>3i6rA (A:) observed residues (from ATOM records)
ynpefflydiflkfclkyidgeichdlflllgkynilpydtsndsiyactnikhldfinp
fgvaagfdkngvcidsilklgfsfieigtitprgqtgnakprifrdvesrsiinscgfnn
mgcdkvtenlilfrkrqeedkllskhivgvsigknkdtvnivddlkycinkigryadyia
invsspntpglrdnqeagklkniilsvkeeidnleknnimndeflwfnttkkkplvfvkl
apdlnqeqkkeiadvlletnidgmiisntttqindiksfenkkggvsgaklkdistkfic
emynytnkqipiiasggifsgldalekieagasvcqlysclvfngmksavqikrelnhll
yqrgyynlkeaigrkh