>2qttB (B:) observed residues (from ATOM records)
lrpissvvfviamqaealplvnkfglsettdsplgkglpwvlyhgvhkdlrinvvcpgrd
aalgidsvgtvpaslitfasiqalkpdiiinagtcggfkvkganigdvflvsdvvfhdrr
ipipmfdlygvglrqafstpnllkelnlkigrlstgdsldmstqdetliiandatlkdme
gaavayvadllkipvvflkavtdlvdgdkptaeeflqnltvvtaalegtatkvinfingr
nlsdl