>1u1zB (B:) observed residues (from ATOM records)
mmdineireylphrypfllvdrvveldiegkrirayknvsinepffnghfpehpimpgvl
iieamaqaagilgfkmldvkpadgtlyyfvgsdklrfrqpvlpgdqlqlhakfisvkrsi
wkfdchatvddkpvcsaeiicaerkl