>3a2cA (A:) observed residues (from ATOM records)
hvksglqikknaiiddykvtsqvlglgingkvlqifnkrtqekfalkmlqdcpkarreve
lhwrasqcphivrivdvyenlyagrkcllivmecldggelfsriqdrgdqaftereasei
mksigeaiqylhsiniahrdvkpenllytskrpnailkltdfgfakettsvapevlydks
cdmwslgvimyillcgyppfyspgmktrirmgqyefpnpewsevseevkmlirnllktep
tqrmtitefmnhpwimqstkvpqtplhtsrvlke