Biosynthesis of vitamin B12: nature of the volatile fragment generated during formation of the corrin ring system. | Zendy

L Mombelli | Zendy; C Nussbaumer | Zendy; H. Wéber | Zendy; Gerhard Müller | Zendy; D. Arigoni | Zendy

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Biosynthesis of vitamin B12: nature of the volatile fragment generated during formation of the corrin ring system.

Author(s) -

L Mombelli,

C Nussbaumer,

H. Wéber,

Gerhard Müller,

D. Arigoni

Publication year - 1981

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.78.1.11

Subject(s) - corrin , vitamin b12 , chemistry , fragment (logic) , ligand (biochemistry) , ring (chemistry) , methylation , stereochemistry , acetic acid , biosynthesis , biochemistry , organic chemistry , receptor , dna , gene , computer science , programming language

It is shown with the help of radiolabeled substrates that biological formation of the corrin ligand system of cobyrinic acid is linked with the release of an equivalent of acetic acid from a hydroporphinoid precursor in which the C-20 atom has undergone methylation prior to its excision from the macrocycle.

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