>1za7A (A:) observed residues (from ATOM records)
qgraikawtgysvskwtascaaaeakvtsaitislpnelssernkqlkvgrvllwlgllp
svsgtvkscvtetqttaaasfqvalavadnskdvvaamypeafkgitleqlaadltiyly
ssaaltegdvivhlevehvrptfddsftpvy