>3czuA (A:) observed residues (from ATOM records) kevvlldfaaaggelgwlthpygkgwdlmqnimndmpiymysvcnvmsgdqdnwlrtnwv yrgeaerifielkftvrdcnsfpggasscketfnlyyaesdldygtnfqkrlftkidtia pdeitvssdfearhvklnveersvgpltrkgfylafqdigacvallsvrvyykkc