3BLK
 
 | | Role of aromatic residues in starch binding | | Descriptor: | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, Alpha-amylase 1, ... | | Authors: | Ramasubbu, N. | | Deposit date: | 2007-12-11 | | Release date: | 2008-11-25 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Structure-function relationships in human salivary alpha-amylase: role of aromatic residues in a secondary binding site
Biologia, 63, 2008
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1UA3
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1WO2
 | | Crystal structure of the pig pancreatic alpha-amylase complexed with malto-oligosaacharides under the effect of the chloride ion | | Descriptor: | 1,2-ETHANEDIOL, Alpha-amylase, pancreatic, ... | | Authors: | Qian, M, Payan, F, Nahoum, V. | | Deposit date: | 2004-08-11 | | Release date: | 2005-03-15 | | Last modified: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (2.01 Å) | | Cite: | Molecular Basis of the Effects of Chloride Ion on the Acid-Base Catalyst in the Mechanism of Pancreatic alpha-Amylase
Biochemistry, 44, 2005
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1XH1
 | | Structure of the N298S variant of human pancreatic alpha-amylase complexed with chloride | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, Alpha-amylase, pancreatic, ... | | Authors: | Maurus, R, Begum, A, Kuo, H.H, Racaza, A, Numao, S, Overall, C.M, Withers, S.G, Brayer, G.D. | | Deposit date: | 2004-09-17 | | Release date: | 2005-05-24 | | Last modified: | 2024-10-23 | | Method: | X-RAY DIFFRACTION (2.03 Å) | | Cite: | Structural and mechanistic studies of chloride induced activation of human pancreatic alpha-amylase
PROTEIN SCI., 14, 2005
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1JFH
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8CQF
 | | Crystal Structure of a Chimeric Alpha-Amylase from Pseudoalteromonas Haloplanktis Complexed with Rearranged 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)-1,5-anhydro-D-glucitol, 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: | Skagseth, S, Griese, J.J, Lund, B.A, van der Ent, F, Aqvist, J. | | Deposit date: | 2023-03-06 | | Release date: | 2023-06-21 | | Last modified: | 2023-07-12 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | Computational design of the temperature optimum of an enzyme reaction.
Sci Adv, 9, 2023
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1Q4N
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7P45
 | | Structure of CgGBE in P212121 space group | | Descriptor: | 1,2-ETHANEDIOL, 1,4-alpha-glucan-branching enzyme | | 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 (2.09 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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1CXK
 | | COMPLEX BETWEEN A MALTONONAOSE SUBSTRATE AND BACILLUS CIRCULANS STRAIN 251 CGTASE E257Q/D229N | | Descriptor: | CALCIUM ION, PROTEIN (CYCLODEXTRIN-GLYCOSYLTRANSFERASE), alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, ... | | Authors: | Uitdehaag, J.C.M, Kalk, K.H, Dijkstra, B.W. | | Deposit date: | 1999-02-24 | | Release date: | 1999-05-03 | | Last modified: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (2.09 Å) | | Cite: | X-ray structures along the reaction pathway of cyclodextrin glycosyltransferase elucidate catalysis in the alpha-amylase family.
Nat.Struct.Biol., 6, 1999
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1CXE
 | | COMPLEX OF CGTASE WITH MALTOTETRAOSE AT ROOM TEMPERATURE AND PH 9.1 BASED ON DIFFRACTION DATA OF A CRYSTAL SOAKED WITH ALPHA-CYCLODEXTRIN | | Descriptor: | CALCIUM ION, CYCLODEXTRIN GLYCOSYLTRANSFERASE, alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, ... | | Authors: | Knegtel, R.M.A, Strokopytov, B.V, Dijkstra, B.W. | | Deposit date: | 1995-07-28 | | Release date: | 1995-12-15 | | Last modified: | 2024-10-16 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Crystallographic studies of the interaction of cyclodextrin glycosyltransferase from Bacillus circulans strain 251 with natural substrates and products.
J.Biol.Chem., 270, 1995
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1CXF
 | | COMPLEX OF A (D229N/E257Q) DOUBLE MUTANT CGTASE FROM BACILLUS CIRCULANS STRAIN 251 WITH MALTOTETRAOSE AT 120 K AND PH 9.1 OBTAINED AFTER SOAKING THE CRYSTAL WITH ALPHA-CYCLODEXTRIN | | Descriptor: | CALCIUM ION, CYCLODEXTRIN GLYCOSYLTRANSFERASE, Cyclohexakis-(1-4)-(alpha-D-glucopyranose), ... | | Authors: | Knegtel, R.M.A, Strokopytov, B.V, Dijkstra, B.W. | | Deposit date: | 1995-07-28 | | Release date: | 1995-12-15 | | Last modified: | 2020-07-29 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Crystallographic studies of the interaction of cyclodextrin glycosyltransferase from Bacillus circulans strain 251 with natural substrates and products.
J.Biol.Chem., 270, 1995
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1OT2
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1V3L
 | | Crystal structure of F283L mutant cyclodextrin glycosyltransferase complexed with a pseudo-tetraose derived from acarbose | | Descriptor: | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose, 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-beta-D-galactopyranose, 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL, ... | | Authors: | Kanai, R, Haga, K, Akiba, T, Yamane, K, Harata, K. | | Deposit date: | 2003-11-03 | | Release date: | 2004-08-03 | | Last modified: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Role of Phe283 in enzymatic reaction of cyclodextrin glycosyltransferase from alkalophilic Bacillus sp.1011: Substrate binding and arrangement of the catalytic site
PROTEIN SCI., 13, 2004
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1KGW
 | | THREE DIMENSIONAL STRUCTURE ANALYSIS OF THE R337Q VARIANT OF HUMAN PANCREATIC ALPHA-MYLASE | | 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: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Probing the role of the chloride ion in the mechanism of human pancreatic alpha-amylase.
Biochemistry, 41, 2002
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1L0P
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1NM9
 | | Crystal structure of recombinant human salivary amylase mutant W58A | | Descriptor: | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, Alpha-amylase, ... | | Authors: | Ramasubbu, N, Ragunath, C, Mishra, P.J, Thomas, L.M. | | Deposit date: | 2003-01-09 | | Release date: | 2004-01-20 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (2.1 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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3BAJ
 | | 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: | 2007-11-07 | | Release date: | 2008-03-25 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity
Biochemistry, 47, 2008
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1KB3
 | | Three Dimensional Structure Analysis of the R195A 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: | 2001-11-05 | | Release date: | 2002-05-01 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Probing the role of the chloride ion in the mechanism of human pancreatic alpha-amylase.
Biochemistry, 41, 2002
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3L2L
 | | X-ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Limit Dextrin and Oligosaccharide | | Descriptor: | CALCIUM ION, CHLORIDE ION, Pancreatic alpha-amylase, ... | | 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 (2.11 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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1PIG
 | | PIG PANCREATIC ALPHA-AMYLASE COMPLEXED WITH THE OLIGOSACCHARIDE V-1532 | | 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)-beta-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, ... | | Authors: | Machius, M, Vertesy, L, Huber, R, Wiegand, G. | | Deposit date: | 1996-06-15 | | Release date: | 1996-12-07 | | Last modified: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Carbohydrate and protein-based inhibitors of porcine pancreatic alpha-amylase: structure analysis and comparison of their binding characteristics.
J.Mol.Biol., 260, 1996
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1CXI
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1UKT
 | | Crystal structure of Y100L mutant cyclodextrin glucanotransferase compexed with an acarbose | | Descriptor: | 4,6-dideoxy-alpha-D-xylo-hexopyranose-(1-4)-alpha-D-glucopyranose-(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: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (2.2 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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1TCM
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1PPI
 | | THE ACTIVE CENTER OF A MAMMALIAN ALPHA-AMYLASE. THE STRUCTURE OF THE COMPLEX OF A PANCREATIC ALPHA-AMYLASE WITH A CARBOHYDRATE INHIBITOR REFINED TO 2.2 ANGSTROMS RESOLUTION | | Descriptor: | 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-beta-D-glucopyranose, ALPHA-AMYLASE, CALCIUM ION, ... | | Authors: | Qian, M, Haser, R, Payan, F. | | Deposit date: | 1994-02-22 | | Release date: | 1995-05-24 | | Last modified: | 2024-10-23 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | The active center of a mammalian alpha-amylase. Structure of the complex of a pancreatic alpha-amylase with a carbohydrate inhibitor refined to 2.2-A resolution.
Biochemistry, 33, 1994
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1XH2
 | | Structure of the N298S variant of human pancreatic alpha-amylase complexed with chloride and acarbose | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, ACARBOSE DERIVED PENTASACCHARIDE, Alpha-amylase, ... | | Authors: | Maurus, R, Begum, A, Kuo, H.H, Racaza, A, Numao, S, Overall, C.M, Withers, S.G, Brayer, G.D. | | Deposit date: | 2004-09-17 | | Release date: | 2005-05-24 | | Last modified: | 2024-10-23 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Structural and mechanistic studies of chloride induced activation of human pancreatic alpha-amylase
PROTEIN SCI., 14, 2005
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