Reaction catalyzed by galactan 1,3-beta-galactosidase (3.2.1.145)

		+		H2O	=			+
	beta-D-Gal-[(1->3)-beta-D-Gal]n	+		H2O	=		beta-D-Gal-[(1->3)-beta-D-Gal]n-1	+		D-galactose