Chlorophyllide a

Chlorophyllide a
Identification
No CAS 14897-06-4
ChEBI 16900
SMILES
InChI
Propriétés chimiques
Formule C35H35MgN4O5
Masse molaire[1] 615,981 2 ± 0,033 4 g/mol
C 68,24 %, H 5,73 %, Mg 3,95 %, N 9,1 %, O 12,99 %,

Unités du SI et CNTP, sauf indication contraire.

La chlorophyllide a est le précurseur immédiat de la chlorophylle a, correspondant structurellement à cette dernière dépourvue de sa chaîne latérale phytol.

Contrairement aux protochlorophyllides, les chlorophyllides ne sont pas liées à des protéines holochromes et se trouvent à l'état libre dans les cellules végétales, où elles peuvent jouer un rôle photosensibilisant et générer des radicaux libres nocifs.

Notes et références

  1. Masse molaire calculée d’après « Atomic weights of the elements 2007 », sur www.chem.qmul.ac.uk.

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