>4l0wA (A:) observed residues (from ATOM records) yfqgqapsfkaeavfgdntfgevslsdfigkkyvllyfypldftfvcpseiialdkalds fkernvellgcsvdskfthlawkktplsqggignikhtlisdisksiarsydvlfnesva lrafvlidkqgvvqhllvnnlalgrsvdeilrlidalqhhekygdvcpanwqk