>d3iapb2 b.1.4.1 (B:220-333) beta-Galactosidase, domains 2 and 4 {Escherichia coli [TaxId: 562]} tqisdfhvatrfnddfsravleaevqmcgelrdylrvtvslwqgetqvasgtapfggeii derggyadrvtlrlnvenpklwsaeipnlyravvelhtadgtlieaeacdvgfr