>6iybA (A:) observed residues (from ATOM records)
vllkviilgdsgvgktslmnqyvnkkfsnqykatigadfltkevmvddrlvtmqiwdtag
lerfqsgvafyrgadccvlvfdvtapntfktldswrdefliqasprdpenfpfvvlgnki
dlenrqvatkraqawcysknnipyfetsakeainveqafqtiarnalkqet