>1l9jS (S:) observed residues (from ATOM records)
fstllgwfgnaqlgpiylgslgvlslfsglmwfftigiwfwyqagwnpavflrdlfffsl
eppapeyglsfaaplkegglwliasffmfvavwswwgrtylraqalgmgkhtawaflsai
wlwmvlgfirpilmgswseavpygifshldwtnnfslvhgnlfynpfhglsiaflygsal
lfamhgatilavsrfggereleqiadrgtaaeraalfwrwtmgfnatmegihrwaiwmav
lvtltggigillsgtvvdnwyvwgqnh