>3sknF (F:) observed residues (from ATOM records)
agvtqtpkfrvlktgqsmtllcaqdmnheymywyrqdpgmglrlihysvgegttakgevp
dgynvsrlkkqnfllglesaapsqtsvyfcasgqgnfdiqyfgagtrlsvledlknvfpp
evavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqplkeqpal
ndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaeawgra
d