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: | 2023-08-09 | 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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1CGY
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1CXL
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1CIU
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1D3C
| MICHAELIS COMPLEX OF BACILLUS CIRCULANS STRAIN 251 CYCLODEXTRIN GLYCOSYLTRANSFERASE WITH GAMMA-CYCLODEXTRIN | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, CYCLODEXTRIN GLYCOSYLTRANSFERASE, ... | Authors: | Uitdehaag, J.C.M, Kalk, K.H, van der Veen, B.A, Dijkhuizen, L, Dijkstra, B.W. | Deposit date: | 1999-09-29 | Release date: | 1999-12-22 | Last modified: | 2023-08-09 | Method: | X-RAY DIFFRACTION (1.78 Å) | Cite: | The cyclization mechanism of cyclodextrin glycosyltransferase (CGTase) as revealed by a gamma-cyclodextrin-CGTase complex at 1.8-A resolution. J.Biol.Chem., 274, 1999
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1CGV
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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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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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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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1JF6
| Crystal structure of thermoactinomyces vulgaris r-47 alpha-amylase mutant F286Y | Descriptor: | ALPHA AMYLASE II, CALCIUM ION | Authors: | Ohtaki, A, Kondo, S, Shimura, Y, Tonozuka, T, Sakano, Y, Kamitori, S. | Deposit date: | 2001-06-20 | Release date: | 2002-05-22 | Last modified: | 2021-11-10 | Method: | X-RAY DIFFRACTION (3.2 Å) | Cite: | Role of Phe286 in the recognition mechanism of cyclomaltooligosaccharides (cyclodextrins) by Thermoactinomyces vulgaris R-47 alpha-amylase 2 (TVAII). X-ray structures of the mutant TVAIIs, F286A and F286Y, and kinetic analyses of the Phe286-replaced mutant TVAIIs CARBOHYDR.RES., 334, 2001
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1JFH
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1JD7
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1JF5
| CRYSTAL STRUCTURE OF THERMOACTINOMYCES VULGARIS R-47 ALPHA-AMYLASE 2 MUTANT F286A | Descriptor: | ALPHA AMYLASE II, CALCIUM ION | Authors: | Ohtaki, A, Kondo, S, Shimura, Y, Tonozuka, T, Sakano, Y, Kamitori, S. | Deposit date: | 2001-06-20 | Release date: | 2002-05-22 | Last modified: | 2021-11-10 | Method: | X-RAY DIFFRACTION (3.2 Å) | Cite: | Role of Phe286 in the recognition mechanism of cyclomaltooligosaccharides (cyclodextrins) by Thermoactinomyces vulgaris R-47 alpha-amylase 2 (TVAII). X-ray structures of the mutant TVAIIs, F286A and F286Y, and kinetic analyses of the Phe286-replaced mutant TVAIIs CARBOHYDR.RES., 334, 2001
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1PIF
| PIG ALPHA-AMYLASE | Descriptor: | ALPHA-AMYLASE, CALCIUM ION, CHLORIDE ION | Authors: | Machius, M, Vertesy, L, Huber, R, Wiegand, G. | Deposit date: | 1996-06-15 | Release date: | 1996-12-07 | Last modified: | 2024-04-03 | Method: | X-RAY DIFFRACTION (2.3 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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1JI2
| Improved X-ray Structure of Thermoactinomyces vulgaris R-47 alpha-Amylase 2 | Descriptor: | ALPHA-AMYLASE II, CALCIUM ION | Authors: | Kamitori, S, Abe, A, Ohtaki, A, Kaji, A, Tonozuka, T, Sakano, Y. | Deposit date: | 2001-06-28 | Release date: | 2002-06-05 | Last modified: | 2024-03-13 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Crystal structures and structural comparison of Thermoactinomyces vulgaris R-47 alpha-amylase 1 (TVAI) at 1.6 A resolution and alpha-amylase 2 (TVAII) at 2.3 A resolution. J.Mol.Biol., 318, 2002
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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: | 2023-08-09 | 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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1JIB
| Complex of Alpha-amylase II (TVA II) from Thermoactinomyces vulgaris R-47 with Maltotetraose Based on a Crystal Soaked with Maltohexaose. | Descriptor: | NEOPULLULANASE, alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | Authors: | Yokota, T, Tonozuka, T, Shimura, Y, Ichikawa, K, Kamitori, S, Sakano, Y. | Deposit date: | 2001-07-02 | Release date: | 2001-07-25 | Last modified: | 2023-10-25 | Method: | X-RAY DIFFRACTION (3.3 Å) | Cite: | Structures of Thermoactinomyces vulgaris R-47 alpha-amylase II complexed with substrate analogues. Biosci.Biotechnol.Biochem., 65, 2001
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1PEZ
| Bacillus circulans strain 251 mutant A230V | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID, ACETIC ACID, ... | Authors: | Rozeboom, H.J, Dijkstra, B.W. | Deposit date: | 2003-05-23 | Release date: | 2003-10-28 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2.32 Å) | Cite: | Conversion of Cyclodextrin Glycosyltransferase into a Starch Hydrolase by Directed Evolution: The Role of Alanine 230 in Acceptor Subsite +1 Biochemistry, 42, 2003
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1PAM
| CYCLODEXTRIN GLUCANOTRANSFERASE | Descriptor: | CALCIUM ION, CYCLODEXTRIN GLUCANOTRANSFERASE | Authors: | Harata, K, Haga, K, Nakamura, A, Aoyagi, M, Yamane, K. | Deposit date: | 1996-07-08 | Release date: | 1997-01-11 | Last modified: | 2024-04-03 | Method: | X-RAY DIFFRACTION (1.8 Å) | Cite: | X-ray structure of cyclodextrin glucanotransferase from alkalophilic Bacillus sp. 1011. Comparison of two independent molecules at 1.8 A resolution. Acta Crystallogr.,Sect.D, 52, 1996
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1JL8
| Complex of alpha-amylase II (TVA II) from Thermoactinomyces vulgaris R-47 with beta-cyclodextrin based on a co-crystallization with methyl beta-cyclodextrin | Descriptor: | ALPHA-AMYLASE II, Cycloheptakis-(1-4)-(alpha-D-glucopyranose) | Authors: | Yokota, T, Tonozuka, T, Shimura, Y, Ichikawa, K, Kamitori, S, Sakano, Y. | Deposit date: | 2001-07-16 | Release date: | 2001-08-01 | Last modified: | 2023-10-25 | Method: | X-RAY DIFFRACTION (3.2 Å) | Cite: | Structures of Thermoactinomyces vulgaris R-47 alpha-amylase II complexed with substrate analogues. Biosci.Biotechnol.Biochem., 65, 2001
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1PJ9
| Bacillus circulans strain 251 loop mutant 183-195 | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, ACETIC ACID, CALCIUM ION, ... | Authors: | Rozeboom, H.J, Dijkstra, B.W. | Deposit date: | 2003-06-02 | Release date: | 2004-02-03 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Improved thermostability of bacillus circulans cyclodextrin glycosyltransferase by the introduction of a salt bridge PROTEINS: STRUCT.,FUNCT.,GENET., 54, 2004
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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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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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