Tetraubiquitin protein molecule
Insect antifreeze protein
Fish antifreeze protein
Importin heterodimer protein
Calcium-binding protein molecule
Eye lens protein molecule
cAMP-dependent protein kinase molecule
Malignant brain-tumor-like protein
Cell adhesion protein molecule
Epidermal growth factor molecule
HGPRTase molecule
Epidermal growth factor and receptor
Calcium pumping ATPase muscle enzyme
Uricase enzyme, molecular model
Carbonic anhydrase molecule
Ubiquitin molecule
Glycosylation enzyme molecule
Nuclear import complex molecule
Human pathogen recognition molecule
P-glycoprotein molecule
Human lysine-specific demethylase
Alcohol dehydrogenase molecule
Small heat shock protein
UV-damaged DNA-binding protein and DNA
Heat shock protein 90 chaperone complex
Argonaute protein molecule
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
Src protein molecule
Hexokinase sugar enzyme
PolyA polymerase, molecular model
Scavenger mRNA-decapping enzyme
Growth factor receptor molecule
Lysozyme molecule
Family 84 glycoside hydrolase molecule
Zinc transporter Yiip molecule
DNA gyrase protein segment
Transthyretin blood protein
Iron-regulatory protein bound to RNA
Endonuclease and DNA, molecular model
Wilms tumor suppressor bound to DNA
SelB elongation factor bound to RNA
ATP-binding cassette transporter
Guanine-responsive riboswitch
Human catalase, molecular model
Glutamine synthetase enzyme
Glycogen phosphorylase molecule
Chloride ion channel, molecular model
Nucleoplasmin molecule
Myoglobin molecule
Photosystem I antenna complex
Photosystem I, molecular model
H-Ras p21 oncogene protein
Importin alpha 1 protein
Heterotrimeric G protein molecule
Ubiquitinin molecule, molecular model
Multidrug transporter molecule
Bacterial nanocompartment
Urea channel molecule
Pyruvate dehydrogenase complex enzyme
Cytochrome P450 and erythromycin
Beta-2 adrenergic receptor molecule
MDM2 and tumour suppressor p53, illustration
Citrate acid cycle enzyme
Proteinase inhibitor molecule
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
DNA transcription, molecular model
Citrate synthase molecule
Bioluminescent enzyme molecule
Haemoglobin, molecular model
Integrin transmembrane domain
DNA and MECP2 complex, molecular model
mRNA capping apparatus
DNA repair enzyme, molecular model
Transcription factor bound to DNA
Methionine aminopeptidase molecule
Human haemoglobin molecule
Antibody fragment-lysozyme complex
Cyclin-dependent kinase inhibitor complex
Tumour suppressor protein and DNA
Transducin protein beta-gamma complex
RNA duplex molecule
Repair protein and DNA, molecular model
Sirtuin enzyme and p53, artwork
Adenovirus fibre shaft protein
Thymine molecule, artwork
Transcription factor complexed with DNA
Max transcription factor-DNA complex
Cytochrome b6f complex, molecular model
Toll-like receptor 3 and RNA
Cytochrome BC1 molecule
tRNA molecule
Clathrin lattice, molecular model
Transthyretin protein, illustration
Adenine molecule, artwork
Simian virus SV40 large T antigen
Human RNA exosome complex, molecular mode
ATP-dependent protease molecule
RNA exosome complex, molecular model
RNA interference molecules
Ribonuclease A molecule
Nucleosome, illustration
Dynamin enzyme, molecular model
Potassium ion channel
Bone morphogenetic protein complex
FecA transmembrane channel
Bacterial protease molecule
Bacterial RNA-binding protein molecule
HU DNA binding protein molecule
HIV enzyme protein, molecular model