>4kl1A (A:) observed residues (from ATOM records) dssrrqyqekykqveqymsfhklppdtrqrihdyyehryqgkmfdeesilgelseplree iinfncrklvasmplfanadpnfvtsmltklrfevfqpgdyiiregtigkkmyfiqhgvv svltkgnketkladgsyfgeiclltrgrrtasvradtycrlyslsvdnfnevleeypmmr rafetvaldrldr