>5X4U_1|Chain A|Photoactivated adenylyl cyclase|Cyanobacteria (1117) MKRLTYISKFSRPLSGDEIEAIGRISSQKNQQANVTGVLLCLDGIFFQILEGEAEKIDRIYERILADERHTDILCLKSEVEVQERMFPDWSMQTINLDENTDFLIRPIKVLLQTLTESHRILEKYTQPSIFKIISQGTNPLNIRPKAVEKIVFFSDIVSFSTFAEKLPVEEVVSVVNSYFSVCTAIITRQGGEVTKFIGDCVMAYFDGDCADQAIQASLDILMELEILRNSAPEGSPLRVLYSGIGLAKGKVIEGNIGSELKRDYTILGDAVNVAARLEALTRQLSQALVFSSEVKNSATKSWNFIWLTDSELKGKSESIDIYSIDNEMTRKSSGGLEIARNIGHYLERVGDRQPSQIFGVKSLPL