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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1HNY
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1JD7
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1KXH
| Crystal structure of the complex between an inactive mutant of psychrophilic alpha-amylase (D174N) and acarbose | 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)-alpha-D-glucopyranose, CALCIUM ION, CHLORIDE ION, ... | Authors: | Aghajari, N, Haser, R. | Deposit date: | 2002-01-31 | Release date: | 2002-06-19 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Crystallographic evidence of a transglycosylation reaction: ternary complexes of a psychrophilic alpha-amylase. Biochemistry, 41
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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: | 2023-08-16 | 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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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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1JAE
| STRUCTURE OF TENEBRIO MOLITOR LARVAL ALPHA-AMYLASE | Descriptor: | ALPHA-AMYLASE, CALCIUM ION, CHLORIDE ION | Authors: | Strobl, S, Maskos, K, Betz, M, Wiegand, G, Huber, R, Gomis-Rueth, F.X, Frank, G, Glockshuber, R. | Deposit date: | 1997-09-30 | Release date: | 1998-11-04 | Last modified: | 2024-04-03 | Method: | X-RAY DIFFRACTION (1.65 Å) | Cite: | Crystal structure of yellow meal worm alpha-amylase at 1.64 A resolution. J.Mol.Biol., 278, 1998
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1JD9
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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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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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1KBK
| Mechanistic Analyses of Catalysis in Human Pancreatic Alpha-Amylase: Detailed Kinetic and Structural Studies of Mutants of Three Conserved Carboxylic Acids | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, ALPHA-AMYLASE, PANCREATIC, ... | Authors: | Rydberg, E.H, Li, C, Maurus, R, Overall, C.M, Brayer, G.D, Withers, S.G. | Deposit date: | 2001-11-06 | 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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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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1KCK
| Bacillus circulans strain 251 Cyclodextrin glycosyl transferase mutant N193G | Descriptor: | 1-AMINO-2,3-DIHYDROXY-5-HYDROXYMETHYL CYCLOHEX-5-ENE, 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 (2.43 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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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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1KXT
| Camelid VHH Domains in Complex with Porcine Pancreatic alpha-Amylase | Descriptor: | ALPHA-AMYLASE, PANCREATIC, CALCIUM ION, ... | Authors: | Desmyter, A, Spinelli, S, Payan, F, Lauwereys, M, Wyns, L, Muyldermans, S, Cambillau, C. | Deposit date: | 2002-02-01 | Release date: | 2002-06-19 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Three camelid VHH domains in complex with porcine pancreatic alpha-amylase. Inhibition and versatility of binding topology. J.Biol.Chem., 277, 2002
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1KXQ
| Camelid VHH Domain in Complex with Porcine Pancreatic alpha-Amylase | Descriptor: | CALCIUM ION, CHLORIDE ION, alpha-amylase, ... | Authors: | Desmyter, A, Spinelli, S, Payan, F, Lauwereys, M, Wyns, L, Muyldermans, S, Cambillau, C. | Deposit date: | 2002-02-01 | Release date: | 2002-06-19 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (1.6 Å) | Cite: | Three camelid VHH domains in complex with porcine pancreatic alpha-amylase. Inhibition and versatility of binding topology. J.Biol.Chem., 277, 2002
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1KXV
| Camelid VHH Domains in Complex with Porcine Pancreatic alpha-Amylase | Descriptor: | ALPHA-AMYLASE, PANCREATIC, CAMELID VHH DOMAIN CAB10 | Authors: | Desmyter, A, Spinelli, S, Payan, F, Lauwereys, M, Wyns, L, Muyldermans, S, Cambillau, C. | Deposit date: | 2002-02-01 | Release date: | 2002-06-19 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (1.6 Å) | Cite: | Three camelid VHH domains in complex with porcine pancreatic alpha-amylase. Inhibition and versatility of binding topology. J.Biol.Chem., 277, 2002
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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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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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1DHK
| STRUCTURE OF PORCINE PANCREATIC ALPHA-AMYLASE | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, BEAN LECTIN-LIKE INHIBITOR, ... | Authors: | Bompard-Gilles, C, Payan, F. | Deposit date: | 1996-10-14 | Release date: | 1997-12-24 | Last modified: | 2024-04-03 | Method: | X-RAY DIFFRACTION (1.85 Å) | Cite: | Substrate mimicry in the active center of a mammalian alpha-amylase: structural analysis of an enzyme-inhibitor complex. Structure, 4, 1996
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1DTU
| BACILLUS CIRCULANS STRAIN 251 CYCLODEXTRIN GLYCOSYLTRANSFERASE: A MUTANT Y89D/S146P COMPLEXED TO AN HEXASACCHARIDE INHIBITOR | Descriptor: | 1-AMINO-2,3-DIHYDROXY-5-HYDROXYMETHYL CYCLOHEX-5-ENE, CALCIUM ION, PROTEIN (CYCLODEXTRIN GLYCOSYLTRANSFERASE), ... | Authors: | Uitdehaag, J.C.M, Kalk, K.H, Dijkstra, B.W. | Deposit date: | 2000-01-13 | Release date: | 2000-03-06 | Last modified: | 2023-08-09 | Method: | X-RAY DIFFRACTION (2.4 Å) | Cite: | Rational design of cyclodextrin glycosyltransferase from Bacillus circulans strain 251 to increase alpha-cyclodextrin production. J.Mol.Biol., 296, 2000
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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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1CXI
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1CYG
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1CGU
| CATALYTIC CENTER OF CYCLODEXTRIN GLYCOSYLTRANSFERASE DERIVED FROM X-RAY STRUCTURE ANALYSIS COMBINED WITH SITE-DIRECTED MUTAGENESIS | Descriptor: | CALCIUM ION, CYCLODEXTRIN GLYCOSYL-TRANSFERASE, alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | Authors: | Klein, C, Hollender, J, Bender, H, Schulz, G.E. | Deposit date: | 1992-06-10 | Release date: | 1994-01-31 | Last modified: | 2020-07-29 | Method: | X-RAY DIFFRACTION (2.5 Å) | Cite: | Catalytic center of cyclodextrin glycosyltransferase derived from X-ray structure analysis combined with site-directed mutagenesis. Biochemistry, 31, 1992
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