Differences in the Substrate Specificities and Active-Site Structures of Two α-L -Fucosidases (Glycoside Hydrolase Family 29) fromBacteroides thetaiotaomicron
Author(s) -
Haruko Sakurama,
Erika Tsutsumi,
Hisashi Ashida,
Takane Katayama,
Kenji Yamamoto,
Hidehiko Kumagai
Publication year - 2012
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.111004
Subject(s) - bacteroides thetaiotaomicron , glycoside hydrolase , active site , hydrolase , substrate (aquarium) , enzyme , stereochemistry , phylogenetic tree , substrate specificity , biochemistry , bacteroides , biology , chemistry , genetics , bacteria , ecology , gene
Recent studies suggest that α-L-fucosidases of glycoside hydrolase family 29 can be divided into two subfamilies based on substrate specificity and phylogenetic clustering. To explore the validity of this classification, we enzymatically characterized two structure-solved α-L-fucosidases representing the respective subfamilies. Differences in substrate specificities are discussed in relation to differences in active-site structures between the two enzymes.
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