>1iybB (B:) SEQRES residues
yvefaqdfdffyfvqqwpgsycdtkqsccypktgkpasdfgihglwpnnndgsypsncds
nspydqsqvsdlisrmqqnwptlacpsgtgsafwshewekhgtcaenvfdqhgyfkkald
lknqinlleilqgagihpdggfyslnsiknairsaigyapgiecnvdesgnsqlyqiyic
vdgsgsnliecpifprgkcgssiefptf