>1q90D (D:) observed residues (from ATOM records)
tkkpdlsdpvlkaklakgmghntygepawpndllymfpvvilgtfacviglsvldpaamg
epanpfatpleilpewyfypvfqilrvvpnkllgvllmaavpaglitvpfiesinkfqnp
yrrpiatilfllgtlvavwlgigstfpidisltlgl