Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
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.
Ferritin is a protein that contains iron and is the primary form of iron stored inside of cells. 3D cartoon model, PDB 4y08, white background
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. 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.
c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.
Molecular Model of Infliximab, or Remicade, a monoclonal antibody against tumour necrosis factor alpha (TNF-α), which is used to treat autoimmune diseases
Aztreonam (left, orange) inhibits the beta-lactamase from Acinetobacter species. Avibactam (red) inhibits the beta-lactamase (blue) of Clostridioides difficile.
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.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Freshness capsule
3D cartoon and Gaussian surface models, PDB 2zva, white background
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.
Beta-amyloid (Abeta) peptide, 3D rendering. Major component of plaques found in Alzheimer's disease. Cartoon representation.
Molecular Model of Human Insulin with disulfide bonds shown.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. 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
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
A molecule of sucrose, showing thermal ellipsoids.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, white background
A ball and stick model of a molecule of gamma-Cyclodextrin. Composed of eight glucose sugar molecules bound into a ring structure, cyclodextrins are easily made from simple starch. The large ring can bind smaller molecules within it, making Cylodextrins useful in drug-delivery applications and also to clean up toxins (such as heavy metals) in the environment. Currently, gamma-Cyclodextrin is being considered as a structure which can bind to and hold carbon dioxide gas for carbon capture and storage as a way to manage the effect of excess carbon dioxide on the climate.
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
Molecular Model of Human Insulin with disulfide bonds shown.
Remdesivir is a broad-spectrum antiviral medication, it is a specific treatment for COVID-19. 3d illustration
Rendered Remdesivir molecule in 3D, an experimental drug from Gilead, used to cure the first case of 2019-nCoV in the United States (for a patient at Seattle, Washington). The model showed accurate atom connection and stereochemistry, which was professionally checked. Color symbols - light blue=carbon, red=oxygen, blue=nitrogen, white=hydrogen, green=phosphorus
PETase (left) degrades  polyethylene terephtalate (PET) into monohydroxyethyl terephthalate (MHET) and MHETase degrades MHET ethylene glycol (EG) and terephthalic acid (TPA). The substrates in the binding sites are depicted in red.
Multi-colored connected spheres building a molecular structure.
3D cartoon and Gaussian surface models, PDB 3hg3, white background
A model of a molecule of arginine, an amino acid. Amino acids are the building blocks of proteins and have many functions in metabolism. In particular, Arginine has an important function in the immune system, wound healing and cell division.
Bovine beta-lactoglobulin protein, 3D structure. Major whey protein, present in cow milk. Important food allergen.
DNA A-T Pair
Free Images: "bestof:PDB 1cwo EBI.jpg All beta proteins Cyclophilin-like Cyclophilin-like Cyclophilin peptidylprolyl isomerase Cyclophilin eukaryotic EBI License 1cwo November 16"
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
PDB 1cwo EBI.jpg
PDB 4cyh EBI.jpg
PDB 1cwb EBI.jpg
PDB 1awq EBI.jpg
PDB 1vbt EBI.jpg
PDB 1rmh EBI.jpg
PDB 1awv EBI.jpg
PDB 3cys EBI.jpg
PDB 1cyn EBI.jpg
PDB 1mzw EBI.jpg
PDB 1a33 EBI.jpg
PDB 1c5f EBI.jpg
PDB 1e3b EBI.jpg
PDB 1h0p EBI.jpg
PDB 1qnh EBI.jpg
PDB 1ist EBI.jpg
PDB 1xq7 EBI.jpg
PDB 2c3b EBI.jpg
PDB 1w8m EBI.jpg
PDB 1ynd EBI.jpg
PDB 2cpl EBI.jpg
PDB 2cyh EBI.jpg
PDB 1w8v EBI.jpg
PDB 1cwk EBI.jpg
PDB 1cwl EBI.jpg
PDB 1mik EBI.jpg
PDB 1bck EBI.jpg
PDB 1cwj EBI.jpg
PDB 1w8l EBI.jpg
PDB 1fgl EBI.jpg
PDB 1cwf EBI.jpg
PDB 1cwc EBI.jpg
PDB 2alf EBI.jpg
PDB 3cyh EBI.jpg
PDB 1cwh EBI.jpg
PDB 1cwm EBI.jpg
PDB 1aws EBI.jpg
PDB 1nmk EBI.jpg
PDB 1cwa EBI.jpg
PDB 2rma EBI.jpg
PDB 2rmb EBI.jpg
PDB 1vbs EBI.jpg
PDB 1cwi EBI.jpg
PDB 5cyh EBI.jpg
PDB 1zkf EBI.jpg
PDB 1awr EBI.jpg
PDB 1awu EBI.jpg
PDB 1awt EBI.jpg
PDB 1oca EBI.jpg
PDB 1qoi EBI.jpg
PDB 2rmc EBI.jpg
PDB 1a58 EBI.jpg
PDB 1dyw EBI.jpg
PDB 1e8k EBI.jpg
PDB 1qng EBI.jpg
PDB 1vdn EBI.jpg
PDB 1xo7 EBI.jpg
PDB 2esl EBI.jpg
PDB 1z81 EBI.jpg
PDB 1m63 EBI.jpg
PDB 1mf8 EBI.jpg
PDB 1vai EBI.jpg
PDB 1xyh EBI.jpg
PDB 1v9t EBI.jpg
PDB 1j2a EBI.jpg
PDB 2nul EBI.jpg
PDB 1w74 EBI.jpg
PDB 2cfe EBI.jpg
PDB 1zcx EBI.jpg
PDB 2b71 EBI.jpg
PDB 2biu EBI.jpg
PDB 2fu0 EBI.jpg
PDB 1lop EBI.jpg
PDB 1clh EBI.jpg
PDB 1zmf EBI.jpg
PDB 1zkc EBI.jpg
PDB 2bit EBI.jpg
PDB 2a2n EBI.jpg
PDB 1xwn EBI.jpg
PDB 1ihg EBI.jpg
PDB 1iip EBI.jpg
PDB 2igv EBI.png
PDB 2igw EBI.png
PDB 2ok3 EBI.png
PDB 2oju EBI.png
PDB 2z6w EBI.png
PDB 2r99 EBI.png
PDB 1zx8 EBI.jpg
PDB 1x7f EBI.jpg
PDB 2phc EBI.png
PDB 1r5b EBI.jpg
PDB 1r5n EBI.jpg
PDB 1r5o EBI.jpg
PDB 1i8d EBI.jpg
PDB 1pkv EBI.jpg
PDB 1hze EBI.jpg
PDB 1i18 EBI.jpg
PDB 1kzl EBI.jpg
PDB 1qfj EBI.jpg
Terms of Use   Search of the Day