>1dx9B (B:) observed residues (from ATOM records)
kkiglfygtqtgktesvaeiirdefgndvvtlhdvsqaevtdlndyqyliigcptanige
lqsdweglyselddvdfngklvayfgtgdqigyadnfqdaigileekisqrggktvgyws
tdgydfndskalrngkfvglaldednqsdltddrikswvaqlksefgl