>d1f4aa1 b.1.4.1 (A:220-333) beta-Galactosidase, domains 2 and 4 {Escherichia coli [TaxId: 562]} tqisdfhvatrfnddfsravleaevqmcgelrdylrvtvslwqgetqvasgtapfggeii derggyadrvtlrlnvenpklwsaeipnlyravvelhtadgtlieaeacdvgfr