hormone, molecular model
DHT hormone, molecular model
Testosterone hormone, molecular model
Melatonin, molecular model
Androstenedione hormone molecule
Adrenaline hormone molecule
Corticosterone hormone molecule
Synthetic thyroid hormone molecule
GST enzyme conferring DDT resistance
Interferon, molecular model
Interleukin-10, molecular model
HPV protein bound to tumour suppressor
Human papillomavirus protein E7
T-cell leukaemia virus matrix protein
DNA polymerase molecule
Anthrax lethal factor protein
Interleukin-6, molecular model
Somatotropin hormone
Protein tyrosine phosphatase molecule
Proliferating cell nuclear antigen
Heterotrimeric G protein complex molecule
p53 tumour protein bound to Mdm2 protein
Kinase molecule, secondary structure
Triose phosphate isomerase molecule
Botulinum toxin
Synthetic ribonuclease molecule
Antithrombin molecule
Reverse transcriptase enzyme from HIV
Interferon molecule
Human parathyroid hormone receptor-1 dimer, illustration
Human parvovirus B19 capsid structure
Human rhinovirus capsid proteins
Adrenaline
Cholinesterase enzyme
Hepatitis C virus RNA polymerase enzyme
Phosphofructokinase bacterial enzyme
RNA polymerase from Norwalk virus
Section of human apolipoprotein A-I
GAGA transcription factor molecule
Vascular endothelial growth factor
Cytochrome P450 protein, molecular model
Pepsin molecule
TGF beta, molecular model
Calcium pumping ATPase muscle enzyme
Porphobilinogen deaminase enzyme
Lipase molecule, secondary structure
Thrombin protein
ApoE protein
Frataxin molecule
Chinese scorpion toxin structure
Interleukin-6 molecule
Hydrocortisone (cortisol) hormone molecule
Prasterone hormone molecule
Progesterone hormone molecule
Vasopressin hormone molecule
Cholera toxin
Streptococcal protein G molecule
GDF15 protein, illustration
Birch pollen allergen
Cortisol hormone molecule
Cholera toxin, molecular model
Yeast enzyme, molecular model
Transcription factor and DNA molecules
Insulin-analogue des-B29,B30, molecular model
Rituximab drug molecule
Cyclin-depenent kinase 5 molecule
Bacterial ribosome
Cytochrome P450 molecule
Herceptin breast cancer drug
HIV reverse transcription enzyme
NovoSeven clotting protein molecule
Tumour necrosis factor-alpha
FK506-binding protein molecule
DNA polymerase Klenow fragment
Collagen triple helix molecules, illustration
Protein from measles virus
Tetanus toxin C-fragment structure
Botulinum toxin A, molecular model
Estradiol hormone molecule
Estriol hormone molecule
Estrone hormone molecule
Fluticasone hormone molecule
Liothyronine hormone molecule
Oxytocin hormone molecule
Adosterone hormone molecule
Androsterone hormone molecule
Angiotensin hormone molecule
Diphtheria toxin structure
Botulinum type B neurotoxin
Testosterone
Adrenaline molecule
Noradrenaline molecule
Noradrenaline neurotransmitter molecule
Prostacyclin, molecular model
Cobra venom action, molecular model
DAPK3 and Pyridone 6 proteins
Insulin-like growth factor 1 molecule
Insulin-like growth 1 factor molecule