Leptin molecule
Erythropoietin hormone molecule
Insulin molecule, artwork
Erythropoietin hormone
Insulin molecule
Human growth hormone, molecular model
Leptin, molecular model
Erythropoietin molecule bound to receptor
Follicle stimulating hormone molecule
Insulin molecule, computer artwork
Testosterone bound to receptor, artwork
Human growth hormone molecule
BHRF 1 protein from Epstein-Barr virus
Secondary structure of proteins, artwork
Lipase molecule
B domain of staphylococcal protein A
HPV protein bound to tumour suppressor
Human papillomavirus protein E7
Human serum albumin molecule
Mouse urinary protein, molecular model
Anti-cancer protein p53
Integration host factor and DNA
Haemagglutinin from bird flu virus
Protein tyrosine phosphatase molecule
Proliferating cell nuclear antigen
Heterotrimeric G protein complex molecule
H1 antigen from 1918 influenza virus
Haemagglutinin viral surface protein
Anthrax lethal factor protein
Interleukin-6, molecular model
G-CSF hormone molecule
Obesity hormone peptide YY
Oestrone hormone, molecular model
Progesterone hormone, molecular model
Oestradiol hormone, molecular model
Oestriol hormone, molecular model
Melatonin, molecular model
Cytochrome P450 protein, molecular model
Kinase molecule, secondary structure
Triose phosphate isomerase molecule
Lipase molecule, secondary structure
Reverse transcriptase enzyme from HIV
Glutamine synthetase enzyme
Myoglobin protein
Human parvovirus B19 capsid structure
Human rhinovirus capsid proteins
Cyclin-dependent kinase 2 enzyme
Transcription factor and DNA molecules
Cholinesterase enzyme
Hepatitis C virus RNA polymerase enzyme
Influenza A virus haemagglutinin protein
Phosphofructokinase bacterial enzyme
RNA polymerase from Norwalk virus
Section of human apolipoprotein A-I
GAGA transcription factor molecule
p53 tumour protein bound to Mdm2 protein
NovoSeven clotting protein molecule
DHEA hormone, molecular model
Androstenedione hormone, molecular model
DHT hormone, molecular model
Testosterone hormone, molecular model
GST enzyme conferring DDT resistance
Chinese scorpion toxin structure
T-cell leukaemia virus matrix protein
Androstenedione hormone molecule
Adrenaline hormone molecule
Corticosterone hormone molecule
Synthetic thyroid hormone molecule
Adrenaline
Birch pollen allergen
DNA polymerase molecule
Yeast enzyme, molecular model
Rituximab drug molecule
Bacterial ribosome
Cyclin-depenent kinase 5 molecule
Cytochrome P450 molecule
Pepsin molecule
TGF beta, molecular model
HIV reverse transcription enzyme
Calcium pumping ATPase muscle enzyme
Porphobilinogen deaminase enzyme
Thrombin protein
ApoE protein
Frataxin molecule
Interferon, molecular model
Interleukin-10, molecular model
Somatotropin hormone
Botulinum toxin
FK506-binding protein molecule
Cholera toxin
DNA polymerase Klenow fragment
Interferon molecule
DAPK3 and Pyridone 6 proteins
Protein from measles virus
Diphtheria toxin structure
Botulinum type B neurotoxin
Cobra venom action, molecular model
Herceptin breast cancer drug
Interleukin-6 molecule
Synthetic ribonuclease molecule
Tumour necrosis factor-alpha
Hepatitis C virus enzyme, molecular model
Caspase 1 molecule
Caspase 9 molecule
Antithrombin molecule
Testosterone
Adrenaline molecule
Noradrenaline molecule
Noradrenaline neurotransmitter molecule
Prostacyclin, molecular model
Viral dUTPase enzyme, molecular model
Src protein domain
Streptococcal protein G molecule
GDF15 protein, illustration
Hepatitis A virus 3C proteinase enzyme
Caspase 3 molecule
Thrombin protein, secondary structure
Interleukin-12 protein molecule
Hydrocortisone (cortisol) hormone molecule
Prasterone hormone molecule
Progesterone hormone molecule
Vasopressin hormone molecule
Serotonin, molecular model
Cholera toxin, molecular model
Vascular endothelial growth factor
FMD virus surface protein
Insulin-analogue des-B29,B30, molecular model
DNA molecule, conceptual artwork
Cortisol hormone molecule
Oestrogen receptor, molecular model
Human parathyroid hormone receptor-1 dimer, illustration
Influenza B virus neuraminidase enzyme
Transthyretin protein, molecular model
Bacteriochlorophyll-containing protein
Herceptin breast cancer drug molecule
Collagen triple helix molecules, illustration
Pro-caspase 9 molecule
Tetanus toxin C-fragment structure
Botulinum toxin A, molecular model
Human RSV fusion core protein
Ricin molecule
Blood clotting protein
C-reactive protein, molecular models