>4wzvB (B:) observed residues (from ATOM records) gdlkwhhhnitywiqnysedlpraviddafarafalwsavtpltftrvysrdadiviqfg vaehgdgypfdgkdgllahafppgpgiqgdahfdddelwslgkgvgyslflvaahefgha lgldhssvpealmypmyrftegpplhkddvngirhlyg