Table 1.

Intramolecular iron–iron distances (upper diagonal) and heme–heme angles (lower diagonal) in the solution structure of Cyt c₇ from D. acetoxidans

heme	Angles (°)/distances (Å)
	I	III	IV
I	—	11.3	20.5
III	84	—	13.3
IV	37	65	—

The heme numbering corresponds to that of four-heme Cyt c₃.