>4q3wA (A:) observed residues (from ATOM records)
fvvpdittrknvglshdandftlpqpldrysaedhatwatlyqrqckllpgracdefleg
lerlevdadrvpdfnklneklmaatgwkivavpglipddvffehlanrrfpvtwwlreph
qldylqepdvfhelfghvpllinpvfadyleaygkggvkakalgalpmlarlywytvefg
lintpagmriygagilssksesiycldsaspnrvgfdlmrimntryridtfqktyfvids
fkqlfdatapdfaplylqladaqpwgagdiapddlvl