>1n2mD (D:) observed residues (from ATOM records) fklpntvslvagssegetplnafdgallnagignvnlirisaimppeaeivplpklpmga lvptaygyiisdvpgetisaaisvaipkdkslcglimeyegkcskkeaektvremakigf emrgweldriesiavehtveklgcafaaaalwyk