Molybdopterin

Moco biosynthetic pathway in bacteria and humans. Molybdenum cofactor (Moco) biosynthesis occurs in four steps: (i) the radical-mediated cyclization of nucleotide, guanosine 5'-triphosphate (GTP), to (8S)‑3 ́,8‐cyclo‑7,8‑dihydroguanosine 5 ́‑triphosphate (3 ́,8‑cH2GTP), (ii) the formation of cyclic pyranopterin monophosphate (cPMP) from the 3 ́,8‑cH2GTP, (iii) the conversion of cPMP into molybdopterin (MPT), (iv) the insertion of molybdate into MPT to form Moco. The human enzymes are indicated in parenthesis.

Molybdopterins are a class of cofactors found in most molybdenum (Mo) and all tungsten (W) enzymes. Synonyms for molydopterin are: MPT and pyranopterin-dithiolate. The nomenclature for this biomolecule can be confusing: Molybdopterin per se contains no molybdenum; rather, this is the name of the ligand (a pterin) that will bind the active metal. After molydopterin is eventually complexed with molybdenum, the complete ligand is usually called molybdenum cofactor.

单词	Molybdopterin
释义	Molybdopterin 英语百科 Molybdopterin Molybdopterins are a class of cofactors found in most molybdenum (Mo) and all tungsten (W) enzymes. Synonyms for molydopterin are: MPT and pyranopterin-dithiolate. The nomenclature for this biomolecule can be confusing: Molybdopterin per se contains no molybdenum; rather, this is the name of the ligand (a pterin) that will bind the active metal. After molydopterin is eventually complexed with molybdenum, the complete ligand is usually called molybdenum cofactor.
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