62
Molecules for free

29 July 2024

Excessive fructose consumption is associated with metabolic disorders such as obesity, diabetes and non-alcoholic fatty liver disease (NAFLD). Ketohexokinase (KHK) is an enzyme catalyzing the first committed step in fructose metabolism, by...

69
Molecules for free

15 July 2024

The enzyme GTP cyclohydrolase I (GCH1) catalyzes the first and rate limiting step in the biosynthesis of tetrahydrobiopterin (BH4) from GTP. BH4 is a critical cofactor in the degradation of the amino acid phenylalanine, the production of the signaling molecule nitric oxide (NO), as well as the synthesis of the neurotransmitters...

36
Molecules for free

21 May 2024

The Kirsten rat sarcoma viral oncogene homologue (KRAS) protein is a small membrane-bound GTPase (GTP hydrolase), acting as a key node in intracellular signaling pathways that are involved in cell growth and survival. Mutations in...

46
Molecules for free

04 March 2024

Orexins or hypocretins are two neuropeptides (OX-A and OX-B) that are synthesized in the hypothalamus, and serve as ligands for the G protein-coupled receptors OX1 and OX2. While the role of orexins was initially thought to be limited to the regulation of...

39
Molecules for free

19 February 2024

Gamma-aminobutyric acid (GABA) is the major inhibitory neurotransmitter in the central nervous system (CNS), exerting its effects via two classes of receptors, GABAA and GABAB. GABAA receptors (GABAARs) are ligand-gated ion channels typically...

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