>6h4cA (A:) observed residues (from ATOM records)
tntlqvrllsenarmpernhktdagydifsaetvvlepqekaviktdvavsipegyvgll
tsrsgvsskthlvietgkidagyhgnlginikndaiasngyitpgvfdikgeidlsdair
qygtyqinegdklaqlvivpiwtpelkqveefe