>4ac0A (A:) observed residues (from ATOM records)
srldkskvinsalellnevgieglttrklaqklgveqptlywhvknkralldalaiemld
rhhthfcplegeswqdflrnnaksfrcallshrdgakvhlgtrptekqyetlenqlaflc
qqgfslenalyalsavghftlgcvledqehqvakeeresmppllrqaielfdhqgaepaf
lfgleliicglekqlkc