>1f3aA (A:) observed residues (from ATOM records)
agkpvlhyfnargrmecirwllaaagvefeekfiqspedleklkkdgnlmfdqvpmveid
gmklaqtrailnyiatkydlygkdmkeralidmysegildltemigqlvlcppdqreakt
alakdrtknrylpafekvlkshgqdylvgnrltrvdihllevllyveefdaslltpfpll
kafksrisslpnvkkflqpgsqrkppmdakqiqearkafki