>1w74A (A:) observed residues (from ATOM records)
latatatlhtnrgdikialfgnhapktvanfvglaqgtkdystqnasggpsgpfydgavf
hrviqgfmiqggdptgtgrggpgykfadefhpelqfdkpyllamanagpgtngsqffitv
gktphlnrrhtifgevidaesqrvveaisktatdgndrptdpvviesitis