Tetraubiquitin protein molecule
Insect antifreeze protein
Fish antifreeze protein
Importin heterodimer protein
Argonaute protein molecule
Calcium-binding protein molecule
Eye lens protein molecule
cAMP-dependent protein kinase molecule
Malignant brain-tumor-like protein
Heat shock protein 90 chaperone complex
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
Chloride ion channel, molecular model
Importin alpha 1 protein
UV-damaged DNA-binding protein and DNA
Small heat shock protein
Tumour suppressor protein and DNA
Ubiquitinin molecule, molecular model
Nucleoplasmin molecule
Sirtuin enzyme and p53, artwork
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
Adenovirus fibre shaft protein
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
Antibody fragment-lysozyme complex
Cyclin-dependent kinase inhibitor complex
DNA gyrase protein segment
Transthyretin blood protein
Iron-regulatory protein bound to RNA
Transducin protein beta-gamma complex
Endonuclease and DNA, molecular model
Wilms tumor suppressor bound to DNA
SelB elongation factor bound to RNA
ATP-binding cassette transporter
Guanine-responsive riboswitch
Repair protein and DNA, molecular model
Adenine molecule, artwork
Heterotrimeric G protein molecule
Multidrug transporter molecule
Bacterial nanocompartment
Urea channel molecule
Pyruvate dehydrogenase complex enzyme
Cytochrome P450 and erythromycin
Beta-2 adrenergic receptor molecule
Citrate acid cycle enzyme
Proteinase inhibitor molecule
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
Hammerhead ribozyme molecule
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
NpmA methyltransferase
Bone morphogenetic protein complex
Immunoglobulin G antibody molecule
Transcription factor complexed with DNA
Max transcription factor-DNA complex
Notch transcription, molecular model
Bacterial RNA-binding protein molecule
Myoglobin protein, molecular model
Vitamin B12 and CblC enzyme
Nerve growth factor protein complex
Chaperonin folding protein
Argonaute protein and RNA
Cytochrome b6f complex, molecular model
Toll-like receptor 3 and RNA
Cytochrome BC1 molecule
tRNA molecule
Clathrin lattice, molecular model
HIV-1 capsid structure
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
Rhomboid protease enzyme
Amylase enzyme
Bacterial protease molecule
DNA tetranucleosome, molecular model
DNA polymerase with DNA
Tryptophanyl-tRNA synthetase molecule
Tyrosyl-tRNA synthetase molecule
Synthetic DNA triplex molecule
Signal recognition particle RNA molecule
Human electron transfer flavoprotein
Hin recombinase-DNA complex
Type IV collagen, molecular model
B-Z junction in DNA, molecular model
Biotin ligase enzyme, molecular model
Beta-galactosidase molecule
Cytochrome c oxidase molecule
Thymidylic acid-ribonuclease A complex
Anthrax toxin prepore, molecular model
Human growth hormone molecule, artwork
Insulin molecule, artwork
Hepatitis C proteins and drug complex
FecA transmembrane channel
DNA helicase molecule
SelB elongation factor
Ebola matrix protein molecule
TATA box-binding protein complex
HU DNA binding protein molecule
Lactose binding protein molecule
Tumour suppressor protein molecular model
Elongation factors Tu and Ts
Nerve growth factor bound to receptor
Bovine coronavirus enzyme
RiVax ricin vaccine
Heterotrimeric G protein complex molecule
Bacterial protein-chaperone complex
Glycogen phosphorylase molecule