>4l5nB (B:) observed residues (from ATOM records)
dwttfrrvfliddawrplmepelanpltahllaeynrrcqteevlppredvfswtryctp
devrvviigqdpyhhpgqahglafsvranvppppslrnvlaavkncypearmsghgclek
wardgvlllnttltvkrgaaashsrigwdrfvggvirrlaarrpglvfmlwgthaqnair
pdprvhcvlkfshpsplskvpfgtcqhflvanryletrsispidwsv