>3du3M (M:) observed residues (from ATOM records)
aeyqnifsqvqvrgpadlgmtedvnlanrsgvgpfstllgwfgnaqlgpiylgslgvlsl
fsglmwfftigiwfwyqagwnpavflrdlfffsleppapeyglsfaaplkegglwliasf
fmfvavwswwgrtylraqalgmgkhtawaflsaiwlwmvlgfirpilmgswseavpygif
shldwtnnfslvhgnlfynpfhglsiaflygsallfamhgatilavsrfggereleqiad
rgtaaeraylfwrwtmgfnatmegihrwaiwmavlvtltggigillsgtvvdnwyvwgqn
hg