GO:0004016	F	1.00	adenylate cyclase activity
GO:0046914	F	0.27	transition metal ion binding
GO:0046906	F	0.27	tetrapyrrole binding
GO:0016676	F	0.27	oxidoreductase activity, acting on a heme group of donors, oxygen as acceptor
GO:0015078	F	0.27	hydrogen ion transmembrane transporter activity
GO:0015002	F	0.27	heme-copper terminal oxidase activity
GO:0009055	F	0.27	electron carrier activity
