>1ck6A (A:) observed residues (from ATOM records)
svtcpggqstsnsqccvwfdvlddlqtnfyqgskcespvrkilrivfhdaigfspaltaa
gqfggggadgsiiahsnielafpanggltdtiealravginhgvsfgdliqfatavgmsn
cpgsprlefltgrsnssqpsppslipgpgntvtaildrmgdagfspdevvdllaahslas
qeglnsaifrspldstpqvfdtqfyietllkgttqpgpslgfaeelspfpgefrmrsdal
lardsrtacrwqsmtssnevmgqryraamakmsvlgfdrnaltdcsdvipsavsnnaapv
ipggltvddievscpsepfpeiatasgplpslapap