Glutamine synthetase enzyme
Uricase enzyme, molecular model
Calcium pumping ATPase muscle enzyme
Human catalase, molecular model
Scavenger mRNA-decapping enzyme
Glycogen phosphorylase molecule
HGPRTase molecule
Carbonic anhydrase molecule
Human lysine-specific demethylase
Alcohol dehydrogenase molecule
Glycosylation enzyme molecule
Hexokinase sugar enzyme
Sirtuin enzyme and p53, artwork
Lysozyme molecule
Family 84 glycoside hydrolase molecule
Antibody fragment-lysozyme complex
Pyruvate dehydrogenase complex enzyme
Dynamin enzyme, molecular model
Citrate acid cycle enzyme
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Bioluminescent enzyme molecule
DNA repair enzyme, molecular model
MDM2 and tumour suppressor p53, illustration
Epidermal growth factor molecule
Argonaute protein molecule
Calcium-binding protein molecule
P-glycoprotein molecule
Malignant brain-tumor-like protein
Heat shock protein 90 chaperone complex
Chloride ion channel, molecular model
Nucleoplasmin molecule
Small heat shock protein
Tumour suppressor p53 degraded by proteasome, illustration
PolyA polymerase, molecular model
Cyclin-dependent kinase inhibitor complex
HIV enzyme protein, molecular model
Amylase enzyme
Rhomboid protease enzyme
Human haemoglobin molecule
Yeast enzyme, molecular model
Ubiquitinin molecule, molecular model
Insect antifreeze protein
Tetraubiquitin protein molecule
Epidermal growth factor and receptor
Fish antifreeze protein
Importin heterodimer protein
Ubiquitin molecule
Nuclear import complex molecule
Eye lens protein molecule
Human pathogen recognition molecule
cAMP-dependent protein kinase molecule
Myoglobin molecule
Photosystem I antenna complex
Photosystem I, molecular model
Cell adhesion protein molecule
Growth factor receptor molecule
Cytochrome P450 and erythromycin
Src protein molecule
Vitamin B12 and CblC enzyme
Wilms tumor suppressor bound to DNA
RNA duplex molecule
DNA gyrase protein segment
Proteinase inhibitor molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
Hammerhead ribozyme molecule
DNA transcription, molecular model
Citrate synthase molecule
Simian virus SV40 large T antigen
DNA and MECP2 complex, molecular model
mRNA capping apparatus
Iron-regulatory protein bound to RNA
Methionine aminopeptidase molecule
NpmA methyltransferase
Yeast enzyme molecule
Bacterial protease molecule
Tryptophanyl-tRNA synthetase molecule
Tyrosyl-tRNA synthetase molecule
Glutaminyl-tRNA synthetase molecule
Bovine coronavirus enzyme
Zinc transporter Yiip molecule
Tumour suppressor protein and DNA
Biotin ligase enzyme, molecular model
Potassium ion channel
Repair protein and DNA, molecular model
Transducin protein beta-gamma complex
Nucleosome, illustration
H-Ras p21 oncogene protein
Endonuclease and DNA, molecular model
Shrew eye lens protein molecule
Adenovirus fibre shaft protein
Multidrug transporter molecule
SelB elongation factor bound to RNA
Rabbit eye lens protein molecule
Bacterial nanocompartment
Urea channel molecule
ATP-binding cassette transporter