Light-harvesting protein complex
Purple bacterium photosynthesis centre
Bacterial protein-chaperone complex
Herpesvirus surface protein molecule
Lumazine synthase molecule
Bacterial regulator-DNA complex
Methane monooxygenase enzyme
H-NS chromatin-structuring protein
Lambda repressor-operator complex
Ebola virus glycoprotein
Ribosomal RNA-binding protein molecule
Sendai virus phosphoprotein
Yeast enzyme, molecular model
E. coli DNA mismatch repair complex
Rift Valley Fever virus, molecular model
KSHV virus capsid, molecular model
Human polio virus, molecular model
HIV reverse transcription enzyme
Espirito santo virus, molecular model
Herpes simplex virus, molecular model
Adeno-associated virus, molecular model
Astrovirus capsid, molecular model
Polyomarvirus capsid, molecular model
ATP-dependent protease molecule
Bacterial nanocompartment
Chikungunya virus capsid
DNA gyrase protein segment
Flu virus particles, illustration
Teixobactin antibiotic structure formulae
RNA interference viral suppressor and RNA
EcoRV restriction enzyme molecule
Endonuclease IV molecule
RNA interference viral suppressor
Restriction enzyme cutting DNA
Restriction enzyme and DNA
Bacterial RNA-binding protein molecule
HU DNA binding protein molecule
ATPase molecule
Hendra virus fusion protein
Shrew eye lens protein molecule
Rabbit eye lens protein molecule
Tobacco mosaic virus, molecular model
Hepatitis E virus, molecular model
West Nile virus, molecular model
Hepatitis B virus, molecular model
Teixobactin antibiotic molecule
Phosphofructokinase bacterial enzyme
Yeast enzyme molecule
Multidrug transporter molecule, illustration
Respiratory complex I
FecA transmembrane channel
Succinyl-CoA synthetase enzyme
Bacterial RNA plasmid loop-loop complex
Biotin ligase enzyme, molecular model
Bacterial protease molecule
Resolvase complexed with DNA
Anthrax toxin prepore, molecular model
Bacteriophages infecting salmonella bacteria, illustration
Bacteria circadian clock protein molecule
Adenovirus fibre shaft protein
Marburg viral protein 35 and RNA
Dienoyl-coenzyme A isomerase molecule
HP1 molecule C-terminal domain
Signal recognition particle domain
Eye lens protein molecule
Kinesin motor protein molecule
Norovirus capsid, molecular model
Simian virus SV40 large T antigen
Multidrug transporter molecule
Urea channel molecule
Hepatitis D virus ribozyme complex
Succinate dehydrogenase enzyme
Bacterial penicillin-binding protein
Flu virus surface protein molecule
MscS ion channel protein structure
Photosystem I antenna complex
Photosystem I, molecular model
70S ribosome, molecular model
FP2 malaria protease enzyme complex
Alpha-beta T-cell receptor
MHC protein-antigen complex
Fungal prion protein
Dengue virus surface protein molecule
Tobacco mosaic virus coat protein
Methyltransferase complexed with DNA
Bioluminescent enzyme molecule
Catalase, molecular model
Antibiotic resistance enzyme molecule
Parvovirus particle, molecular model
DNA damage-inducible protein 1 protease, illustration
Photosystem I from a cyanobacterium, molecular model
Transcription activator and DNA
Mayaro virus, molecular model
Escherichia coli heat-labile enterotoxin
Gene activator protein
Nitrogen-fixing molybdenum iron enzyme
Pancreatic elastase enzyme
Manganese catalase enzyme molecule
Galactoside acetyltransferase molecule
Kaposi's sarcoma virus, illustration
Anthrax lethal factor molecule, illustration
SV40 antigen and tumor suppressor
Anthrax oedema factor molecule
Double-stranded RNA-ribonuclease III
Glutamate transporter protein
Insect antifreeze protein
Tetraubiquitin protein molecule
Fish antifreeze protein
Cell adhesion protein molecule
Importin heterodimer protein