>1r4wA (A:) observed residues (from ATOM records)
gpaprvlelfydvlspyswlgfevlcryqhlwniklklrpallagimkdsgnqppamvph
kgqyilkeipllkqlfqvpmsvpkdffgehvkkgtvnamrfltavsmeqpemlekvsrel
wmriwsrdeditesqnilsaaekagmataqaqhllnkistelvksklrettgaackygaf
glpttvahvdgktymlfgsdrmellayllgekwmgpvpptl