Figure 1.
Figure 1. Siroheme biosynthesis and its relationship to
cobalamin (vitamin B[12]) and protoporphyrin IX-derived
macrocycles (heme and chlorophyll).
The above figure is reprinted
by permission from Macmillan Publishers Ltd:
Nat Struct Biol
(2003,
10,
1064-1073)
copyright 2003.