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- PDB-1p43: REVERSE PROTONATION IS THE KEY TO GENERAL ACID-BASE CATALYSIS IN ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1p43 | ||||||
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Title | REVERSE PROTONATION IS THE KEY TO GENERAL ACID-BASE CATALYSIS IN ENOLASE | ||||||
![]() | Enolase 1 | ||||||
![]() | LYASE / Beta Barrel | ||||||
Function / homology | ![]() Gluconeogenesis / regulation of vacuole fusion, non-autophagic / Glycolysis / melatonin binding / phosphopyruvate hydratase / phosphopyruvate hydratase complex / phosphopyruvate hydratase activity / fungal-type vacuole / glycolytic process / magnesium ion binding ...Gluconeogenesis / regulation of vacuole fusion, non-autophagic / Glycolysis / melatonin binding / phosphopyruvate hydratase / phosphopyruvate hydratase complex / phosphopyruvate hydratase activity / fungal-type vacuole / glycolytic process / magnesium ion binding / mitochondrion / plasma membrane / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Sims, P.A. / Larsen, T.M. / Poyner, R.R. / Cleland, W.W. / Reed, G.H. | ||||||
![]() | ![]() Title: Reverse protonation is the key to general acid-base catalysis in enolase Authors: Sims, P.A. / Larsen, T.M. / Poyner, R.R. / Cleland, W.W. / Reed, G.H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 193.8 KB | Display | ![]() |
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PDB format | ![]() | 151.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 388 KB | Display | ![]() |
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Full document | ![]() | 396.6 KB | Display | |
Data in XML | ![]() | 18.3 KB | Display | |
Data in CIF | ![]() | 32.6 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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Components on special symmetry positions |
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Details | The biological assembly is a dimer. The asymmetric unit contains one dimer. |
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Components
#1: Protein | Mass: 46731.812 Da / Num. of mol.: 2 / Mutation: E168Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Gene: ENO1 OR ENOA OR HSP48 OR YGR254W OR G9160 / Production host: ![]() ![]() #2: Chemical | ChemComp-MG / #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.39 Å3/Da / Density % sol: 48.56 % | |||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 293 K / Method: batch / pH: 8 Details: PEG 8000, potassium chloride, HEPPS, pH 8.0, Batch, temperature 293K | |||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Method: batch method | |||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 110 K |
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Diffraction source | Source: ![]() |
Detector | Type: BRUKER PROTEUM / Detector: CCD / Date: Oct 23, 2002 |
Radiation | Monochromator: Montel optics / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.8→30 Å / Num. all: 83994 / Num. obs: 83994 / % possible obs: 99 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 |
Reflection shell | Highest resolution: 1.8 Å / % possible all: 99 |
Reflection | *PLUS Highest resolution: 1.8 Å / Lowest resolution: 30 Å / % possible obs: 99 % / Num. measured all: 303129 / Rmerge(I) obs: 0.047 |
Reflection shell | *PLUS Lowest resolution: 1.88 Å / % possible obs: 99 % / Rmerge(I) obs: 0.217 |
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Processing
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Refinement | Method to determine structure: ![]()
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Refinement step | Cycle: LAST / Resolution: 1.8→30 Å
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Refine LS restraints |
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Refinement | *PLUS Highest resolution: 1.8 Å / Lowest resolution: 30 Å / % reflection Rfree: 5 % | |||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||
Refine LS restraints | *PLUS Type: c_bond_d / Dev ideal: 0.005 |