>4ki3B (B:) observed residues (from ATOM records)
dastdlqnrlskvnsfhasfsqavtssdgavvqegegelwvkrpnlfnwhmtspdesvli
sdgetlwfynpfveqatatwlknatgntpfmlitrnnpddwkqynvkqkgddfeltpksl
kqfaisvtpsgtiksftaveqdgqrsaytlkaskftftppkgvtlddqr