>d1f49a1 b.1.4.1 (A:220-333) beta-Galactosidase, domains 2 and 4 {Escherichia coli} tqisdfhvatrfnddfsravleaevqmcgelrdylrvtvslwqgetqvasgtapfggeii derggyadrvtlrlnvenpklwsaeipnlyravvelhtadgtlieaeacdvgfr