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DNA methylation is the main epigenetic modfication of DNA. Methylation can change the activity of a DNA segment. The DNA methyl transferase I (light blue) transfers a methyl group from S-adenosyl methionine  (red) mostly to cytosine bases of the human DNA. Source: PDB entry 3pt6
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. Hologram view. HUD, FUI, SEM
3D cartoon and Gaussian surface models, PDB 6vg8, white background
A molecular model of Human Insulin. Isolated on black.
c-Myc and Max transcription factors bound to DNA. 3D illustration. Atoms shown as spheres with conventional color coding.
DNA A-T Pair
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Artificial molecular structure in many colors. Horizontal composition, isolated on white background.
Complex components: actin pentamer(mid blue), tropomyosin dimer (light blue), myosin head (dark blue), ADP is depicted in red.
Different germs in the human intestines called microbiome,Bacteria Lactobacillus in human intestine,Beneficial healthy intestinal bacterium microflora,Gut bacteria
3D cartoon and Gaussian surface models, PDB 6p8e, white background
Abstract Genetics Disease - 3d rendered image.
Ribonucleic acid strands consisting of nucleotides important for protein bio-synthesis - 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.
Taq polymerase PCR enzyme: a heat-stable DNA polymerase protein that is the key component that makes the polymerase chain reaction (PCR) possible, which is essential for DNA cloning and sequencing
Closeup of X chromosome with DNA inside
Nirmatrelvir inhibits the 3C-like protease of the SARS-CoV 2 virus. The coronavirus 3CL hydrolase enzyme, also known as the main protease, is essential for the maturation of the virus.
Medical concept
3D cartoon and Gaussian surface models, PDB 7s03, 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.
Collagen protein molecule. Molecular model. 3D rendering. Illustration
Glucose-6-phosphate dehydrogenase (G6PD) protein. Enzyme of the pentose phosphate pathway that generates co-enzyme NADPH. 3D illustration.
3d structure of l-glucose molecule.
Avibactam is a diazobicyclooctane inhibitor of gram-negative and gram-positive bacteria.  Avibactam (red) inhibits the bacterial enzyme beta-lactamase (blue) of Clostridioides difficile.
Organic objects form a triangle. Artificial space incorporating organic materials.\nThis work was policy within one month. It is also an original work for this brief and cannot be used elsewhere.
Spike glycoprotein homotrimer, a main target for neutralization antibody, to bind its receptor, and mediate membrane fusion and virus entry. Surface model, white background.
A space-filling molecular model of collagen, a fibrous protein that provides structural support in animals. It has a distinctive triple helix structure. Isolated on black.
Cytochrome P450 molecule. CYP 3A4 is the most promiscuous of the human CYP enzymes. Molecular model. 3D rendering. Illustration
Abs Virus - 3d rendered image like colorized scanning electron micrograph. Scene showing virus (yellow)  emerging from infected cell.\nConcept of coronavirus that’s causing a global pandemic. Covid-19, Sars-cov-2 alpha, betta, gamma, delta, lambda variant, 2019-nCoV, Coronavirus.\nSEM, TEM, hologram view.
Free Images: "bestof:PDB 1af5 EBI.jpg Alpha and beta proteins a+b Homing endonuclease-like Homing endonucleases Group I mobile intron endonuclease DNA endonuclease I-CreI EBI"
EcoRV Restriction Site.rsh.svg
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