Human catalase, molecular model
Glutamine synthetase enzyme
HGPRTase molecule
Uricase enzyme, molecular model
Carbonic anhydrase molecule
Human lysine-specific demethylase
Alcohol dehydrogenase molecule
Glycogen phosphorylase molecule
Calcium pumping ATPase muscle enzyme
Scavenger mRNA-decapping enzyme
Lysozyme molecule
Family 84 glycoside hydrolase molecule
Antibody fragment-lysozyme complex
Manganese catalase enzyme molecule
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
Hexokinase sugar enzyme
PolyA polymerase, molecular model
Cyclin-dependent kinase inhibitor complex
Argonaute protein molecule
MDM2 and tumour suppressor p53, illustration
Human haemoglobin molecule
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
Photosystem I antenna complex
Photosystem I, molecular model
Myoglobin molecule
Cell adhesion protein molecule
Growth factor receptor molecule
Tumour suppressor p53 degraded by proteasome, illustration
Catalase, molecular model
Pyruvate dehydrogenase complex enzyme
Cytochrome P450 and erythromycin
Src protein molecule
Dynamin enzyme, molecular model
Wilms tumor suppressor bound to DNA
RNA duplex molecule
Sirtuin enzyme and p53, artwork
Citrate acid cycle enzyme
DNA gyrase protein segment
Proteinase inhibitor molecule
Chitinase enzyme molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
DNA transcription, molecular model
Citrate synthase molecule
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
HIV enzyme protein, molecular model
Hammerhead ribozyme molecule
NpmA methyltransferase
Ubiquitinin molecule, molecular model
Zinc transporter Yiip molecule
Potassium ion channel
Repair protein and DNA, molecular model
Transducin protein beta-gamma complex
Endonuclease and DNA, molecular model
SelB elongation factor bound to RNA
ATP-binding cassette transporter
UV-damaged DNA-binding protein and DNA
Guanine-responsive riboswitch
H-Ras p21 oncogene protein
Simian virus SV40 large T antigen
ATP-dependent protease molecule
RNA exosome complex, molecular model
RNA interference molecules
Ribonuclease A molecule
Human RNA exosome complex, molecular mode
Transcription factor complexed with DNA
Max transcription factor-DNA complex
Thymine molecule, artwork
Proliferating cell nuclear antigen
Signal recognition particle RNA molecule
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
Importin alpha 1 protein
Rhomboid protease enzyme