>6i4bA (A:) observed residues (from ATOM records)
mfesynpefflydiflkfclkyidgeichdlflllgkynilpydtsndsiyactnikhld
finpfgvaagfdkngvcidsilklgfsfieigtitprgqtgnakprifrdvesrsiinsc
gfnnmgcdkvtenlilfrkrqeedkllskhivgvsigknkdtvnivddlkycinkigrya
dyiainvsspntpglrdnqeagklkniilsvkeeidnleknnimndeflwfnttkkkplv
fvklapdlnqeqkkeiadvlletnidgmiisntttqindiksfenkkggvsgaklkdist
kficemynytnkqipiiasggifsgldalekieagasvcqlysclvfngmksavqikrel
nhllyqrgyynlkeaigrkhs