Shizukuishi S, Taniguchi T, Shibata S, Nakamura R, Tsunemitsu A, Uesugi Y
J Dent Res. 1979 Feb;58(2):656-9. doi: 10.1177/00220345790580022101.
alpha-L-Fucosidase isolated from the growth culture of Streptococcus sanguis ATCC 10557 acted on H- and Leb-blood group substances in porcine gastric lining, human gastric lining, human ovarian cyst fluid and human whole saliva, with consequent loss of H- and Leb -activities and a concomitant increase of Lea activity.