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- PDB-1lf3: CRYSTAL STRUCTURE OF PLASMEPSIN II FROM P FALCIPARUM IN COMPLEX W... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1lf3 | ||||||
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Title | CRYSTAL STRUCTURE OF PLASMEPSIN II FROM P FALCIPARUM IN COMPLEX WITH INHIBITOR EH58 | ||||||
![]() | plasmepsin 2 | ||||||
![]() | HYDROLASE / plasmepsin / plasmodium falciparum / aspartic protease | ||||||
Function / homology | ![]() cytostome / plasmepsin II / acquisition of nutrients from host / vacuolar lumen / food vacuole / vacuolar membrane / aspartic-type endopeptidase activity / proteolysis Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Asojo, O.A. / Gulnik, S.V. / Afonina, E. / Yu, B. / Ellman, J.A. / Haque, T.S. / Silva, A.M. | ||||||
![]() | ![]() Title: Novel uncomplexed and complexed structures of plasmepsin II, an aspartic protease from Plasmodium falciparum. Authors: Asojo, O.A. / Gulnik, S.V. / Afonina, E. / Yu, B. / Ellman, J.A. / Haque, T.S. / Silva, A.M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 77.2 KB | Display | ![]() |
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PDB format | ![]() | 56.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1lf4C ![]() 1ls5C ![]() 1smeS 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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2 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 37123.941 Da / Num. of mol.: 1 / Fragment: Residues 123-453 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Plasmid: PET 22B (NOVAGEN) / Production host: ![]() ![]() |
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#2: Chemical | ChemComp-EH5 / |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.53 Å3/Da / Density % sol: 51.44 % | ||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Details: 298K | ||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 20 ℃ / pH: 7 / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 298 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.7→20 Å / Num. obs: 9126 / % possible obs: 93 % / Observed criterion σ(I): 2 / Redundancy: 3 % / Biso Wilson estimate: 62.3 Å2 / Rmerge(I) obs: 0.066 / Rsym value: 0.06 / Net I/σ(I): 12.1 |
Reflection shell | Resolution: 2.7→2.9 Å / Redundancy: 3 % / Rmerge(I) obs: 0.32 / Mean I/σ(I) obs: 2 / Rsym value: 0.28 / % possible all: 90 |
Reflection | *PLUS Lowest resolution: 20 Å / Num. obs: 18608 / % possible obs: 93 % / Rmerge(I) obs: 0.0669 |
Reflection shell | *PLUS % possible obs: 87.1 % / Rmerge(I) obs: 0.322 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1SME Resolution: 2.7→17.76 Å / Rfactor Rfree error: 0.011 / Data cutoff high absF: 1165627.48 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 50.7997 Å2 / ksol: 0.278511 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 31.4 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.7→17.76 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.7→2.87 Å / Rfactor Rfree error: 0.04 / Total num. of bins used: 6
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Xplor file | Serial no: 1 / Param file: PROTEIN_REP.PARAM / Topol file: PROTEIN.TOP | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.7 Å / Lowest resolution: 20 Å / % reflection Rfree: 5 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Highest resolution: 2.7 Å / Lowest resolution: 2.9 Å |