>1k56C (C:) observed residues (from ATOM records) sitentswnkefsaeavngvfvlckssskscatndlaraskeylpastfkipnaiiglet gviknehqvfkwerdltlrgaiqvsavpvfqqiarevgevrmqkylkkfsygnqnisggi dkfwlegqlrisavnqvefleslylnklsaskenqlivkealvteaapeylvhsktgfsg vgtesnpgvawwvgwveketevyffafnmdidnesklplrksiptkimesegiigg