>4a25A (A:) observed residues (from ATOM records)
ttihdvqttgltqdavtgfdassrlnaglqevlvdltalhlqgkqahwnivgenwrdlhl
qldtlveaargfsddvaermravggvpdarpqtvaasrigdvgpdeidtracveaivalv
rhtvdtirrvhdpidaedpasadllhaitlelekqawmigsenrspr