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- PDB-3bax: N298S Variant of Human Pancreatic Alpha-Amylase in Complex with Azide -
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Open data
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Basic information
Entry | Database: PDB / ID: 3bax | |||||||||
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Title | N298S Variant of Human Pancreatic Alpha-Amylase in Complex with Azide | |||||||||
![]() | Pancreatic alpha-amylase | |||||||||
![]() | HYDROLASE / Amylase / Diabetes / Human / Pancreatic / Enzyme / Catalysis / Anion Activation / Chloride / Azide / Carbohydrate metabolism / Glycoprotein / Glycosidase / Metal-binding / Pyrrolidone carboxylic acid / Secreted | |||||||||
Function / homology | ![]() polysaccharide digestion / Digestion of dietary carbohydrate / alpha-amylase / carbohydrate catabolic process / alpha-amylase activity / chloride ion binding / carbohydrate metabolic process / calcium ion binding / extracellular space / extracellular exosome / extracellular region Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Maurus, R. / Brayer, G.D. | |||||||||
![]() | ![]() Title: Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity Authors: Maurus, R. / Begum, A. / Williams, L.K. / Fredriksen, J.R. / Zhang, R. / Withers, S.G. / Brayer, G.D. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 128.8 KB | Display | ![]() |
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PDB format | ![]() | 95.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 448.2 KB | Display | ![]() |
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Full document | ![]() | 451.9 KB | Display | |
Data in XML | ![]() | 26.4 KB | Display | |
Data in CIF | ![]() | 40.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2qmkC ![]() 2qv4C ![]() 3baiC ![]() 3bajC ![]() 3bakC ![]() 3bawC ![]() 3bayC ![]() 1bsiS C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
-Protein / Sugars , 2 types, 2 molecules A![](data/chem/img/NAG.gif)
![](data/chem/img/NAG.gif)
#1: Protein | Mass: 55904.281 Da / Num. of mol.: 1 / Mutation: N298S Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Sugar | ChemComp-NAG / |
-Non-polymers , 5 types, 624 molecules ![](data/chem/img/CA.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/AZI.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/AZI.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/HOH.gif)
#3: Chemical | ChemComp-CA / | ||||
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#4: Chemical | ChemComp-CL / | ||||
#5: Chemical | #6: Chemical | #7: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.06 Å3/Da / Density % sol: 40.16 % |
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Crystal grow | Temperature: 300 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: 60% 2-methylpentane-2,4-diol, 100 mM cacodylate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 300K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Details: mirrors |
Radiation | Monochromator: mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→30 Å / Num. all: 36630 / Num. obs: 36630 / Redundancy: 7.1 % / Rmerge(I) obs: 0.036 / Net I/σ(I): 34.2 |
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Processing
Software |
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Refinement | Method to determine structure: ![]() Starting model: PDB Entry 1BSI Resolution: 1.9→30 Å
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Displacement parameters | Biso mean: 19.47 Å2 | ||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.9→30 Å
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Refine LS restraints |
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