Molecular Basis for the Recognition of Long-chain Substrates by Plant α-Glucosidases

Takayoshi Tagami, Keitaro Yamashita, Masayuki Okuyama, +3

Journal of Biological Chemistry

Bioorganic ChemistryGlycobiologyMolecular BiologyPolysaccharidePlant Molecular Biology +17

Functional characterization of <scp>UDP</scp>‐rhamnose‐dependent rhamnosyltransferase involved in anthocyanin modification, a key enzyme determining blue coloration in <i>Lobelia erinus</i>

Yang‐Hsin Hsu, Takayoshi Tagami, Kana Matsunaga, +5

The Plant Journal

The loop structure of <i>Actinomycete</i> glycoside hydrolase family 5 mannanases governs substrate recognition

Yuya Kumagai, Keitaro Yamashita, Takayoshi Tagami, +6

FEBS Journal

Crystal StructureGalactose BranchBiochemistryNatural SciencesBiocatalysis +12

A novel glycoside hydrolase family 97 enzyme: Bifunctional β-l-arabinopyranosidase/α-galactosidase from Bacteroides thetaiotaomicron

Asako Kikuchi, Masayuki Okuyama, Koji Kato, +8

Biochimie

Protein GlycosylationBacteroides ThetaiotaomicronBiochemistryNatural SciencesGlycobiology +9

Aromatic Residue on β→α Loop 1 in the Catalytic Domain Is Important to the Transglycosylation Specificity of Glycoside Hydrolase Family 31 α-Glucosidase

Kyung‐Mo Song, Masayuki Okuyama, Takayoshi Tagami, +2

Bioscience Biotechnology and Biochemistry

GlycobiologyMolecular BiologyChemical BiologyEnzymatic ModificationGlycoproteomics +14

Efficient synthesis of α‐galactosyl oligosaccharides using a mutant <i>Bacteroides thetaiotaomicron</i> retaining α‐galactosidase (<i>Bt</i><scp>GH</scp>97b)

Masayuki Okuyama, Kana Matsunaga, Kenichi Watanabe, +8

FEBS Journal

Effects of mutation of Asn694 in Aspergillus niger α-glucosidase on hydrolysis and transglucosylation

Min Ma, Masayuki Okuyama, Megumi Sato, +5

Applied Microbiology and Biotechnology

BiosynthesisBiochemistryFungal Cell BiologyNatural SciencesGlycobiology +4

Novel α-1,3/α-1,4-Glucosidase from <i>Aspergillus niger</i> Exhibits Unique Transglucosylation to Generate High Levels of Nigerose and Kojibiose

Min Ma, Masayuki Okuyama, Takayoshi Tagami, +3

Journal of Agricultural and Food Chemistry

Key aromatic residues at subsites +2 and +3 of glycoside hydrolase family 31 α-glucosidase contribute to recognition of long-chain substrates

Takayoshi Tagami, Masayuki Okuyama, Hiroyuki Nakai, +5

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

GlycoproteomicsBiochemistryKey Aromatic ResiduesNatural SciencesGlycobiology +6

Engineered dextranase from <i>Streptococcus mutans</i> enhances the production of longer isomaltooligosaccharides

Patcharapa Klahan, Masayuki Okuyama, Kohei Jinnai, +5

Bioscience Biotechnology and Biochemistry