Glutamine synthetase enzyme
Phosphofructokinase bacterial enzyme
Hepatitis C virus enzyme, molecular model
Viral dUTPase enzyme, molecular model
HIV reverse transcription enzyme
Cholinesterase enzyme
Cyclin-dependent kinase 2 enzyme
Hepatitis C virus RNA polymerase enzyme
DNA polymerase molecule
DNA polymerase Klenow fragment
Lipase molecule
Anthrax lethal factor protein
RNA polymerase from Norwalk virus
Protein tyrosine phosphatase molecule
Caspase 1 molecule
Caspase 9 molecule
Caspase 3 molecule
Dynamin enzyme, molecular model
Porphobilinogen deaminase enzyme
Calcium pumping ATPase muscle enzyme
Kinase molecule, secondary structure
Triose phosphate isomerase molecule
Cyclin-depenent kinase 5 molecule
Cytochrome P450 molecule
Cytochrome P450 protein, molecular model
Pro-caspase 9 molecule
Pepsin molecule
Proliferating cell nuclear antigen
Lipase molecule, secondary structure
Thrombin protein
Thrombin protein, secondary structure
Synthetic ribonuclease molecule
FK506-binding protein molecule
Src protein domain
Interleukin-6 molecule
Botulinum toxin
Myoglobin protein
Anti-cancer protein p53
BHRF 1 protein from Epstein-Barr virus
Haemagglutinin viral surface protein
Secondary structure of proteins, artwork
ATPase muscle enzyme
Neuraminidase influenza enzyme
Cholera toxin, molecular model
Botulinum toxin A, molecular model
Tetanus toxin C-fragment structure
Botulinum type B neurotoxin
RNA polymerase from rabies virus
Integration host factor and DNA
Influenza A virus haemagglutinin protein
Haemagglutinin from bird flu virus
Section of human apolipoprotein A-I
GAGA transcription factor molecule
Interleukin-6, molecular model
G-CSF hormone molecule
Heterotrimeric G protein complex molecule
C-Phycocyanin, molecular model
Lysozyme molecule
Elastase molecule
Yeast enzyme, molecular model
Lysozyme molecule, computer artwork
Vascular endothelial growth factor
Trypsin molecule, computer artwork
Alcohol dehydrogenase, molecular model
Cholera toxin
Diphtheria toxin structure
Chinese scorpion toxin structure
Mouse urinary protein, molecular model
TGF beta, molecular model
Influenza B virus neuraminidase enzyme
Retinoschisin molecule
Tumour necrosis factor-alpha
GST enzyme conferring DDT resistance
Proteasome, illustration
ApoE protein
Frataxin molecule
Interferon, molecular model
Interleukin-10, molecular model
Human PA200-20S proteasome complex, molecular model
NanH sialidase from Tannerella forsythia, illustration
Beta-tubulin folding intermediate, illustration
Purine nucleoside phosphorylase, illustration
Human serum albumin molecule
Antithrombin molecule
Interleukin-12 protein molecule
Trypsin molecule
Superoxide dismutase molecule
Human CYB5R3 complexed with FAD, illustration
Ricin molecule
Murine tRNA-guanine transglycosylase, molecular model
Lassa virus complexed with antibody, molecular model
Visna-maedi virus infectivity factor, molecular model
Toll-like receptor complexed with lncRNA, molecular model
Cobra venom action, molecular model
Hexokinase and glucose complex
p53 tumour protein bound to Mdm2 protein
Beta glucanase enzyme molecule
Collagen triple helix molecules, illustration
Reverse transcriptase enzyme from HIV
Bacterial ribosome
ATP synthase from Trypanosoma brucei, molecular model
Hydrogenase from Mycobacterium smegmatis, illustration
Transcription initiation complex, molecular model
Methyltransferase ribozyme RNA complex, molecular model
Interferon molecule
Blood clotting protein
C-reactive protein, molecular models
Liver proteins
Human parvovirus B19 capsid structure
Herceptin breast cancer drug
NovoSeven clotting protein molecule
CDX1 complexed with hydroxymethylated DNA, molecular model
CDX2 complexed with hydroxymethylated DNA, molecular model
Transcription factor SALL4-DNA complex, molecular model
Cas4-Cas1-Cas2 complex, molecular model
Human DNA helicase MCM8-MCM9 complex, molecular model
siRNA complexed with p19 virus protein, molecular model
Mouse radial spoke complex, molecular model
NanoRNase C complexed with RNA, molecular model
Human MBD2 complexed with DNA, molecular model
Galactokinase complexed with inhibitor, molecular model
DCL3 complexed with RNA, molecular model
Trimeric serine protease complex, molecular model
Beta-galactosidase molecule
Type II topoisomerase molecule
Carbonic anhydrase II molecule
Beta-carbonic anhydrase molecule
CD4 protein molecule
Human CPEB3 HDV-like ribozyme, molecular model
Redox enzyme cytochrome P450 3A4, molecular model
DAPK3 and Pyridone 6 proteins
Rhodopsin protein molecule
Isoprene synthase, molecular model
PhaB reductase complex, molecular model
IPP:DMAPP isomerase, molecular model
Sirtuin Sir2-Sir4 complex, molecular model
Argonaute protein with guide DNA, molecular model
Leptin molecule
Erythropoietin hormone molecule
Elastase molecule and pancreas
Metallothionein protein
Green fluorescent protein molecule
Chaperone protein, molecular model
Transthyretin protein, molecular model
Molecular motor protein
Protozoan RNA-binding protein complex