>1s5yB (B:) observed residues (from ATOM records)
vewtdkersiisdifshmdyddigpkalsrclivypwtqrhfsgaiignanvaahgikvl
hgldrgvknmdniaatyadlstlhseklhvdpdnfkllsdcitivlaakmghaftaetqg
afqkflavvvsalgkq