Glycogen phosphorylase molecule
Human catalase, molecular model
Glutamine synthetase enzyme
HGPRTase molecule
Uricase enzyme, molecular model
Carbonic anhydrase molecule
Human lysine-specific demethylase
Alcohol dehydrogenase molecule
Hammerhead ribozyme molecule
Calcium pumping ATPase muscle enzyme
RNA duplex molecule
Scavenger mRNA-decapping enzyme
Lysozyme molecule
Family 84 glycoside hydrolase molecule
Antibody fragment-lysozyme complex
Glycogen phosphorylase active site
HIV enzyme protein, molecular model
MDM2 and tumour suppressor p53, illustration
Epidermal growth factor molecule
Glycosylation enzyme 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
Hexokinase sugar enzyme
PolyA polymerase, molecular model
Cyclin-dependent kinase inhibitor complex
Argonaute protein molecule
Sirtuin enzyme and p53, artwork
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
Pyruvate dehydrogenase complex enzyme
Cytochrome P450 and erythromycin
Src protein molecule
Dynamin enzyme, molecular model
Polynucleotide phosphorylase molecule
Anthrax bacillus glms ribozyme
Citrate acid cycle enzyme
DNA gyrase protein segment
Proteinase inhibitor molecule
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
DNA transcription, molecular model
Citrate synthase molecule
Simian virus SV40 large T antigen
Bioluminescent enzyme molecule
DNA and MECP2 complex, molecular model
mRNA capping apparatus
DNA repair enzyme, molecular model
Iron-regulatory protein bound to RNA
Methionine aminopeptidase molecule
Bacterial protease molecule
NpmA methyltransferase
Ubiquitinin molecule, molecular model
Human haemoglobin molecule
Zinc transporter Yiip molecule
Potassium ion channel
Repair protein and DNA, molecular model
Transducin protein beta-gamma complex
Nucleosome, illustration
Wilms tumor suppressor bound to DNA
H-Ras p21 oncogene protein
Endonuclease and DNA, molecular model
Multidrug transporter molecule
SelB elongation factor bound to RNA
Bacterial nanocompartment
Urea channel molecule
ATP-binding cassette transporter
UV-damaged DNA-binding protein and DNA
Guanine-responsive riboswitch
Thymine molecule, artwork
Transcription factor complexed with DNA
Max transcription factor-DNA complex
Human RNA exosome complex, molecular mode
ATP-dependent protease molecule
RNA exosome complex, molecular model
RNA interference molecules
Ribonuclease A molecule
Tumour suppressor protein and DNA
Proliferating cell nuclear antigen
Shrew eye lens protein molecule
Adenovirus fibre shaft protein