4H8V
 
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3BSG
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5M99
 | | Functional Characterization and Crystal Structure of Thermostable Amylase from Thermotoga petrophila, reveals High Thermostability and an Archaic form of Dimerization | | Descriptor: | 1,2-ETHANEDIOL, 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Alpha-amylase, ... | | Authors: | Hameed, U, Price, I, Mirza, O.A. | | Deposit date: | 2016-11-01 | | Release date: | 2017-07-19 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (1.96 Å) | | Cite: | Functional characterization and crystal structure of thermostable amylase from Thermotoga petrophila, reveals high thermostability and an unusual form of dimerization.
Biochim. Biophys. Acta, 1865, 2017
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2QV4
 | | Human pancreatic alpha-amylase complexed with nitrite and acarbose | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 4,6-dideoxy-4-{[(1S,4R,5R,6S)-4-{[alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl-(1->4)-alpha-D-glucopyranosyl]oxy}-5,6-dihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose, CALCIUM ION, ... | | Authors: | Williams, L.K, Maurus, R, Brayer, G.D. | | Deposit date: | 2007-08-07 | | Release date: | 2008-03-25 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.97 Å) | | Cite: | Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity
Biochemistry, 47, 2008
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3L2M
 | | X-ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-cyclodextrin | | Descriptor: | CALCIUM ION, CHLORIDE ION, Cyclohexakis-(1-4)-(alpha-D-glucopyranose), ... | | Authors: | Larson, S.B, Day, J.S, McPherson, A. | | Deposit date: | 2009-12-15 | | Release date: | 2010-04-14 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (1.97 Å) | | Cite: | X-ray crystallographic analyses of pig pancreatic alpha-amylase with limit dextrin, oligosaccharide, and alpha-cyclodextrin.
Biochemistry, 49, 2010
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3UCQ
 | | Crystal structure of amylosucrase from Deinococcus geothermalis | | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Amylosucrase, GLYCEROL | | Authors: | Guerin, F, Pizzut-Serin, S, Guillet, V, Mourey, L, Potocki-Veronese, G, Remaud-Simeon, M, Andre, I, Tranier, S. | | Deposit date: | 2011-10-27 | | Release date: | 2012-01-11 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (1.97 Å) | | Cite: | Structural Investigation of the Thermostability and Product Specificity of Amylosucrase from the Bacterium Deinococcus geothermalis.
J.Biol.Chem., 287, 2012
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7TAA
 | | FAMILY 13 ALPHA AMYLASE IN COMPLEX WITH ACARBOSE | | Descriptor: | CALCIUM ION, MODIFIED ACARBOSE HEXASACCHARIDE, TAKA AMYLASE | | Authors: | Davies, G.J, Brzozowski, A.M. | | Deposit date: | 1997-10-06 | | Release date: | 1998-11-25 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (1.98 Å) | | Cite: | Structure of the Aspergillus oryzae alpha-amylase complexed with the inhibitor acarbose at 2.0 A resolution.
Biochemistry, 36, 1997
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6JFX
 | | Crystal structure of Pullulanase from Paenibacillus barengoltzii complex with maltopentaose | | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, CALCIUM ION, CHLORIDE ION, ... | | Authors: | Wu, S.W, Yang, S.Q, Qin, Z, You, X, Huang, P, Jiang, Z.Q. | | Deposit date: | 2019-02-12 | | Release date: | 2019-02-20 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (1.981 Å) | | Cite: | Structural basis of carbohydrate binding in domain C of a type I pullulanase from Paenibacillus barengoltzii.
Acta Crystallogr D Struct Biol, 76, 2020
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8DL2
 | | BoGH13ASus from Bacteroides ovatus bound to acarbose | | Descriptor: | 1,2-ETHANEDIOL, 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, ... | | Authors: | Brown, H.A, DeVeaux, A.L, Koropatkin, N.M. | | Deposit date: | 2022-07-06 | | Release date: | 2023-05-24 | | Last modified: | 2024-04-10 | | Method: | X-RAY DIFFRACTION (1.99 Å) | | Cite: | BoGH13A Sus from Bacteroides ovatus represents a novel alpha-amylase used for Bacteroides starch breakdown in the human gut.
Cell.Mol.Life Sci., 80, 2023
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3BAY
 | | N298S Variant of Human Pancreatic Alpha-Amylase in Complex with Nitrate and Acarbose | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, ACARBOSE DERIVED PENTASACCHARIDE, CALCIUM ION, ... | | Authors: | Fredriksen, J.R, Maurus, R, Brayer, G.D. | | Deposit date: | 2007-11-08 | | Release date: | 2008-03-25 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.99 Å) | | Cite: | Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity
Biochemistry, 47, 2008
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1JXJ
 | | Role of mobile loop in the mechanism of human salivary amylase | | Descriptor: | Alpha-amylase, salivary, CALCIUM ION, ... | | Authors: | Ramasubbu, N, Ragunath, C, Wang, Z, Mishra, P.J, Thomas, L.M. | | Deposit date: | 2001-09-07 | | Release date: | 2001-09-14 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.99 Å) | | Cite: | Human salivary alpha-amylase Trp58 situated at subsite -2 is critical for enzyme activity.
Eur.J.Biochem., 271, 2004
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1QI5
 | | MUTANT (D294N) MALTOTETRAOSE-FORMING EXO-AMYLASE IN COMPLEX WITH MALTOTETRAOSE | | Descriptor: | CALCIUM ION, PROTEIN (EXO-MALTOTETRAOHYDROLASE), alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | | Authors: | Hasegawa, K, Kubota, M, Matsuura, Y. | | Deposit date: | 1999-06-03 | | Release date: | 1999-11-24 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Roles of catalytic residues in alpha-amylases as evidenced by the structures of the product-complexed mutants of a maltotetraose-forming amylase.
Protein Eng., 12, 1999
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1KGX
 | | Three Dimensional Structure Analysis of the R195Q Variant of Human Pancreatic Alpha Amylase | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, ALPHA-AMYLASE, PANCREATIC, ... | | Authors: | Numao, S, Maurus, R, Sidhu, G, Wang, Y, Overall, C.M, Brayer, G.D, Withers, S.G. | | Deposit date: | 2001-11-28 | | Release date: | 2002-01-16 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Probing the role of the chloride ion in the mechanism of human pancreatic alpha-amylase.
Biochemistry, 41, 2002
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2PWE
 | | Crystal structure of the MutB E254Q mutant in complex with the substrate sucrose | | Descriptor: | CALCIUM ION, Sucrose isomerase, beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose | | Authors: | Ravaud, S, Robert, X, Haser, R, Aghajari, N. | | Deposit date: | 2007-05-11 | | Release date: | 2007-06-26 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Trehalulose synthase native and carbohydrate complexed structures provide insights into sucrose isomerization.
J.Biol.Chem., 282, 2007
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1QI4
 | | MUTANT (E219G) MALTOTETRAOSE-FORMING EXO-AMYLASE IN COMPLEX WITH MALTOTETRAOSE | | Descriptor: | CALCIUM ION, PROTEIN (EXO-MALTOTETRAOHYDROLASE), alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | | Authors: | Hasegawa, K, Kubota, M, Matsuura, Y. | | Deposit date: | 1999-06-01 | | Release date: | 1999-11-24 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Roles of catalytic residues in alpha-amylases as evidenced by the structures of the product-complexed mutants of a maltotetraose-forming amylase.
Protein Eng., 12, 1999
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2PWH
 | | Crystal structure of the trehalulose synthase MutB from Pseudomonas mesoacidophila MX-45 | | Descriptor: | CALCIUM ION, Sucrose isomerase | | Authors: | Ravaud, S, Robert, X, Haser, R, Aghajari, N. | | Deposit date: | 2007-05-11 | | Release date: | 2007-06-26 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Trehalulose synthase native and carbohydrate complexed structures provide insights into sucrose isomerization.
J.Biol.Chem., 61, 2007
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1KGU
 | | THREE DIMENSIONAL STRUCTURE ANALYSIS OF THE R337A VARIANT OF HUMAN PANCREATIC ALPHA-AMYLASE | | Descriptor: | ALPHA-AMYLASE, PANCREATIC, CALCIUM ION | | Authors: | Numao, S, Maurus, R, Sidhu, G, Wang, Y, Overall, C.M, Brayer, G.D, Withers, S.G. | | Deposit date: | 2001-11-28 | | Release date: | 2002-01-16 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Probing the role of the chloride ion in the mechanism of human pancreatic alpha-amylase.
Biochemistry, 41, 2002
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1WZL
 | | Thermoactinomyces vulgaris R-47 alpha-amylase II (TVA II) mutatnt R469L | | Descriptor: | Alpha-amylase II, CALCIUM ION | | Authors: | Mizuno, M, Ichikawa, K, Tonozuka, T, Ohtaki, A, Shimura, Y, Kamitori, S, Nishikawa, A, Sakano, Y. | | Deposit date: | 2005-03-06 | | Release date: | 2005-03-22 | | Last modified: | 2021-11-10 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Mutagenesis and Structural Analysis of Thermoactinomyces vulgaris R-47 alpha-Amylase II (TVA II)
To be Published
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2CPU
 | | SUBSITE MAPPING OF THE ACTIVE SITE OF HUMAN PANCREATIC ALPHA-AMYLASE USING SUBSTRATES, THE PHARMACOLOGICAL INHIBITOR ACARBOSE, AND AN ACTIVE SITE VARIANT | | Descriptor: | ALPHA-AMYLASE, CALCIUM ION, CHLORIDE ION | | Authors: | Brayer, G.D, Sidhu, G, Maurus, R, Rydberg, E.H, Braun, C, Wang, Y, Nguyen, N.T, Overall, C.M, Withers, S.G. | | Deposit date: | 1999-06-08 | | Release date: | 2001-06-30 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Subsite mapping of the human pancreatic alpha-amylase active site through structural, kinetic, and mutagenesis techniques.
Biochemistry, 39, 2000
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5GR6
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5GR4
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1RP8
 | | Crystal structure of barley alpha-amylase isozyme 1 (amy1) inactive mutant d180a in complex with maltoheptaose | | Descriptor: | Alpha-amylase type 1 isozyme, CALCIUM ION, alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, ... | | Authors: | Robert, X, Haser, R, Aghajari, N. | | Deposit date: | 2003-12-03 | | Release date: | 2005-06-07 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Oligosaccharide Binding to Barley {alpha}-Amylase 1
J.Biol.Chem., 280, 2005
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8ORP
 | | Crystal structure of Drosophila melanogaster alpha-amylase in complex with the inhibitor acarbose | | Descriptor: | 1,2-ETHANEDIOL, 4,6-dideoxy-4-{[(1S,2S,3S,4R,5R)-2,3,4-trihydroxy-5-(hydroxymethyl)cyclohexyl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 4,6-dideoxy-4-{[(1S,2S,3S,4R,5R)-2,3,4-trihydroxy-5-(hydroxymethyl)cyclohexyl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose, ... | | Authors: | Aghajari, N, Haser, R. | | Deposit date: | 2023-04-16 | | Release date: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Structural and Functional Characterization of Drosophila melanogaster alpha-Amylase.
Molecules, 28, 2023
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1XCW
 | | Acarbose Rearrangement Mechanism Implied by the Kinetic and Structural Analysis of Human Pancreatic alpha-Amylase in Complex with Analogues and Their Elongated Counterparts | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 4,6-dideoxy-4-{[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]amino}-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, Alpha-amylase, ... | | Authors: | Li, C, Begum, A, Numao, S, Park, K.H, Withers, S.G, Brayer, G.D. | | Deposit date: | 2004-09-03 | | Release date: | 2004-12-07 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Acarbose Rearrangement Mechanism Implied by the Kinetic and Structural Analysis of Human Pancreatic alpha-Amylase in Complex with Analogues and Their Elongated Counterparts
Biochemistry, 44, 2005
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5GQY
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