>6h4cE (E:) observed residues (from ATOM records)
mtntlqvrllsenarmpernhktdagydifsaetvvlepqekaviktdvavsipegyvgl
ltsrsgvsskthlvietgkidagyhgnlginikndaiasngyitpgvfdikgeidlsdai
rqygtyqinegdklaqlvivpiwtpelkqveefe