Human dihydrofolate reductase
Dihydrofolate reductase complex
Methyl-coenzyme M reductase
Sepiapterin reductase molecule
Nitric oxide synthase reductase
Caspase-1 molecule
Seryl-tRNA complex
PhaB reductase complex, molecular model
Transcriptional repressor NrdR, molecular model
Human CYB5R3 complexed with FAD, illustration
Hepatitis C virus RNA polymerase
Glucose oxidase molecule
GTP cyclohydrolase I molecule
PTPS synthase molecule
RNA polymerase holoenzyme
cAMP-dependent protein kinase
Nitric oxide synthase oxygenase
NSF molecule
Dihydrolipoyl succinyltransferase molecule
ALAD dehydratase enzyme
Human erythrocyte catalase
Subtilisin BPN molecule
Human sulfotransferase molecule
Antibody Fab complex
cAMP-dependent protein kinase complex
Bacterial rhomboid protease GlpG
H-NOX complexed to NO
Phosphoglucose isomerase molecule
Acetyltransferase complex
ABO glycosyltransferase
Preflagellin peptidase molecule
BRAF-MEK complex
Human pyruvate kinase M2 molecule
CCA-adding enzyme tRNA RNA complex
Beta-galactosidase molecule
Beta-glucosidase molecule
Human full-length chitotriosidase
Papain molecule
NpmA methyltransferase
Human dendritic cell inhibitory receptor
HIV-1 protease complex
HIV-1 proteinase complexed with inhibitor
Hen egg-white lysozyme molecule
Carbapenemase KPC-2 molecule with inhibitor
Enzyme and quinazoline drug
Proteinase inhibitor molecule
Chitinase enzyme molecule
Hydroxysteroid dehydrogenase molecule
Cytochrome P450 and erythromycin
Blood coagulation factor Xa molecule
DNA polymerase sliding clamp complex
Phenylalanyl-tRNA synthetase complex
Bacterial manganese catalase molecule
Tubulin complexed with stathmin-like protein
Prostaglandin H2 synthase-1
Bacterial sensor histidine kinase molecule
Signal transduction histidine kinase
Kinesin complexed with tubulin
D-alanyl-D-alanine peptidase molecule
Tuberculosis proteasome activator
Telomerase with telomeric DNA, molecular model
Rhomboid protease enzyme
Amylase enzyme
Chemokine receptor CXCR4
Inhibitor Lin28 microRNA complex
D-xylose isomerase complex
FMN riboswitch complexed with inhibitor
Adenylyl cyclase enzyme molecule
Ribonuclease bound to inhibitor
HIV-1 protease complexed with NR02-73, molecular model
Zika virus protease with inhibitor, molecular model
New Delhi metallo-beta-lactamase molecule
Falcipain-2 complexed with cystatin
Vitamin B6 pyridoxal molecule
Vitamin B6 pyridoxamine molecule
Vitamin B6 pyridoxine molecule
Kinase complexed with vemurafenib, molecular model
Nerve growth factor molecule
Artificial haemoglobin molecule
Bacteriophage phiX174 molecule
Calmodulin molecule
Chaperone peptide complex
Rhodopsin molecule
Ferritin molecule
Aquaporin-1 molecule
Bacterial aquaglyceroporin
Prefoldin molecule
Human fibrin fragment molecule
Sensory rhodopsin II molecule
Truncated haemoglobin molecule
Zinc finger protein EEA1
Lectin molecule
Tumour suppressor p53 molecule
Borna disease virus nucleoprotein
DNA sliding clamp complex
Antifreeze protein from winter flounder
Actin complexed with human gelsolin
Lac repressor molecule complex
Ribosomal protein complex
Chaperone GRP94 with ADP bound
Human papilloma virus capsid protein
Titin chain
Neurotrophin complexed with receptor
Catalytic domain of guanylate cyclase
Rotavirus inner capsid VP7 coating
Human Rhesus glycoprotein
Cytoplasmic polyhedrosis virus (CPV)
Vinculin complexed with actin
Human retinoschisin molecule
Lassa virus nucleoprotein molecule
Rift valley fever virus nucleoprotein
Adeno-associated virus capsid molecule
Human monoclonal antibody E317
Bacterial ParM filament
Porin molecule
Lassa virus nucleoprotein complex
Schmallenberg virus complex
Ebola virus VP40 matrix protein
Human argonaute2 protein
Coxsackie virus capsid
Human deglycase DJ-1 protein
Human transthyretin molecule
Herpes simplex virus 1 tegument protein
Human argonaute2 complex
Lassa virus receptor binding domain
Human Aichi virus A capsid
DNA sliding clamp
Herpes simplex virus ICP27 protein
HIV-1 antibody
Hepatitis B virus capsid molecule
Fis nucleoid protein complexed with DNA
Bacterial multidrug efflux pump
Toscana virus nucleocapsid protein
Photoswitchable protein molecule
Ammonia-permeable aquaporin molecule
Lassa virus matrix protein Z
LCMV glycoprotein molecule
Importin alpha 1 protein
Methotrexate drug molecule
AP2 clathrin adapter complex
F420-reducing hydrogenase molecule
Transcription initiation complex
Phycocyanin molecule
D-amino acid oxidase enzyme
Alpha-glucosidase complex
Alpha1-antitrypsin molecule
Threonyl-tRNA synthetase complex
Messenger-RNA capping enzyme
Messenger-RNA decapping enzyme complex
CYPR2R1 complexed with vitamin D3
Adenosine deaminase RNA complex
Enzyme Mmel DNA complex
Bovine coronavirus enzyme
Fokl endonuclease bound to DNA
Selenocysteine synthase molecule
Human topoisomerase I complexed with DNA
HIV-1 integrase molecule
DNA glycosylase complexed with DNA
Lumazine synthase molecule
FokI nuclease bound to DNA
Endonuclease IV complexed with DNA
HIV-1 reverse transcriptase complex
Endonuclease complexed with DNA
Human RuvB-like helicase RuvBL1
Human dynamin PH domain
Ribonuclease III complex
Ribonuclease complexed with RNA
Z-RNA editing enzyme complex
Importin 13 complexed with Ubc9
Isoprene synthase molecule complex
Hammerhead ribozyme molecule
Nucleotidyltransferase fold protein MAB21L1
CCA-adding enzyme complex
ARNT-HIF complex with hypoxia response element, illustration
Cas1-Cas2 nuclease complex
Cas3 protein complexed with viral DNA
Bioluminescent enzyme molecule
Prasterone hormone molecule