>4nnnM (M:) observed residues (from ATOM records) tqqpivtgtsvismkydngviiaadnlgsygsllrfngverlipvgdntvvgisgdisdm qhierllkdlvtenaydnpladaeealepsyifeylatvmyqrrskmnplwnaiivagvq sngdqflryvnllgvtyssptlatgfgahmanpllrkvvdresdipkttvqvaeeaivna mrvlyyrdarssrnfslaiidkntgltfkknlqvenmkwdfakdikgygtqki