>1z7qB (B:) observed residues (from ATOM records)
tdrysfslttfspsgklgqidyaltavkqgvtslgikatngvviatekksssplamsetl
skvslltpdigavysgmgpdyrvlvdksrkvahtsykriygeypptkllvsevakimqea
tqsggvrpfgvslliaghdefngfslyqvdpsgsyfpwkataigkgsvaaktflekrwnd
eleledaihialltlkesvegefngdtielaiigdenpdllgytgiptdkgprfrkltsq
eindrleal