>2rfbA (A:) observed residues (from ATOM records)
lndpvhydgawhvykysdvkhvlmndkifssnpgnrysgisfitmdnpehkefrdisapy
flpskindykdfieetsndliknidnkdiiseyavrlpvniiskilgipdsdmplfklws
dyiignkrdenfnyvnnrmvsrlleifksdshgiinvlagsslknrkltmdekikyimll
iiggnetttnlignmirvidenpdiiddalknrsgfveetlryyspiqflphrfaaedsy
innkkikkgdqvivylgsanrdetffdepdlfkigrremhlafgigihmclgaplarlea
sialndilnhfkrikidykksrlldnkmvlgydklfls