>3k9lC (C:) observed residues (from ATOM records)
mteyklvvvgaggvgksaltiqliqnhfvdefdptiedsyrkqvvidgetclldildtag
dqymrtgegflcvfainntksfedihqyreqikrvkdsddvpmvlvgnkcdlaartvesr
qaqdlarsygipyietsaktrqgvedafytlvreirqh