>1sfeA (A:) observed residues (from ATOM records)
lavryaladcelgrclvaesergicaillgdddatliselqqmfpaadnapadlmfqqhv
reviaslnqrdtpltlpldirgtafqqqvwqalrtipcgetvsyqqlanaigkpkavrav
asacaanklaivipchrvvrgdgslsgyrwgvsrkaqllrreaen