>3al4A (A:) observed residues (from ATOM records)
dtlcigyhannstdtvdtvleknvtvthsvnlledkhngklcklrgvaplhlgkcniagw
ilgnpeceslstasswsyivetpssdngtcypgdfidyeelreqlssvssferfeifpkt
sswpnhdsnkgvtaacphagaksfyknliwlvkkgnsypklsksyindkgkevlvlwgih
hpstsadqqslyqnadtyvfvgssryskkfkpeiairpkvrdqegrmnyywtlvepgdki
tfeatgnlvvpryafamernagsgiiisdtpvhdcnttcqtpkgaintslpfqnihpiti
gkcpkyvkstklrlatglrni