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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,.
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.
3D cartoon and Gaussian surface models, chain id color scheme, PDB 7t3a, white background
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
DNA A-T Pair
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.
Neurotoxin concept Neurotoxin of type A of bacterium Clostridium botulinum which causes food intoxication botulism, molecular model 3d rendering
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.
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 androgen receptor (AR), also known as NR3C4 (nuclear receptor subfamily 3, group C, member 4), is a type of nuclear receptor that is activated by binding any of the androgenic hormones, including testosterone and dihydrotestosterone in the cytoplasm and then translocating into the nucleus. 3D cartoon model with the differently colored elements of the secondary structure, white background.
Cell Membrane Phospholipid Structure,Phospholipid bilayer of the cell membrane,Lipid bilayer,lipid bi-layer cell anatomy
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.
Gamma secretase protein complex. Multi-subunit intramembrane protease that plays role in processing of proteins. 3D illustration.
The crystal structure of the tumor marker protein. The 3D model of the biological macromolecule.
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 angiotensin converting enzyme 2 (ACE2, blue) in complex with the amino acid transporter BOAT 1 (violet). ACE2 is involved in control of blood pressure and is the target for the SARS-CoV-2 virus to infect human cells..\
Dengue virus cell. 3D Render
3D cartoon and Gaussian surface models. PDB 3kqg, chain id color scheme, white background.
Abstract geometric shape
3d rendering of ubiquitin is attached to target proteins by a process called ubiquitination
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.
Aromatase (estrogen synthase) enzyme. Protein responsible for the key step in the synthesis of estrogens. 3D illustration. Cartoon representation.
Background created by fractal geometry.
Bacterial multidrug efflux pumps (E-CmeB) expel antibiotics  from inside the bacterium (bottom): ciprofloxacin (yellow), chloramphenicol (violet),  ampicillin (red).
Neuron Network in the Brain. 3d Render
3D cartoon model, chain id color scheme, based on PDB 5toa, white background.
DNA Helix - 3d rendered image. Genetic research concept. Complex spiral structure illustration. Medical, science, genetic biotechnology, gene cell, chromosome idea. DNA strands on dark background . Science nanotechnology.
Rho guanine nucleotide exchange factor 7, which plays a fundamental role in numerous cellular processes that are initiated by extracellular stimuli that work through G protein-coupled receptors.
Smaller and larger spheres flow in space while changing colour from left to right in a wavy motion. 3D digital render
Free Images: "bestof:PDB 1c39 EBI.jpg All beta proteins Mannose 6-phosphate receptor domain Mannose 6-phosphate receptor domain Mannose 6-phosphate receptor domain Cation-dependent"
Carrots.png
Beta-D-Mannofuranose.svg
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Mannose-6-phosphate.svg
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Alpha-D-Mannofuranose.svg
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D-Mannose Keilstrich.svg
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D-Mannose.svg
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Gr(p) nucleoside.svg
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DBD-EnergyLevels.svg
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Beta-D-Sorbofuranose.svg
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Beta-D-Tagatofuranose.svg
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Beta-D-Arabinofuranose.svg
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Adherens Junctions structural proteins gl.svg
Beta-D-Glucopyranose.svg
Cellular tight junction-gl.svg
Insulin glucose metabolism ZP (it).svg
Diagramme pvt PP semi cristallin modele Tait.svg
Oscillator diagram2.svg
Beta-thujone.svg
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Glycogen structure.svg
Gumbel-Density.svg
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Complement pathway.svg
Hepatitis B virus v2.svg
PDB 1c39 EBI.jpg
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