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Biosynthesis of vitamin B12: Structural studies on the corriphryins from Propionibacterium shermanii and the link with sirohydrochlorin

✍ Scribed by Alan R. Battersby; Edward McDonald; Mervyn Thompson; D.Clive Williams; Howard R. Morris; Vladimir Ya. Bykhovsky; Natalia I. Zaitseva; Vasilii N. Bukin

Publisher: Elsevier Science
Year: 1977
Tongue: French
Weight: 204 KB
Volume: 18
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)83725-4

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✦ Synopsis

Ccbyrinic acid (21, the precursor 1 of vitamin B12, is biosynthesised 2-5 fran uro'gsn-III (l)bymanYS~. DiscoveryoftheirnatUral~~requiresthetrappingforstrudural study of in tern&iatss (as such or mcdifisd) bstwsn ( ) and ( ). Such sk&ances, the partly purified borriphyrins, wers first &taint& in 1975 fran ths B12-produoer P.shsnnanii 6 .

Spsctroscopic data 6,7 andlabellingstudieswith 14C-skathicmine and 3R-aminol-linic acid 8 supported theirbsingn~thylated tstrapyrroles. Jointwxkca-lthsssmaterials andothersis nowreported.

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