>3ifaA (A:) observed residues (from ATOM records)
tdmltltryvmekgrqakgtgeltqllnsmltaikaissavrkaglahlygiagsvnvdq
vkkldvlsnslvinmlqssystcvlvseenkdaiitakekrgkyvvcfdpldgssnidcl
asigtifaiyrktsdepsekdalqcgrnivaagyalygsatlvalstgqgvdlfmldpal
gefvlvekdvkikkkgkiyslnegyakyfdaatteyvqkkkfpedgsapygaryvgsmva
dvhrtlvyggiflypanqkspkgklrllyecnpvayiieqagglattgtqpvldvkpeai
hqrvplilgspedvqeyltcvqknqa