>4rkfB (B:) observed residues (from ATOM records)
qnfdymfklliignssvgktsflfryaddsftsafvstvgidfkvktvfrhdkrvklqiw
dtagleryrtittayyrgamgfilmydvtnedsfnsvqdwvtqiktyswdnaqvilvgnk
cdmedqrvisfergrqladqlgveffetsakenvnvkavferlvdiicdkms