>1r72C (C:) observed residues (from ATOM records)
peaaisrlitylrileeleaqgvhrtsseqlgelaqvtafqvrkdlsyfgsygytvpvlk
relrhilglnrkwglcivgmgrlgsaladypgfgesfelrgffdvdpekvgrpvrggvie
hvdllpqrvpgrieialltvpreaaqkaadllvaagikgilnfapvvlevpkevavenvd
flagltrlsfailnpkw