>1xk6D (D:) observed residues (from ATOM records)
lpmpkfgplaglrvvfsgieiagpfagqmfaewgaeviwienvawadtirvqpnypqlsr
rnlhalslnifkdegreaflklmettdifieaskgpafarrgitdevlwqhnpklviahl
sgfgqygteeytnlpayntiaqafsgyliqngdvdqpmpafpytadyfsgltattaalaa
lhkvretgkgesidiamyevmlrmgqyfmmdyfnggemcprmskgkdpyyagcglykcad
gyivmelvgitqieecfkdiglahllgtpeipegtqlihriecpygplveekldawlath
tiaevkerfaelniacakvltvpelesnpqyvaresitqwqtmdgrtckgpnimpkfknn
pgqiwrgmpshgmdtaailknigysendiqelvskglakved