Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
GABA B receptors  are G protein-coupled receptors, also called metabotropic receptors.  Binding of  an agonist (baclofen, red) leads to a G-protein coupled C-AMP signaling pathway. Source: PDB entries 7eb2, 6r3q,.
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer
3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, white background.
A ball and stick model of Human Insulin. Isolated on black.
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
Molecular model of amylose, one of the two sugar components in starch
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
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.
organic chemistry, model of the protein molecule - illustration of a biological particle
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.
Rhodopsin is a light sensitive G-protein coupled receptor with retinal (red) as cofactor.  that stimulates the G-protein transducin (blue), which releases GDP and binds GTP (yellow) resulting in the liberation of its  subunit (light blue).  Source: PDB entry 6oy9
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer,lipid bi-layer cell anatomy
Cell membrane cholesterol is shown in pink. 3D cartoon and Gaussian surface models, PDB 7rpk, white background.
Abstract finance Data representing sectors Changes, Concept of fintech technology and investment
3D model of a protein molecule. Endothelial tyrosine kinase receptor, a marker of angiogenesis.
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.
Isolated Proteasome with protein conjugated with ubiquitin 3d rendering
Phospholipid bilayer membrane structures that make up living cells and their contents. This is an image of membrane proteins in the membrane.\nThis image, which looks like a plastic model, evokes biology and biochemistry. It can be used as a cover for magazines, textbooks and presentation materials.\nThis image was not created by AI.
The glucagon like peptide-1 receptor (GLPr) is a G proteincoupled receptor (GPCR) that mediates the action of GLP-1, a peptide hormone. The activated receptor  has a strong effect  on the management of type 2 diabetes mellitus and obesity, including glucose homeostasis and regulation of gastric motility and food intake.
A model of a nucleosome. Isolated on black.
3D cartoon and Gaussian surface models, PDB 2zva, white background
Molecular model of amylose
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Evolution of nanotechnology and self-proliferation of therapeutic agents
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
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.
TRPV1 is an ion channel that senses heat, regulates the body temperature and contributes to pain sensation. Source: PDB entry 5is0.
chromosome,Human genome concept
3D cartoon model with the interacting residues labeled, PDB 2aot, black background.
A single tree grows in a quiet space. A tree with a very balanced shape. It bears light pink berries.\nShades of Japanese spring. Tree with pink rice cakes.
Free Images: "bestof:Mu-opioid receptor (GPCR).png Based on coordinates for OPM 2iqo en wikipedia valeryns 2007-01-22 Bensaccount wikipedia en biology Bensaccount original upload"
Humanstemcell.JPG
Seleucus crater AS15-M-2621.jpg
Biochemistry.gif
EiffleView.jpg
RemediosPlaza.jpg
RemediosPortals.jpg
Sunset 6.jpg
Formula RUS401.JPG
Inishowen sunset.jpg
Paleopoli Beach.jpg
Raageshwari 5.jpg
SunsetSevilla.jpg
Criccieth beach.JPG
Skillionsunrise.jpg
Brilliant sunset.jpg
Arromanches beach 3.jpg
Juhu Beach.JPG
Hellshire-beach.jpg
Oriental hybrid1.jpg
Saipan sunset 2.jpg
Mating butterflies.jpg
Pharez Whitted.jpg
AOper1.jpg
Lion in masai mara.jpg
Metreon-Center-Sunset.jpg
Zolli Ethosha House.jpg
BeaverSwimming.JPG
Mt. Abu Sunset 1990.jpg
Tryfan mountain goats.jpg
Arromanches beach 2.jpg
Bluefields Beach, Jamaica.jpg
Jazz knights 2009.jpg
RubyGoats.jpg
Madiz at sunset.jpg
Superiorsunrise.JPG
BrazeauRiver1.JPG
A Manual Antonio beach panorama.jpg
London Eye 27.jpg
Lake Conjola at sunset.JPG
Naze landscape.jpg
OtterinHolt.JPG
Massasauga01.jpg
Peace-River Nelson-BC.jpg
Sourlieswtreserve.JPG
Clearwater sunset.JPG
Sunset July 08 050.JPG
Sunset Juan Griego.JPG
Pomeroy St Pismo Beach.JPG
Wildlife 2.jpg
EGLS sunset.jpg
Baseball Grounds of Jacksonville.JPG
Yellow sunrise.JPG
SC195_Molina_and_Johnson.jpg
EmbarrasRiver.JPG
BOBGrindlewald.JPG
Crabtree Falls 4.JPG
WikiDartEngine.gif
Bison DSC00604.JPG
Geographe bay sunset hossen27.jpg
Kijkduin Beach.jpg
Parkes at Sunset.JPG
Sunrise on the Skyline.JPG
Manly Beach cyclepath.jpg
Unidentified sunset.JPG
Agraffebridge.jpg
Sunset Acapulco.jpg
Giverny.jpg
WildlifeHamilton.JPG
Philadelphia skyline sunset.jpg
Dreamland Beach (Bali, Indonesia).jpg
Hidden beach winter.jpg
Kastania sunset.JPG
Aris Baseball Team 2006-2007.jpg
Sunset 2007-02-02.jpg
Gadiara Sunset.JPG
Harrison Crawford Obannon Woods building.jpg
Giardini Naxos at sunrise.JPG
Ratha landscape better.JPG
Gangavaram beach.jpg
Raabylille-sunset.JPG
Cuckmerehavensunrise.jpg
Vishniac.jpg
Beadle 4100332365 2ea84c9b70 o.jpg
Livermore 4586278125 05331e39e0 o.jpg
Japanese_American_Internment_Center.jpg
Avdat02.JPG
AucklandZoo.1035.JPG
Crabtree Falls 11.JPG
Black carpenter ant.jpg
Agoura hills sunset.JPG
Maasai women and children.jpg
Caprafalconeriheptneri.JPG
Golden Sunset Resort 0001.jpg
Ohrid ancient theatre.JPG
FortVermilion-Sunset.JPG
Whitetailedprairiedoghi.jpg
Alex Martinez - baseball - UCLA Bruins.jpg
SoccerPark main.jpg
Sunset-after-rain-revere-beach-causevic.jpg
Sandspit Beach Sept-2009.JPG
Terms of Use   Search of the Day