Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
3D cartoon model, secondary structure color scheme, PDB 4krf, white background
The three-dimensional structure of proteins is represented in a variety of conformations. This image is based on the ribbon structure of a protein. It is suitable for biology notebooks and book covers.\nThis image has not been created by AI.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Molecular Model of Human Insulin with disulfide bonds shown.
Indoleamine 2,3 dioxygenase 1 (IDO1) protein. Tryptophan catabolic enzyme of the kynurenine pathway. 3D illustration.
A ball and stick + ribbons model of beta-secretase - a protein that is important in forming healthy peripheral nerve cells, but is also involved in the onset of Alzheimer's disease.
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria. Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
Neuroendocrine carcinoma well differentiated (carcinoid) rectum with immunostain synaptophysin
3D cartoon and Gaussian surface models, PDB 6vg8, white background
Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway. Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.
3D model of a protein molecule. The spatial oriented structure of the macromolecule.
Freshness capsule
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
A ball-and-stick molecular model of the hormone Orexin, also known as Hypocretin. Orexin is involved in the regulation of the sleep/wake cycle and it stimulates apetite, wakefulness and energy expenditure. It has been linked with Alzheimer's disease. Isolated on white.
Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.
Molecular Model of Infliximab, or Remicade, a monoclonal antibody against tumour necrosis factor alpha (TNF-α), which is used to treat autoimmune diseases
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
Immunoglobulin G (IgG) - 3d rendered image. Microbiology illustration the structure of an antibody. The Y-shaped structure. IgG is the most common type of antibody.
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
Rendered coronavirus/2019-nCoV single-stranded RNA, built from experimentally determined Ebola virus crystal structure. Color symbols - bluewhite=carbon, pink=oxygen, lightblue=nitrogen, white=hydrogen, lavender=phosphorus
Recombinant human insulin. 3d cartoon model based on protein data bank
A ball and stick + ribbons model of HIV protease - an enzyme that is the target of much AIDS and HIV research.
A new antibiotic (zosurabalpin, red) traps lipopolysaccharide (orange) in the intermembrane transporter of the Gram-negative bacterium Acinetobacter baylyi
DNA A-T Pair
3D cartoon and Gaussian surface models. PDB 2aai, white background.
Isolated Proteasome with protein conjugated with ubiquitin 3d rendering
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Brain-derived neurotrophic factor (3d), also known as BDNF, a protein that supports the survival of existing neurons, and encourages the growth and differentiation of new neurons and synapses.
A molecular model of Human Insulin. Isolated on black.
Free Images: "bestof:PDB 16vp EBI.jpg Alpha and beta proteins a+b Conserved core of transcriptional regulatory protein vp16 Conserved core of transcriptional regulatory protein vp16"
australian-background-broken-brown-1152861.jpg
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
Molbio-Header.svg
Hepatitis B virus v2.svg
Conserved residues.svg
Proteinoxidation 03.svg
Human genome by functions.svg
PDB 16vp EBI.jpg
PDB 1dbw EBI.jpg
PDB 1dck EBI.jpg
PDB 1d5w EBI.jpg
PDB 1dcm EBI.jpg
PDB 1qkk EBI.jpg
PDB 1l5y EBI.jpg
PDB 1l5z EBI.jpg
PDB 1zh2 EBI.jpg
PDB 1zh4 EBI.jpg
PDB 1ckv EBI.jpg
PDB 2mob EBI.jpg
PDB 2bf5 EBI.jpg
PDB 2bf2 EBI.jpg
PDB 1g11 EBI.jpg
PDB 1g10 EBI.jpg
PDB 1hqi EBI.jpg
PDB 2it9 EBI.jpg
PDB 2nvn EBI.jpg
PDB 2gia EBI.jpg
PDB 2gid EBI.jpg
PDB 2gje EBI.jpg
PDB 1jg5 EBI.jpg
PDB 1is8 EBI.jpg
PDB 1wpl EBI.jpg
PDB 1is7 EBI.jpg
PDB 1wpu EBI.jpg
PDB 1wmq EBI.jpg
PDB 2gzt EBI.jpg
PDB 1wpv EBI.jpg
PDB 1wrq EBI.jpg
PDB 1wro EBI.jpg
PDB 1wrn EBI.jpg
PDB 1vea EBI.jpg
PDB 1wps EBI.jpg
PDB 1wpt EBI.jpg
PDB 1ixm EBI.jpg
PDB 3boy EBI.png
PDB 1r9f EBI.jpg
PDB 1rpu EBI.jpg
PDB 1qu9 EBI.jpg
PDB 1j7h EBI.jpg
PDB 1buh EBI.jpg
PDB 1qd9 EBI.jpg
PDB 1xrg EBI.jpg
PDB 1a6j EBI.jpg
PDB 1z1a EBI.jpg
PDB 1q6w EBI.jpg
PDB 1tiq EBI.jpg
PDB 1nh8 EBI.jpg
PDB 1nh7 EBI.jpg
PDB 1h3d EBI.jpg
PDB 1q1k EBI.jpg
PDB 1usy EBI.jpg
PDB 1z7m EBI.jpg
PDB 1z7n EBI.jpg
PDB 2qmw EBI.png
PDB 3dw8 EBI.png
PDB 2p4w EBI.jpg
PDB 2ftk EBI.jpg
PDB 1f51 EBI.jpg
PDB 2fxa EBI.jpg
PDB 1ixc EBI.jpg
PDB 1iz1 EBI.jpg
PDB 1ys7 EBI.jpg
PDB 1ys6 EBI.jpg
PDB 2cg4 EBI.jpg
PDB 1yio EBI.jpg
PDB 1zn2 EBI.jpg
PDB 2nvw EBI.jpg
PDB 3e1k EBI.png
PDB 3cx5 EBI.png
PDB 3cxh EBI.png
PDB 2fe1 EBI.jpg
PDB 1uth EBI.jpg
PDB 1utb EBI.jpg
PDB 2fyi EBI.jpg
PDB 1i6a EBI.jpg
PDB 1i69 EBI.jpg
PDB 1jye EBI.jpg
PDB 2p9h EBI.jpg
PDB 1tlf EBI.jpg
PDB 1jyf EBI.jpg
PDB 1lbi EBI.jpg
PDB 1lbh EBI.jpg
PDB 2paf EBI.jpg
PDB 1mqi EBI.jpg
PDB 1mqd EBI.jpg
PDB 1m5e EBI.jpg
PDB 1p1o EBI.jpg
PDB 1mqj EBI.jpg
PDB 1m5c EBI.jpg
PDB 2al5 EBI.jpg
Terms of Use   Search of the Day