>1xarA (A:) observed residues (from ATOM records)
yqeltdlktaferlcrhcpkdwtffqgncyfmsnsqrnwhdsvtacqevraqlvviktae
eqnflqlqtsrsnrfswmglsdlnqegtwqwvdgsplspsfqrywnsgepnnsgnedcae
fsgsgwndnrcdvdnywickkpaacf