Uricase enzyme, molecular model
Scavenger mRNA-decapping enzyme
Glutamine synthetase enzyme
HGPRTase molecule
Carbonic anhydrase molecule
Human lysine-specific demethylase
Alcohol dehydrogenase molecule
Calcium pumping ATPase muscle enzyme
Glycosylation enzyme molecule
Hexokinase sugar enzyme
Lysozyme molecule
Family 84 glycoside hydrolase molecule
Glycogen phosphorylase molecule
Human catalase, molecular model
Pyruvate dehydrogenase complex enzyme
Citrate acid cycle enzyme
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Bioluminescent enzyme molecule
DNA repair enzyme, molecular model
Epidermal growth factor molecule
Calcium-binding protein molecule
P-glycoprotein molecule
Malignant brain-tumor-like protein
PolyA polymerase, molecular model
Antibody fragment-lysozyme complex
Dynamin enzyme, 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
Cell adhesion protein molecule
Growth factor receptor molecule
Cytochrome P450 and erythromycin
Src protein molecule
Heat shock protein 90 chaperone complex
Chloride ion channel, molecular model
Nucleoplasmin molecule
Small heat shock protein
Sirtuin enzyme and p53, artwork
DNA gyrase protein segment
Proteinase inhibitor molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
DNA transcription, molecular model
Citrate synthase molecule
DNA and MECP2 complex, molecular model
mRNA capping apparatus
Iron-regulatory protein bound to RNA
Methionine aminopeptidase molecule
Cyclin-dependent kinase inhibitor complex
Argonaute protein molecule
Zinc transporter Yiip molecule
MDM2 and tumour suppressor p53, illustration
Endonuclease and DNA, molecular model
Wilms tumor suppressor bound to DNA
SelB elongation factor bound to RNA
ATP-binding cassette transporter
UV-damaged DNA-binding protein and DNA
Guanine-responsive riboswitch
Photosystem I antenna complex
Photosystem I, molecular model
Myoglobin molecule
Simian virus SV40 large T antigen
Tumour suppressor p53 degraded by proteasome, illustration
ATP-dependent protease molecule
RNA exosome complex, molecular model
RNA interference molecules
Ribonuclease A molecule
Human RNA exosome complex, molecular mode
Amylase enzyme
Rhomboid protease enzyme
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
HIV enzyme protein, molecular model
Yeast enzyme, molecular model
Bacterial protease molecule
Vitamin B12 and CblC enzyme
Hammerhead ribozyme molecule
NpmA methyltransferase
Elongation factors Tu and Ts
Ubiquitinin molecule, molecular model
Beta-2 adrenergic receptor molecule
Bovine coronavirus enzyme
Multidrug transporter molecule
Bacterial nanocompartment
Urea channel molecule
Transthyretin blood protein
Haemoglobin, molecular model
Integrin transmembrane domain
Transcription factor bound to DNA
Phosphofructokinase bacterial enzyme
Human haemoglobin molecule
Catalase, molecular model
Biotin ligase enzyme, molecular model
Potassium ion channel
Repair protein and DNA, molecular model
Transducin protein beta-gamma complex
RNA duplex molecule
H-Ras p21 oncogene protein
Transcription factor complexed with DNA
Max transcription factor-DNA complex
Thymine molecule, artwork
Proliferating cell nuclear antigen