>2av9A (A:) observed residues (from ATOM records) prplreqylhfqpistrwhdndiyghvnnvtyyaffdtavntylierggldiqggevigl vvssscdyfapvafpqriemglrvarlgnssvqyelalflegqreacaagrfvhvfverr ssrpvaipqelrdalaalqssa