>5b1wA (A:) observed residues (from ATOM records) scpknwksfssncyfistesaswqdsekdcarmeahllvintqeeqdfifqnlqeesayf vglsdpegqrhwqwvdqtpynesstfwhprepsdpnercvvlnfrkspkrwgwndvnclg pqrsvcemmk