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- PDB-3q2p: Reduced sweetness of a monellin (MNEI) mutant results from increa... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3q2p | ||||||
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Title | Reduced sweetness of a monellin (MNEI) mutant results from increased protein flexibility and disruption of a distant poly-(L-proline) II helix | ||||||
![]() | Monellin chain B/Monellin chain A chimeric protein | ||||||
![]() | PLANT PROTEIN / sweet protein / sweet receptor / T1R2:T1R3 | ||||||
Function / homology | ![]() Monellin, A chain / Monellin, A chain superfamily / Monellin, B chain / Monellin / Monellin / Nuclear Transport Factor 2; Chain: A, - #10 / Cystatin superfamily / Nuclear Transport Factor 2; Chain: A, / Roll / Alpha Beta Similarity search - Domain/homology | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Templeton, C.M. / Hobbs, J.R. / Munger, S.D. / Conn, G.L. | ||||||
![]() | ![]() Title: Reduced Sweetness of a Monellin (MNEI) Mutant Results from Increased Protein Flexibility and Disruption of a Distant Poly-(L-Proline) II Helix. Authors: Templeton, C.M. / Ostovar Pour, S. / Hobbs, J.R. / Blanch, E.W. / Munger, S.D. / Conn, G.L. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 93.7 KB | Display | ![]() |
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PDB format | ![]() | 72.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 448.6 KB | Display | ![]() |
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Full document | ![]() | 453 KB | Display | |
Data in XML | ![]() | 18.1 KB | Display | |
Data in CIF | ![]() | 25.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3pxmC ![]() 3pyjC ![]() 2o9uS 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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1 | ![]()
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2 | ![]()
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3 | ![]()
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4 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 11405.021 Da / Num. of mol.: 4 / Mutation: G16A, V37A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Plasmid: pET22b / Production host: ![]() ![]() #2: Chemical | ChemComp-NA / | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.27 Å3/Da / Density % sol: 45.85 % |
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Crystal grow | Temperature: 293.15 K / Method: vapor diffusion, hanging drop / pH: 4.2 Details: 200 mM NaCl, 100 mM phosphate-citrate, 20% w/v PEG8000, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 293.15K |
-Data collection
Diffraction | Mean temperature: 200 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU / Detector: IMAGE PLATE / Date: Apr 10, 2008 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.34→40 Å / Num. all: 16980 / Num. obs: 16708 / % possible obs: 98.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 7.3 % / Rmerge(I) obs: 0.104 / Net I/σ(I): 16 |
Reflection shell | Resolution: 2.34→2.49 Å / Redundancy: 5.5 % / Rmerge(I) obs: 0.531 / Mean I/σ(I) obs: 3.8 / Num. unique all: 2480 / % possible all: 90.8 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 2O9U Resolution: 2.341→31.4 Å / SU ML: 0.35 / σ(F): 0 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 31.622 Å2 / ksol: 0.332 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters |
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Refinement step | Cycle: LAST / Resolution: 2.341→31.4 Å
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Refine LS restraints |
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LS refinement shell |
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