>d1jz6d1 b.1.4.1 (D:220-333) beta-Galactosidase, domains 2 and 4 {Escherichia coli [TaxId: 562]} tqisdfhvatrfnddfsravleaevqmcgelrdylrvtvslwqgetqvasgtapfggeii derggyadrvtlrlnvenpklwsaeipnlyravvelhtadgtlieaeacdvgfr