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- PDB-1byc: CRYSTAL STRUCTURES OF SOYBEAN BETA-AMYLASE REACTED WITH BETA-MALT... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1byc | |||||||||
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Title | CRYSTAL STRUCTURES OF SOYBEAN BETA-AMYLASE REACTED WITH BETA-MALTOSE AND MALTAL: ACTIVE SITE COMPONENTS AND THEIR APPARENT ROLE IN CATALYSIS | |||||||||
![]() | BETA-AMYLASE | |||||||||
![]() | HYDROLASE(O-GLYCOSYL) | |||||||||
Function / homology | ![]() beta-amylase / beta-amylase activity / amylopectin maltohydrolase activity / polysaccharide catabolic process Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() | |||||||||
![]() | Mikami, B. / Degano, M. / Hehre, E.J. / Sacchettini, J.C. | |||||||||
![]() | ![]() Title: Crystal structures of soybean beta-amylase reacted with beta-maltose and maltal: active site components and their apparent roles in catalysis. Authors: Mikami, B. / Degano, M. / Hehre, E.J. / Sacchettini, J.C. #1: ![]() Title: The 2.0-Angstroms Resolution Structure of Soybean Beta-Amylase Complexed with Alpha-Cyclodextrin Authors: Mikami, B. / Hehre, E.J. / Sato, M. / Katsube, Y. / Hirose, M. / Morita, Y. / Sacchettini, J.C. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 118 KB | Display | ![]() |
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PDB format | ![]() | 89.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 455.7 KB | Display | ![]() |
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Full document | ![]() | 480.4 KB | Display | |
Data in XML | ![]() | 14.7 KB | Display | |
Data in CIF | ![]() | 23.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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1 |
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Unit cell |
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Atom site foot note | 1: LEU 419 - ARG 420 OMEGA = 6.90 PEPTIDE BOND DEVIATES SIGNIFICANTLY FROM TRANS CONFORMATION |
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Components
#1: Protein | Mass: 56071.316 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Polysaccharide | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#3: Chemical | ChemComp-SO4 / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.76 Å3/Da / Density % sol: 55.38 % | |||||||||||||||
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Crystal grow | *PLUS Method: unknown / Details: Morita, Y., (1975) J. Biochem., 77, 343. | |||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Radiation | Scattering type: x-ray |
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Radiation wavelength | Relative weight: 1 |
Reflection | *PLUS Num. obs: 42972 / Num. measured all: 180801 |
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Processing
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Refinement | Resolution: 2.2→9 Å / σ(F): 2 /
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Refinement step | Cycle: LAST / Resolution: 2.2→9 Å
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Refine LS restraints |
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