>4zysB (B:) observed residues (from ATOM records) qqseselkhyynkpvlerknvtgykytekgkdyidvivdnqysqislvgsdkdkfkdgdn snidvfilregdsrqatnysiggvtktnsqpfidyihtpileikkgkeepqsslyqiyke dislkeldyrlreraikqhglysnglkqgqititmkdgkshtidlsqklekermgdsidg rqiqkilvemk