geranylgeranyl bacteriochlorophyllide a(1-)
geranylgeranyl bacteriochlorophyllide a(1-)
A cyclic tetrapyrrole anion that is that carbide ion obtained from geranylgeranyl bacteriochlorophyllide <em>a</em> via removal of the acidic proton at position 21. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).