Resumen
Nucleotide and protein β -galactosidase sequence of streptococcus mitis, obtaining procedure and its applications. The present invention describes an unpublished β -galactosidase protein of streptococcus mitis that has choline binding motifs in its structure and that is not inhibited in the presence of high glucose concentrations. Also described are two procedures for the purification of β -galactosidases modified in a heterologous host (escherichia coli). (Machine-translation by Google Translate, not legally binding)