Anagram & Information om | Engelska ordet PTERIDINE

Exempel på hur man kan använda PTERIDINE i en mening

• A pteridine is a bicyclic heterocyclic system with two nitrogen atoms at positions 1 and 4 in ring A, and two nitrogen atoms at positions 1 and 3 in ring B.
• Chemically, its structure is that of a (dihydropteridine reductase) reduced pteridine derivative (quinonoid dihydrobiopterin).
• Pterin is a heterocyclic compound composed of a pteridine ring system, with a "keto group" (a lactam) and an amino group on positions 4 and 2 respectively.
• In pteridine biosynthesis pathway, Catsup negatively regulates the activity of GTP Cyclohydrolase I (GTPCH), preventing GTPCH catalyzed biosynthesis of TH cofactor required for TH catalytic activity and regulation, tetrahydrobiopterin (BH4).
• The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)".

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