>1r72D (D:) observed residues (from ATOM records)
kvpeaaisrlitylrileeleaqgvhrtsseqlgelaqvtafqvrkdlsyfgsygtrgvg
ytvpvlkrelrhilglnrkwglcivgmgrlgsaladypgfgesfelrgffdvdpekvgrp
vrggviehvdllpqrvpgrieialltvpreaaqkaadllvaagikgilnfapvvlevpke
vavenvdflagltrlsfailnpk