>4k2sE (E:) observed residues (from ATOM records)
slkirdaytivtcpgrnfvtlkivtesgthgigdatlngremavaayldehvvpaligrd
agriedtwqylyrgaywrrgpvtmtaiaavdmalwdikakaagmplyqllggksrervmt
yahctgqtiedclgevarhvelgyravrvqsgvpgiettygvslpaehvwstekylnhap
klfaavrerfgddlhvlhdvhhrltpieaarlgkavepyhlfwledcvpaenqeslrlir
ehtttplaigevfnsihdcreliqnqwidyirmplthgggitamrrvadlaslyhvrtgf
hgatdlspvclgaaihfdtwvpnfgiqehmphtdetdavfphdyrfedghflagespghg
vdideelaakypyeraslpvnrledgtlwhw