>3msxB (B:) observed residues (from ATOM records)
gqlfgislpnicendnlpkpvldmlfflnqkgpltkgifrqsanvkscrelkeklnsgve
vhldcesifviasvlkdflrnipgsifssdlydhwvsvmdqgndeekintvqrlldqlpr
anvvllrylfgvlhnieqhsssnqmtafnlavcvapsilwppassspeleneftkkvsll
iqflienclrif