>4q60B (B:) observed residues (from ATOM records)
lyfqsmkriqiidshtggeptrlvvsgfpslgsgtmaerrdvlareydryrtacileprg
sdvlvgallcepvspdaaagviffnnsgylgmcghgtigvvrtlhhmgrigpgvhrietp
vgtveatlhddlsvsvrnvlayrhakdvaldvpgygpvrgdiawggnwfflisdhgqrva
gdnvaaltayasavregleragitganggeidhielfaddpehdsrsfvlcpgrspcgtg
tsaklaclaadgklapgavwrqasvigsvfhasyvqaeggivptirgsahlsaeatllie
dddpfrwgiv