| corrin | The cyclic system of four pyrrole rings forming corrinoids, which are the central structure of the vitamins B12 and related compounds, differing from porphin (porphyrin) in that two of the pyrrole rings are directly linked (C-19 to C-1). Origin: fr. Core (of vitamin B12 molecule) (05 Mar 2000) |
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| corrinoid | A compound containing a corrin ring. (05 Mar 2000) |
Synonyms :
| corrin |
(cor
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| corrinoid |
(cor
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| corrin |
A corrin is a polyaromatic ring related to the porphyrin ring in hemoglobin, consisting of 4 pyrrole subunits, joined on opposite sides by a C-CH3 methylene link, on one side by a C-H methylene link, and with the two of the pyrroles joined directly. Compared to a porphyrin, it is missing a bridging methylene group between a pair of pyrroles. This ring is central to the cobalt containing vitamin, vitamin B12, or cobalamin. ...
Ãâó: en.wikipedia.org/wiki/Corrin
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