Chlorophyll contains a Magnesium ion, encased in a large ring structure known as a Chlorin. The Chlorin ring is a heterocyclic compound derived from pyrrole. Four Nitrogen atoms from the Chlorin surround and bind the Magnesium atom. read more
Chlorophyll possesses a chlorin ring that resembles a heme. With a Magnesium Ion (Mg2+) in the middle. read more