Clostridium botulinum neurotoxin
Clostridium botulinum toxin fragment
Botulinum type B neurotoxin
Escherichia coli heat-labile enterotoxin
Cholera cytolysin cell toxin
Cholera virulence regulator protein
Clostridium botulinum bacterium, SEM
Clostridium botulinum bacteria, SEM
Anthrax edema factor molecule
Testing food for botulism
Scorpion toxin bound to antibody
RSV virus fusion glycoprotein
Enterovirus capsid proteins structure
Botulinum toxin test
Testing for botulism, conceptual image
B19 parvovirus capsid protein
Vitamin B12 transport protein
Iron containing protein, molecular model
SARS coronavirus proteins, artwork
SARS coronavirus, artwork
Enterovirus particles
Influenza virus protein domain
HIV-1 reverse transcriptase enzyme
Hepatitis C polymerase enzyme
Hemolysin-coregulated protein
GCSF colony-stimulating factor hormone
Sensory rhodopsin transducer molecule
Bacterial outer membrane protein molecule
Retroviral intasome molecule
Influenza A non-structural-protein 1
Simian virus (SV40) large T antigen
MERS coronavirus, artwork
Tryptophan repressor bound to DNA
VSIV virus protein complex
Adenovirus fibre shaft protein
Yeast fungus lipase enzyme
Bacteriophage MS2 capsid protein
Gramicidin antibiotic molecule
Bacterial needle complex protein rings
HIV-1 polypurine tract, molecular model
Bacterial alcohol dehydrogenase molecule
Newcastle disease virus protein
Epidermal growth factor molecule
UVR8 protein molecule
Glycated haemoglobin molecule
Sodium V-ATPase rotor ring
Calcium ATPase ion pump
Cholera toxin molecule
EcoRV restriction enzyme molecule
Botulinum toxin A, molecular model
Nitrogen-fixing molybdenum iron enzyme
Aquaporin membrane protein
Viral RNA interference complex
Bacteriophage DNA packaging motor
Hepatitis B virus particle
LAC repressor bound to DNA
Immunoglobulin pentamer, artwork
DNA nucleosome, molecular model
Enzyme catalysing DNA recombination
DNA helicase molecule
Beta secretase enzyme, molecular model
Interferon antagonism by viral protein
Myoglobin molecule
Human prion precursor protein
Leptin molecule and fat cells
Nucleosome core particle bound to DNA
Immunoglobulin G antibody molecule
HIV reverse transcription enzyme
Clostridium botulinum, bacterium, SEM
Insulin molecule
Ribonuclease bound to inhibitor
Plant agglutinin protein
Apoptosome cell death protein
Tryparedoxin peroxidase molecule
Bacteriophage restriction enzyme
SMAD4 protein domain bound to DNA
Oxidoreductase enzyme complex
Iron-regulatory protein bound to RNA
Citrate synthase molecule
Cytochrome b5 molecule
Anaesthetic inhibiting an ion channel
Acyl-CoA hydrolase enzyme
Mitochondrial DNA binding protein
Tyrosine kinase ABL1 enzyme
Fatty acid dehydrogenase enzyme
Mouse VDAC1 membrane channel protein
FKBP52 immunoregulation enzyme
P32 mitochondrial matrix protein
Heterotrimeric G protein complex
Human antitumour antibody molecule
Importin protein complexed with enzyme
Chromatin remodelling factor and DNA
P11-annexin II complex, molecular model
RuBisCO activase enzyme
Oestrogen receptor bound to DNA
HGPRTase molecule
Isovaleryl dehydrogenase enzyme
Integrin, molecular model
Heat shock transcription factor and DNA
Chaperonin folding protein
Caspase 6 enzyme
Methyltransferase and DNA
Transcription repressor protein and DNA
Ionotropic glutamate receptor
ATPase molecule
Haemagglutinin viral surface protein
Amylase, molecular model
Thrombin complexed with fibrinogen
Retinal-producing oxygenase enzyme
DNA and MECP2 complex, molecular model
Clostridium botulinum -rod prokaryote, SEM
Methyltransferase complexed with DNA
Tumour suppressor protein molecular model
Channelrhodopsin molecule
Bacteria from a water butt, SEM
Bacterial histone molecule
Potassium channel molecule
Proliferating cell nuclear antigen
Pit-1 transcription factor bound to DNA
Bluetongue virus protein VP7 structure
HPV L1 surface protein
H1 antigen from 1918 influenza virus
Haemoglobin molecule
Nitrogenase protein, molecular model
Methamphetamine drug molecule, artwork
Kinesin motor protein dimer
CRISPR-CAS9 gene editing complex
Human insulin molecule
Cancer protein and drug complex
DNA and BDNF gene, molecular model
Tamoxifen cancer drug and ERR-gamma
Gene activator protein
DNA-bending protein, molecular model
Clostridium perfringens, bacterium, SEM
Human Apolipoprotein A-1 molecule