Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
A ribbons model of Human Growth Hormone, also known as Somatotropin, with a translucent surface model.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
3D cartoon and Gaussian surface models, chain id color scheme, PDB 5y0m, 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.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
Abstract geometric shape
Bovine beta-lactoglobulin protein, 3D structure. Major whey protein, present in cow milk. Important food allergen.
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.
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.
Escherichia Coli (E. Coli.) cells or bacteria under microscope in California City, California, United States
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
Ovarian Cancer Cell
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.
Lactose-negative biofilm-forming Enterobacter cloacae, resistant to multiple drugs.  Enterobacter cloacae is a member of the normal gut flora. These bacteria are responsable for many hospital-acquired infections for which the mortality rate is generally high.
Recombinant human insulin. 3d cartoon model based on protein data bank
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
3D CG rendered image of scientifically accurate Adeno-Associated Virus (AAV) Capsid Structure based on PDB : 1LP3 (capsomere)
Smaller and larger spheres flow in space while changing colour from left to right in a wavy motion. 3D digital render
Interleukin 13 (IL-13) cytokine protein. 3D illustration. Cartoon representation combined with semi-transparent surfaces.
Structure of Escherichia Coli
3D cartoon and Gaussian surface models, chain id color scheme, PDB 4ci9, white background
A ball and stick + ribbons model of Bowman-Birk Protease Inhibitor, more commonly abbreviated to BBI. It is used clinically to treat and help prevent cancer.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Freshness capsule
Abstract Pink And Green Knot
Salmonella bacterium found to be sensitive to all antibiotics tested for.
Calcium-binding atopy-related autoantigen 1, a protein that in humans is encoded by the CBARA1 gene.  A calcium binding atopy-related autoantigen. 3d rendering.
DNA A-T Pair
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
3d Golgi apparatus
Free Images: "bestof:PDB 2ofm EBI.png All beta proteins Lipocalins Lipocalins Retinol binding protein-like Nitrophorin 4 EBI License 2ofm June 5 2009 Nitrophorin 4 Files uploaded by"
2ph1 pdb gallery nucleotide binding-protein-2 (MinD homolog).svg
SNES controller.svg
PlayStation 3 gamepad.svg
Xbox360 gamepad.svg
Gameboy pocket.svg
Nintendo DS.svg
Zeebo.svg
Henry_John_Stock_-_Portrait_of_Violet_Clayton.jpg
Henry_John_Stock_-_Portrait_of_Winifred_Ianthe_Clayton.jpg
1-loc_t_1921.jpg
Molbio-Header-2.svg
Henry_John_Stock_-_The_Dryad.jpg
David E Lilienthal 1937.jpg
William-Adolphe_Bouguereau_-_La_Leçon_Difficile.jpg
1-tilden-lenglen.jpg
2-tilden_1922.jpg
4-loc-bain_t-vr_bj-dw.jpg
5-loc_tweiner-white-house1923.jpg
Antonio Cotti - Dante a Verona.jpg
Main protein structure levels pl.svg
Primärstruktur von Proteinen2.svg
Cell membrane detailed diagram blank.svg
Frederic_Leighton_-_Venus_Disrobing_for_the_Bath.jpg
Protein primary structure zh (zh-tw).svg
John_William_Waterhouse_-_The_Magic_Circle_(study).jpg
Notable mutations.svg
De Nieuwe Vismarkt te Amsterdam Rijksmuseum SK-A-2536.jpeg
Johann_Gottfried_Tannauer_03.jpg
Anna_Alma-Tadema_-_Sir_Lawrence_Alma-Tadema's_Library_in_Townshend_House,_London_-_Google_Art_Project.jpg
Swine flu infection exponent by county FluTracker June 2009.svg
Europe rail electrification en.svg
Leptodirus hohenwarti distribution german.svg
PDB 2ofm EBI.png
PDB 2at0 EBI.png
PDB 3c78 EBI.png
PDB 3c77 EBI.png
PDB 3c76 EBI.png
PDB 1u17 EBI.jpg
PDB 1u18 EBI.jpg
PDB 1np1 EBI.jpg
PDB 2np1 EBI.jpg
PDB 3np1 EBI.jpg
PDB 4np1 EBI.jpg
PDB 1pm1 EBI.jpg
PDB 2eu7 EBI.jpg
PDB 2hys EBI.jpg
PDB 2all EBI.jpg
PDB 2gtf EBI.jpg
PDB 2a3f EBI.jpg
PDB 2acp EBI.jpg
PDB 1t68 EBI.jpg
PDB 1pee EBI.jpg
PDB 2al0 EBI.jpg
PDB 2asn EBI.jpg
PDB 2ah7 EBI.jpg
PDB 2amm EBI.jpg
PDB 1euo EBI.jpg
PDB 1x8q EBI.jpg
PDB 1x8p EBI.jpg
PDB 1ywa EBI.jpg
PDB 1ywb EBI.jpg
PDB 1x8o EBI.jpg
PDB 1ywc EBI.jpg
PDB 1sy1 EBI.jpg
PDB 2at7 EBI.jpg
PDB 1sy3 EBI.jpg
PDB 1sxx EBI.jpg
PDB 2at8 EBI.jpg
PDB 1sy2 EBI.jpg
PDB 1koi EBI.jpg
PDB 2at4 EBI.jpg
PDB 1sxw EBI.jpg
PDB 1sxy EBI.jpg
PDB 1x8n EBI.jpg
PDB 1ywd EBI.jpg
PDB 1d2u EBI.jpg
PDB 1sy0 EBI.jpg
PDB 2at5 EBI.jpg
PDB 2at6 EBI.jpg
PDB 1ml7 EBI.jpg
PDB 1ikj EBI.jpg
PDB 1sxu EBI.jpg
PDB 1u0x EBI.jpg
PDB 1erx EBI.jpg
PDB 1d3s EBI.jpg
PDB 1ike EBI.jpg
PDB 1np4 EBI.jpg
PDB 1eqd EBI.jpg
PDB 2q2m EBI.png
PDB 2gj5 EBI.png
PDB 2q39 EBI.png
PDB 2r56 EBI.png
PDB 2q2p EBI.png
PDB 2joz EBI.png
PDB 2ozq EBI.png
PDB 2q9s EBI.png
PDB 2ju8 EBI.png
PDB 2ju7 EBI.png
PDB 2qm9 EBI.png
PDB 2ju3 EBI.png
Terms of Use   Search of the Day