Free Images - SnappyGoat.com- bestof:Naphthomycin B.svg Chemical structure of naphthomycin B Own 17 32 6 January 2014 UTC Ed Edgar181 Naphthomycins

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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.

Linagliptin or Tradjenta is a medication used to treat diabetes mellitus type 2. 3d illustration

Bradykinin peptide molecule. 3D rendering. Atoms are represented as spheres with conventional color coding.

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A carbapenem antibiotic medication used for the treatment of infections of the abdomen, the lungs, the upper part of the female reproductive system, and the diabetic foot.

A molecule of sucrose, showing thermal ellipsoids.

Sildenafil molecule. It is drug for the treatment of erectile dysfunction. Molecular model. 3D rendering. Illustration

A ball and stick + ribbons model of HIV protease - an enzyme that is the target of much AIDS and HIV research.

Tryptophan or Trp is an alpha-amino acid that is used in the biosynthesis of proteins, 3d illustration

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