>2q3bA (A:) observed residues (from ATOM records)
msiaeditqligrtplvrlrrvtdgavadivakleffnpansvkdrigvamlqaaeqagl
ikpdtiileptsgntgialamvcaargyrcvltmpetmslerrmllraygaeliltpgad
gmsgaiakaeelaktdqryfvpqqfenpanpaihrvttaeevwrdtdgkvdivvagvgtg
gtitgvaqvikerkpsarfvavepaaspvlsggqkgphpiqgigagfvppvldqdlvdei
itvgnedalnvarrlareegllvgissgaatvaalqvarrpenagklivvvlpdfgeryl