>d1yq2f2 b.1.4.1 (F:220-312) beta-Galactosidase, domains 2 and 4 {Arthrobacter sp. c2-2 [TaxId: 192168]} ggitdawlrtgwsarsgagtgtidpeitadatafpvtlsvpelgvnvtwksaeevaplal envepwsaevprlyeasvssaaesisvrlgfrt