Reactions Between b-Aminolevulinic Acid and Protoporphyrin IX - Chlorophyll Biosynthesis and Technological Applications - page 167

Fig. 5.1 (a) Porphin and
(b) phorbin nuclei

Fig. 5.2 Sequence of
biosynthetic reactions
between ALA and Proto.
ALA

¼ δ

-aminolevulinic

acid,
PBG porphobilinogen,

Urogen III

¼

¼
uroporphyrinogen III,
Coprogen III

¼
coproporphyrinogen III,
DV Protogen divinyl

protoporphyrinogen IX,
DV proto

¼

divinyl Proto

¼