Protein alpha helix structure, diagram
Alpha helix, illustration
Glycogen phosphorylase molecule
Glycogen phosphorylase active site
Birch pollen allergen, molecular model
Alpha helical coiled-coil, illustration
Beta pleated sheet, illustration
Birch pollen allergen
Glycosylation enzyme molecule
Myoglobin protein, molecular model
Sirtuin enzyme and p53, artwork
Myoglobin molecule
Human parvovirus B19 capsid
Tubulin dimer, molecular model
Protein beta sheets, illustration
Yeast Seipin with locking helix detection, molecular model
Synthetic helical peptide, illustration
Haemoglobin molecule, artwork
H-Ras p21 oncogene protein
Importin alpha 1 protein
Tumour suppressor p53 degraded by proteasome, illustration
CRISPR-CAS9 gene editing complex
Iron containing protein, molecular model
Ponatinib leukaemia drug molecule
Zinc fingers bound to a DNA strand
RNA polymerase II and TFIIB
Immunoglobulin G antibody molecule
Nucleosome, illustration
MDM2 and tumour suppressor p53, illustration
Ubiquitinin molecule, molecular model
HIV enzyme protein, molecular model
Signal recognition particle RNA molecule
Human catalase, molecular model
Human haemoglobin molecule
Glutamine synthetase enzyme
Wilms tumor suppressor bound to DNA
RNA duplex molecule
Hexokinase sugar enzyme
Citrate acid cycle enzyme
Epidermal growth factor molecule
DNA gyrase protein segment
Insect antifreeze protein
Proteinase inhibitor molecule
Tetraubiquitin protein molecule
PolyA polymerase, molecular model
HGPRTase molecule
Chitinase enzyme molecule
Epidermal growth factor and receptor
Calcium pumping ATPase muscle enzyme
Manganese catalase enzyme molecule
Fish antifreeze protein
Galactoside acetyltransferase molecule
Cell adhesion protein molecule
Endonuclease and DNA, molecular model
Lysozyme complexed with antibody
Hammerhead ribozyme molecule
DNA transcription, molecular model
Citrate synthase molecule
Shrew eye lens protein molecule
Importin heterodimer protein
Adenovirus fibre shaft protein
Uricase enzyme, molecular model
Scavenger mRNA-decapping enzyme
Simian virus SV40 large T antigen
Carbonic anhydrase molecule
Argonaute protein molecule
Ubiquitin molecule
Calcium-binding protein molecule
Nuclear import complex molecule
Bioluminescent enzyme molecule
Transthyretin blood protein
Multidrug transporter molecule
Haemoglobin, molecular model
Growth factor receptor molecule
Integrin transmembrane domain
Lysozyme molecule
SelB elongation factor bound to RNA
Eye lens protein molecule
Rabbit eye lens protein molecule
Family 84 glycoside hydrolase molecule
DNA and MECP2 complex, molecular model
Bacterial nanocompartment
Human pathogen recognition molecule
P-glycoprotein molecule
Zinc transporter Yiip molecule
mRNA capping apparatus
DNA repair enzyme, molecular model
Iron-regulatory protein bound to RNA
cAMP-dependent protein kinase molecule
Urea channel molecule
ATP-binding cassette transporter
Transcription factor bound to DNA