Cell adhesion protein molecule
Growth factor receptor molecule
Zinc transporter Yiip molecule
Beta-2 adrenergic receptor molecule
Integrin transmembrane domain
Chloride ion channel, molecular model
Calcium-binding protein molecule
Malignant brain-tumor-like protein
Insect antifreeze protein
Tetraubiquitin protein molecule
Fish antifreeze protein
Importin heterodimer protein
Eye lens protein molecule
cAMP-dependent protein kinase molecule
Epidermal growth factor molecule
HGPRTase molecule
Calcium pumping ATPase muscle enzyme
Uricase enzyme, molecular model
Scavenger mRNA-decapping enzyme
Carbonic anhydrase molecule
Glycosylation enzyme molecule
Lysozyme molecule
Family 84 glycoside hydrolase molecule
P-glycoprotein molecule
Human lysine-specific demethylase
Alcohol dehydrogenase molecule
Small heat shock protein
Heat shock protein 90 chaperone complex
FecA transmembrane channel
Argonaute protein molecule
Src protein molecule
Hexokinase sugar enzyme
PolyA polymerase, molecular model
Epidermal growth factor and receptor
Ubiquitin molecule
Nuclear import complex molecule
Human pathogen recognition molecule
DNA gyrase protein segment
Transthyretin blood protein
Iron-regulatory protein bound to RNA
UV-damaged DNA-binding protein and DNA
MDM2 and tumour suppressor p53, illustration
Glycogen phosphorylase molecule
Human catalase, molecular model
Glutamine synthetase enzyme
Antibody fragment-lysozyme complex
Nucleoplasmin molecule
Transducin protein beta-gamma complex
Repair protein and DNA, molecular model
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
Tumour suppressor protein and DNA
Sirtuin enzyme and p53, artwork
Sodium proton antiporter molecule
Dispatched-1 protein, illustration
Pyruvate dehydrogenase complex enzyme
Cytochrome P450 and erythromycin
Citrate acid cycle enzyme
Proteinase inhibitor molecule
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Galactoside acetyltransferase molecule
Endonuclease and DNA, molecular model
Lysozyme complexed with antibody
DNA transcription, molecular model
Citrate synthase molecule
Simian virus SV40 large T antigen
Bioluminescent enzyme molecule
Multidrug transporter molecule
Haemoglobin, molecular model
Wilms tumor suppressor bound to DNA
SelB elongation factor bound to RNA
DNA and MECP2 complex, molecular model
Bacterial nanocompartment
mRNA capping apparatus
DNA repair enzyme, molecular model
Urea channel molecule
ATP-binding cassette transporter
Transcription factor bound to DNA
Guanine-responsive riboswitch
Methionine aminopeptidase molecule
Tumour suppressor p53 degraded by proteasome, illustration
Human haemoglobin molecule
Cyclin-dependent kinase inhibitor complex
Photosystem I antenna complex
Photosystem I, molecular model
Myoglobin molecule
H-Ras p21 oncogene protein
Potassium ion channel
Bone morphogenetic protein complex
Bacterial RNA-binding protein molecule
Adenovirus fibre shaft protein
Importin alpha 1 protein
Heterotrimeric G protein molecule
Ubiquitinin molecule, molecular model
Vitamin B12 and CblC enzyme
ATP-dependent protease molecule
RNA exosome complex, molecular model
RNA interference molecules
Ribonuclease A molecule
Human RNA exosome complex, molecular mode
Dynamin enzyme, molecular model
Cholesterol binding to G-protein coupled receptor, illustration
Nucleosome, illustration
RNA duplex molecule
HU DNA binding protein molecule
Transcription factor complexed with DNA
Max transcription factor-DNA complex
Bacterial protease molecule
Thymine molecule, artwork
DNA tetranucleosome, molecular model