1QBA
 
 | | BACTERIAL CHITOBIASE, GLYCOSYL HYDROLASE FAMILY 20 | | Descriptor: | CHITOBIASE, SULFATE ION | | Authors: | Tews, I, Perrakis, A, Oppenheim, A, Dauter, Z, Wilson, K.S, Vorgias, C.E. | | Deposit date: | 1996-06-06 | | Release date: | 1997-01-11 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (1.85 Å) | | Cite: | Bacterial chitobiase structure provides insight into catalytic mechanism and the basis of Tay-Sachs disease.
Nat.Struct.Biol., 3, 1996
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5FD0
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5FCZ
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4JAW
 | | Crystal Structure of Lacto-N-Biosidase from Bifidobacterium bifidum complexed with LNB-thiazoline | | Descriptor: | 3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL, Lacto-N-biosidase, SULFATE ION, ... | | Authors: | Ito, T, Katayama, T, Stubbs, K.A, Fushinobu, S. | | Deposit date: | 2013-02-19 | | Release date: | 2013-03-20 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Crystal structures of a glycoside hydrolase family 20 lacto-N-biosidase from Bifidobacterium bifidum
J.Biol.Chem., 288, 2013
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4H04
 | | Lacto-N-biosidase from Bifidobacterium bifidum | | Descriptor: | Lacto-N-biosidase, SULFATE ION, beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose | | Authors: | Ito, T, Katayama, T, Wada, J, Suzuki, R, Ashida, H, Wakagi, T, Yamamoto, K, Fushinobu, S. | | Deposit date: | 2012-09-07 | | Release date: | 2013-03-20 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Crystal structures of a glycoside hydrolase family 20 lacto-N-biosidase from Bifidobacterium bifidum
J.Biol.Chem., 288, 2013
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7WDT
 | | 6-sulfo-beta-D-N-acetylglucosaminidase from Bifidobacterium bifidum in complex with GlcNAc-6S | | Descriptor: | 2-acetamido-2-deoxy-6-O-sulfo-alpha-D-glucopyranose, 2-acetamido-2-deoxy-6-O-sulfo-beta-D-glucopyranose, Beta-N-acetylhexosaminidase, ... | | Authors: | Yamada, C, Kashima, T, Fushinobu, S, Katoh, T, Katayama, T. | | Deposit date: | 2021-12-22 | | Release date: | 2022-12-28 | | Last modified: | 2023-06-14 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | A bacterial sulfoglycosidase highlights mucin O-glycan breakdown in the gut ecosystem.
Nat.Chem.Biol., 19, 2023
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7WDU
 | | 6-sulfo-beta-D-N-acetylglucosaminidase from Bifidobacterium bifidum in complex with PUGNAc-6S | | Descriptor: | Beta-N-acetylhexosaminidase, CALCIUM ION, [[(3R,4R,5S,6R)-3-acetamido-4,5-bis(oxidanyl)-6-(sulfooxymethyl)oxan-2-ylidene]amino] N-phenylcarbamate | | Authors: | Kashima, T, Yamada, C, Fushinobu, S, Katoh, T, Katayama, T. | | Deposit date: | 2021-12-22 | | Release date: | 2022-12-28 | | Last modified: | 2023-06-14 | | Method: | X-RAY DIFFRACTION (2.23 Å) | | Cite: | A bacterial sulfoglycosidase highlights mucin O-glycan breakdown in the gut ecosystem.
Nat.Chem.Biol., 19, 2023
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1C7T
 | | BETA-N-ACETYLHEXOSAMINIDASE MUTANT E540D COMPLEXED WITH DI-N ACETYL-D-GLUCOSAMINE (CHITOBIASE) | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, BETA-N-ACETYLHEXOSAMINIDASE, SULFATE ION | | Authors: | Prag, G, Papanikolau, Y, Tavlas, G, Vorgias, C.E, Petratos, K, Oppenheim, A.B. | | Deposit date: | 2000-03-17 | | Release date: | 2000-09-20 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Structures of chitobiase mutants complexed with the substrate Di-N-acetyl-d-glucosamine: the catalytic role of the conserved acidic pair, aspartate 539 and glutamate 540.
J.Mol.Biol., 300, 2000
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1C7S
 | | BETA-N-ACETYLHEXOSAMINIDASE MUTANT D539A COMPLEXED WITH DI-N-ACETYL-BETA-D-GLUCOSAMINE (CHITOBIASE) | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, BETA-N-ACETYLHEXOSAMINIDASE, SULFATE ION | | Authors: | Prag, G, Papanikolau, Y, Tavlas, G, Vorgias, C.E, Petratos, K, Oppenheim, A.B. | | Deposit date: | 2000-03-14 | | Release date: | 2000-09-20 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Structures of chitobiase mutants complexed with the substrate Di-N-acetyl-d-glucosamine: the catalytic role of the conserved acidic pair, aspartate 539 and glutamate 540.
J.Mol.Biol., 300, 2000
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5Y1B
 | | Crystal Structure of insect beta-N-acetyl-D-hexosaminidase OfHex1 complexed with a berberine derivative (SYSU-00679) | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 9-O-3'-quinolinium propylberberine, Beta-hexosaminidase | | Authors: | Duan, Y.W, Liu, T, Zhou, Y, Tang, J.Y, Li, M, Yang, Q. | | Deposit date: | 2017-07-20 | | Release date: | 2018-01-24 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (2.207 Å) | | Cite: | Glycoside hydrolase family 18 and 20 enzymes are novel targets of the traditional medicine berberine.
J. Biol. Chem., 293, 2018
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5Y0V
 | | Crystal Structure of insect beta-N-acetyl-D-hexosaminidase OfHex1 complexed with berberine | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, BERBERINE, ... | | Authors: | Duan, Y.W, Liu, T, Tang, J.Y, Li, M, Yang, Q. | | Deposit date: | 2017-07-18 | | Release date: | 2018-01-24 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (2.423 Å) | | Cite: | Glycoside hydrolase family 18 and 20 enzymes are novel targets of the traditional medicine berberine.
J. Biol. Chem., 293, 2018
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2GJX
 | | Crystallographic structure of human beta-Hexosaminidase A | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, Beta-hexosaminidase alpha chain, ... | | Authors: | Lemieux, M.J, Mark, B.L, Cherney, M.M, Withers, S.G, Mahuran, D.J, James, M.N.G. | | Deposit date: | 2006-03-31 | | Release date: | 2006-06-20 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Crystallographic structure of human beta-Hexosaminidase A: Interpretation of Tay-Sachs Mutations and Loss
of GM2 Ganglioside Hydrolysis
J.Mol.Biol., 359, 2006
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2GK1
 | | X-ray crystal structure of NGT-bound HexA | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, 3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL, Beta-hexosaminidase subunit alpha, ... | | Authors: | Lemieux, M.J, Mark, B.L, Cherney, M.M, Withers, S.G, Mahuran, D.J, James, M.N. | | Deposit date: | 2006-03-31 | | Release date: | 2006-05-30 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (3.25 Å) | | Cite: | Crystallographic Structure of Human beta-Hexosaminidase A: Interpretation of Tay-Sachs Mutations and Loss of G(M2) Ganglioside Hydrolysis.
J.Mol.Biol., 359, 2006
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1HP5
 | | STREPTOMYCES PLICATUS BETA-N-ACETYLHEXOSAMINIDASE COMPLEXED WITH INTERMEDIATE ANALOUGE NAG-THIAZOLINE | | Descriptor: | 3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOL, BETA-N-ACETYLHEXOSAMINIDASE, CHLORIDE ION, ... | | Authors: | Mark, B.L. | | Deposit date: | 2000-12-12 | | Release date: | 2001-04-04 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Crystallographic evidence for substrate-assisted catalysis in a bacterial beta-hexosaminidase.
J.Biol.Chem., 276, 2001
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5BXS
 | | LNBase in complex with LNB-NHAcCAS | | Descriptor: | 6-ACETAMIDO-6-DEOXY-CASTANOSPERMINE, Lacto-N-biosidase, SULFATE ION, ... | | Authors: | Ito, T, Arakawa, T, Fushinobu, S. | | Deposit date: | 2015-06-09 | | Release date: | 2015-09-09 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Gaining insight into the catalysis by GH20 lacto-N-biosidase using small molecule inhibitors and structural analysis
Chem.Commun.(Camb.), 51, 2015
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5BXR
 | | LNBase in complex with LNB-NHAcDNJ | | Descriptor: | 2-ACETAMIDO-1,2-DIDEOXYNOJIRMYCIN, Lacto-N-biosidase, SULFATE ION, ... | | Authors: | Ito, T, Arakawa, T, Fushinobu, S. | | Deposit date: | 2015-06-09 | | Release date: | 2015-09-09 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | Gaining insight into the catalysis by GH20 lacto-N-biosidase using small molecule inhibitors and structural analysis
Chem.Commun.(Camb.), 51, 2015
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6YHH
 | | X-ray Structure of Flavobacterium johnsoniae chitobiase (FjGH20) | | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Beta-N-acetylglucosaminidase-like protein Glycoside hydrolase family 20, GLYCEROL | | Authors: | Mazurkewich, S, Helland, R, MacKenzie, A, Eijsink, V.G.H, Pope, P.B, Branden, G, Larsbrink, J. | | Deposit date: | 2020-03-30 | | Release date: | 2020-09-02 | | Last modified: | 2024-01-24 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Structural insights of the enzymes from the chitin utilization locus of Flavobacterium johnsoniae.
Sci Rep, 10, 2020
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6EZT
 | | Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase D437A inactive mutant from Vibrio harveyi | | Descriptor: | Beta-N-acetylglucosaminidase Nag2, DI(HYDROXYETHYL)ETHER, TETRAETHYLENE GLYCOL | | Authors: | Porfetye, A.T, Meekrathok, P, Burger, M, Vetter, I.R, Suginta, W. | | Deposit date: | 2017-11-16 | | Release date: | 2018-12-12 | | Last modified: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi
To Be Published
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6EZR
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6EZS
 | | Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi in complex with N-acetylglucosamine | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, Beta-N-acetylglucosaminidase Nag2, MALONATE ION | | Authors: | Porfetye, A.T, Meekrathok, P, Burger, M, Vetter, I.R, Suginta, W. | | Deposit date: | 2017-11-16 | | Release date: | 2018-12-12 | | Last modified: | 2024-01-17 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Crystal structure of GH20 Exo beta-N-Acetylglucosaminidase from Vibrio harveyi
To Be Published
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1JAK
 | | Streptomyces plicatus beta-N-acetylhexosaminidase in Complex with (2R,3R,4S,5R)-2-acetamido-3,4-dihydroxy-5-hydroxymethyl-piperidinium chloride (IFG) | | Descriptor: | (2R,3R,4S,5R)-2-ACETAMIDO-3,4-DIHYDROXY-5-HYDROXYMETHYL-PIPERIDINE, Beta-N-acetylhexosaminidase, CHLORIDE ION, ... | | Authors: | Mark, B.L, Vocadlo, D.J, Zhao, D, Knapp, S, Withers, S.G, James, M.N. | | Deposit date: | 2001-05-30 | | Release date: | 2001-11-21 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | Biochemical and structural assessment of the 1-N-azasugar GalNAc-isofagomine as a potent family 20 beta-N-acetylhexosaminidase inhibitor.
J.Biol.Chem., 276, 2001
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6YXZ
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6Z14
 | | Structure of Bifidobacterium bifidum GH20 beta-N-beta-N-acetylhexosaminidase E553Q variant in complex with 4MU-6SGlcNAc-derived oxazoline | | Descriptor: | 2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)-PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Beta-N-acetylhexosaminidase, NITRATE ION, ... | | Authors: | He, Y, Jin, Y, Rizkallah, P, Chen, P. | | Deposit date: | 2020-05-12 | | Release date: | 2021-05-19 | | Last modified: | 2024-01-24 | | Method: | X-RAY DIFFRACTION (1.67 Å) | | Cite: | Structure and activity of the GH20 beta-N-beta-N-acetylhexosaminidase from Bifidobacterium bifidum
To Be Published
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8PXV
 | | Targeting extended blood antigens by Akkermansia muciniphila enzymes unveils a missing link for generating universal donor blood | | Descriptor: | Beta-N-acetylhexosaminidase, GLYCEROL, SODIUM ION, ... | | Authors: | Weikum, J, Jensen, M, Abou Hachem, M, Morth, J.P. | | Deposit date: | 2023-07-24 | | Release date: | 2024-02-28 | | Last modified: | 2024-05-22 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Akkermansia muciniphila exoglycosidases target extended blood group antigens to generate ABO-universal blood.
Nat Microbiol, 9, 2024
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8PXU
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