>4n2yD (D:) observed residues (from ATOM records)
mkqlilaldvmdgekameiakkvaehvdrikvnyplvlsagvgimkrlseikpviadfki
advpytssliariafensaesvivhgfvgsdtlrevcrvaeefggkvyavtelsspggee
fmsavslkivekakeagchgliapstrierlreirkaagdmeilcpsieavkyadgiivg
rgiyasgnpaeearklrrvlki