>3b7tA (A:) observed residues (from ATOM records)
peivdtcslaspasvcrtkhlhlrcsvdftrrtltgtaaltvqsqednlrslvldtkdlt
iekvvingqevkyalgerqsykgspmeislpialsknqeivieisfetspkssalqwltp
eqtsgkehpylfsqcqaihcrailpcqdtpsvkltytaevsvpkelvalmsairdgetpd
pedpsrkiykfiqkvpipcylialvvgalesrqigprtlvwsekeqveksayefsetesm
lkiaedlggpyvwgqydllvlppsfpyggmenpcltfvtptllagdkslsnviahqishs
wtgnlvtnktwdhfwlneghtvylerhicgrlfgekfrhfnalggwgelqnsvktfgeth
pftklvvdltdidpdvayssvpyekgfallfyleqllggpeiflgflkayvekfsyksit
tddwkdflysyfkdkvdvlnqvdwnawlyspglppikpnydmtltnacialsqrwitake
ddlnsfnatdlkdlsshqlneflaqtlqraplplghikrmqevynfnainnseirfrwlr
lciqskwedaiplalkmateqgrmkftrplfkdlaafdkshdqavrtyqehkasmhpvta
mlvgkdlkvd