1KBB
 
 | | Mechanistic Analyses of Catalysis in Human Pancreatic alpha-Amylase: Detailed Kinetic and Structural Studies of Mutants of Three Conserved Carboxylic Acids | | Descriptor: | ALPHA-AMYLASE, PANCREATIC, CALCIUM ION, ... | | Authors: | Rydberg, E.H, Li, C, Maurus, R, Overall, C.M, Brayer, G.D, Withers, S.G. | | Deposit date: | 2001-11-05 | | Release date: | 2002-04-10 | | Last modified: | 2021-10-27 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Mechanistic analyses of catalysis in human pancreatic alpha-amylase: detailed kinetic and structural studies of mutants of three conserved carboxylic acids.
Biochemistry, 41, 2002
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1U30
 | | In situ extension as an approach for identifying novel alpha-amylase inhibitors, structure containing maltosyl-alpha (1,4)-D-gluconhydroximo-1,5-lactam | | Descriptor: | (2S,3S,4R,5R)-6-(HYDROXYAMINO)-2-(HYDROXYMETHYL)-2,3,4,5-TETRAHYDROPYRIDINE-3,4,5-TRIOL, 2-acetamido-2-deoxy-beta-D-glucopyranose, Alpha-amylase, ... | | Authors: | Numao, S, Li, C, Damager, I, Wrodnigg, T.M, Begum, A, Overall, C.M, Brayer, G.D, Withers, S.G. | | Deposit date: | 2004-07-20 | | Release date: | 2004-09-07 | | Last modified: | 2020-11-11 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | In Situ Extension as an Approach for Identifying Novel alpha-Amylase Inhibitors.
J.Biol.Chem., 279, 2004
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3AMK
 | | Structure of the Starch Branching Enzyme I (BEI) from Oryza sativa L | | Descriptor: | GLYCEROL, Os06g0726400 protein, PHOSPHATE ION | | Authors: | Kakuta, Y, Chaen, K, Noguchi, J, Vu, N, Kimura, M. | | Deposit date: | 2010-08-20 | | Release date: | 2011-09-28 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Crystal structure of the branching enzyme I (BEI) from Oryza sativa L with implications for catalysis and substrate binding.
Glycobiology, 21, 2011
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3BAK
 | | N298S mutant of Human Pancreatic Alpha-Amylase in complex with nitrate | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, CALCIUM ION, NITRATE 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 (1.9 Å) | | Cite: | Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity
Biochemistry, 47, 2008
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1JXK
 | | Role of ethe mobile loop in the mehanism of human salivary amylase | | Descriptor: | Alpha-amylase, salivary, CALCIUM ION, ... | | Authors: | Ramasubbu, N, Ragunath, C, Wang, Z. | | Deposit date: | 2001-09-07 | | Release date: | 2001-09-14 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Probing the role of a mobile loop in substrate binding and enzyme activity of human salivary amylase
J.Mol.Biol., 325, 2003
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1UKS
 | | Crystal structure of F183L/F259L mutant cyclodextrin glucanotransferase complexed with a pseudo-maltotetraose derived from acarbose | | Descriptor: | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-beta-D-galactopyranose, 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL, CALCIUM ION, ... | | Authors: | Haga, K, Kanai, R, Sakamoto, O, Harata, K, Yamane, K. | | Deposit date: | 2003-09-01 | | Release date: | 2004-02-24 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Effects of Essential Carbohydrate/Aromatic Stacking Interaction with Tyr100 and Phe259 on Substrate Binding of Cyclodextrin Glycosyltransferase from Alkalophilic Bacillus sp. 1011
J.Biochem.(Tokyo), 134, 2003
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3BAX
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7P43
 | | Structure of CgGBE in complex with maltotriose | | Descriptor: | 1,4-alpha-glucan-branching enzyme, alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | | Authors: | Ballut, L, Conchou, L, Violot, S, Galisson, F, Aghajari, N. | | Deposit date: | 2021-07-09 | | Release date: | 2022-07-27 | | Last modified: | 2024-01-31 | | Method: | X-RAY DIFFRACTION (1.93 Å) | | Cite: | The Candida glabrata glycogen branching enzyme structure reveals unique features of branching enzymes of the Saccharomycetaceae phylum.
Glycobiology, 32, 2022
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1KCL
 | | Bacillus ciruclans strain 251 Cyclodextrin glycosyl transferase mutant G179L | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, Cyclodextrin glycosyltransferase, ... | | Authors: | Rozeboom, H.J, Uitdehaag, J.C.M, Dijkstra, B.W. | | Deposit date: | 2001-11-09 | | Release date: | 2002-01-16 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.94 Å) | | Cite: | The remote substrate binding subsite -6 in cyclodextrin-glycosyltransferase controls the transferase activity of the enzyme via an induced-fit mechanism.
J.Biol.Chem., 277, 2002
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5GR2
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5GR0
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1U2Y
 | | In situ extension as an approach for identifying novel alpha-amylase inhibitors, structure containing D-gluconhydroximo-1,5-lactam | | Descriptor: | (2S,3S,4R,5R)-6-(HYDROXYAMINO)-2-(HYDROXYMETHYL)-2,3,4,5-TETRAHYDROPYRIDINE-3,4,5-TRIOL, 2-acetamido-2-deoxy-beta-D-glucopyranose, Alpha-amylase, ... | | Authors: | Numao, S, Li, C, Damager, I, Wrodnigg, T.M, Begum, A, Overall, C.M, Brayer, G.D, Withers, S.G. | | Deposit date: | 2004-07-20 | | Release date: | 2004-09-07 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (1.95 Å) | | Cite: | In Situ Extension as an Approach for Identifying Novel alpha-Amylase Inhibitors.
J.Biol.Chem., 279, 2004
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1U33
 | | In situ extension as an approach for identifying novel alpha-amylase inhibitors | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 4'-O-METHYL-MALTOSYL-ALPHA (1,4)-(Z, 3S,4S,5R,6R)-3,4,5-TRIHYDROXY-6-HYDROXYMETHYL-PIPERIDIN-2-ONE, ... | | Authors: | Numao, S, Li, C, Damager, I, Wrodnigg, T.M, Begum, A, Overall, C.M, Brayer, G.D, Withers, S.G. | | Deposit date: | 2004-07-20 | | Release date: | 2004-09-07 | | Last modified: | 2020-11-11 | | Method: | X-RAY DIFFRACTION (1.95 Å) | | Cite: | In Situ Extension as an Approach for Identifying Novel alpha-Amylase Inhibitors.
J.Biol.Chem., 279, 2004
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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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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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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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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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1MFU
 | | Probing the role of a mobile loop in human salivary amylase: Structural studies on the loop-deleted mutant | | Descriptor: | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, ... | | Authors: | Ramasubbu, N, Ragunath, C, Mishra, P.J. | | Deposit date: | 2002-08-13 | | Release date: | 2002-11-20 | | Last modified: | 2023-09-20 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Probing the role of a mobile loop in substrate binding and enzyme activity of
human salivary amylase.
J.Mol.Biol., 325, 2003
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5GR6
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1CPU
 | | SUBSITE MAPPING OF THE ACTIVE SITE OF HUMAN PANCREATIC ALPHA-AMYLASE USING SUBSTRATES, THE PHARMACOLOGICAL INHIBITOR ACARBOSE, AND AN ACTIVE SITE VARIANT | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, ... | | 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: | 1999-06-07 | | Release date: | 1999-06-14 | | 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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5GR4
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1CLV
 | | YELLOW MEAL WORM ALPHA-AMYLASE IN COMPLEX WITH THE AMARANTH ALPHA-AMYLASE INHIBITOR | | Descriptor: | CALCIUM ION, CHLORIDE ION, PROTEIN (ALPHA-AMYLASE INHIBITOR), ... | | Authors: | Pereira, P.J.B, Lozanov, V, Patthy, A, Huber, R, Bode, W, Pongor, S, Strobl, S. | | Deposit date: | 1999-05-04 | | Release date: | 2000-05-03 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Specific inhibition of insect alpha-amylases: yellow meal worm alpha-amylase in complex with the amaranth alpha-amylase inhibitor at 2.0 A resolution.
Structure Fold.Des., 7, 1999
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5GQY
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1DED
 | | CRYSTAL STRUCTURE OF ALKALOPHILIC ASPARAGINE 233-REPLACED CYCLODEXTRIN GLUCANOTRANSFERASE COMPLEXED WITH AN INHIBITOR, ACARBOSE, AT 2.0 A RESOLUTION | | Descriptor: | 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)-beta-D-glucopyranose, CALCIUM ION, CYCLODEXTRIN GLUCANOTRANSFERASE | | Authors: | Ishii, N, Haga, K, Yamane, K, Harata, K. | | Deposit date: | 1999-11-14 | | Release date: | 2000-04-07 | | Last modified: | 2021-11-03 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Crystal structure of alkalophilic asparagine 233-replaced cyclodextrin glucanotransferase complexed with an inhibitor, acarbose, at 2.0 A resolution.
J.Biochem.(Tokyo), 127, 2000
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3OLD
 | | Crystal structure of alpha-amylase in complex with acarviostatin I03 | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, 2-acetamido-2-deoxy-beta-D-glucopyranose, 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL, ... | | Authors: | Qin, X, Ren, L. | | Deposit date: | 2010-08-26 | | Release date: | 2011-04-13 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Structures of human pancreatic alpha-amylase in complex with acarviostatins: Implications for drug design against type II diabetes
J.Struct.Biol., 174, 2011
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