NpmA methyltransferase
Rhomboid protease enzyme
Amylase enzyme
Importin alpha 1 protein
Bovine coronavirus enzyme
Bacterial penicillin-binding protein
Bioluminescent enzyme molecule
Hexokinase sugar enzyme
Citrate acid cycle enzyme
Pyruvate dehydrogenase complex enzyme
Elongation factors Tu and Ts
DNA gyrase protein segment
Proteinase inhibitor molecule
PolyA polymerase, molecular model
HGPRTase molecule
Chitinase enzyme molecule
Manganese catalase enzyme molecule
Galactoside acetyltransferase molecule
Lysozyme complexed with antibody
DNA transcription, molecular model
Citrate synthase molecule
Uricase enzyme, molecular model
Scavenger mRNA-decapping enzyme
Carbonic anhydrase molecule
Hydroxysteroid dehydrogenase molecule
ATP-dependent protease molecule
Cytochrome P450 and erythromycin
Lysozyme molecule
RNA exosome complex, molecular model
PolyA polymerase and RNA
Src protein molecule
Family 84 glycoside hydrolase molecule
RNA interference molecules
DNA and MECP2 complex, molecular model
mRNA capping apparatus
Glycosylation enzyme molecule
DNA repair enzyme, molecular model
Iron-regulatory protein bound to RNA
Human lysine-specific demethylase
Methionine aminopeptidase molecule
Ribonuclease A molecule
Alcohol dehydrogenase molecule
Human RNA exosome complex, molecular mode
Methyltransferase complexed with DNA
HIV-1 capsid structure
Chaperonin folding protein
RiVax ricin vaccine
SelB elongation factor
Argonaute protein and RNA
Anti-rotavirus antibody
Catalase, molecular model
D-amino acid oxidase enzyme
Enzyme and quinazoline drug
Simian virus SV40 large T antigen
Membrane proton pump
Cytochrome b6f complex, molecular model
Glycogen phosphorylase molecule
Human catalase, molecular model
Glutamine synthetase enzyme
Antibody fragment-lysozyme complex
Cyclin-dependent kinase inhibitor complex
Dynamin enzyme, molecular model
Amylase, molecular model
Elongation factor Tu and tRNA
Oxidoreductase enzyme complex
Caspase-3 and inhibitor
Chymotrypsin digestive enzyme molecule
ATP synthase rotor ring
Calcium pumping ATPase muscle enzyme
Hammerhead ribozyme molecule
Serotonin N-acetyltransferase complex
Isocitrate dehydrogenase kinase
Cytochrome P450 and fluconazole
Dihydrodipicolinate synthase enzyme
Epidermal growth factor molecule
Insect antifreeze protein
Tetraubiquitin protein molecule
Heterotrimeric G protein molecule
Epidermal growth factor and receptor
Fish antifreeze protein
Cell adhesion protein molecule
Endonuclease and DNA, molecular model
Fibrinogen molecule
Importin heterodimer protein
Nerve growth factor bound to receptor
Transcription activation of IFN-beta gene
Ubiquitin molecule
Calcium-binding protein molecule
Nuclear import complex molecule
Transthyretin blood protein
Haemoglobin, molecular model
Growth factor receptor molecule
Integrin transmembrane domain
Lactose binding protein molecule
Wilms tumor suppressor bound to DNA
Beta-2 adrenergic receptor molecule
SelB elongation factor bound to RNA
Eye lens protein molecule
Toll-like receptor 3 and RNA
Human pathogen recognition molecule
P-glycoprotein molecule
Cytochrome BC1 molecule
Zinc transporter Yiip molecule
cAMP-dependent protein kinase molecule
ATP-binding cassette transporter
Transcription factor bound to DNA
UV-damaged DNA-binding protein and DNA
Guanine-responsive riboswitch
Malignant brain-tumor-like protein
tRNA molecule
Clathrin lattice, molecular model
Pancreatic elastase enzyme
Tumour suppressor p53 degraded by proteasome, illustration
Respiratory complex I
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
Double-stranded RNA-ribonuclease III