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- PDB-4kbs: Crystal structure of human ceramide-1-phosphate transfer protein ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 4kbs | ||||||
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Title | Crystal structure of human ceramide-1-phosphate transfer protein (CPTP) in complex with 12:0 phosphatidic acid (12:0 PA) | ||||||
![]() | Glycolipid transfer protein domain-containing protein 1 | ||||||
![]() | LIPID TRANSPORT / Lipid transfer protein / GLTP-fold / CPTP / C1P / Ceramide-1-phosphate / Protein-lipid complex / Eicosanoid | ||||||
Function / homology | ![]() ceramide 1-phosphate transport / ceramide transport / ceramide 1-phosphate binding / ceramide 1-phosphate transfer activity / Glycosphingolipid transport / intermembrane lipid transfer / negative regulation of NLRP3 inflammasome complex assembly / nuclear outer membrane / negative regulation of interleukin-1 beta production / negative regulation of autophagy ...ceramide 1-phosphate transport / ceramide transport / ceramide 1-phosphate binding / ceramide 1-phosphate transfer activity / Glycosphingolipid transport / intermembrane lipid transfer / negative regulation of NLRP3 inflammasome complex assembly / nuclear outer membrane / negative regulation of interleukin-1 beta production / negative regulation of autophagy / phospholipid binding / endosome membrane / Golgi apparatus / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() ![]() | ||||||
![]() | Simanshu, D.K. / Brown, R.E. / Patel, D.J. | ||||||
![]() | ![]() Title: Non-vesicular trafficking by a ceramide-1-phosphate transfer protein regulates eicosanoids. Authors: Simanshu, D.K. / Kamlekar, R.K. / Wijesinghe, D.S. / Zou, X. / Zhai, X. / Mishra, S.K. / Molotkovsky, J.G. / Malinina, L. / Hinchcliffe, E.H. / Chalfant, C.E. / Brown, R.E. / Patel, D.J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 103.1 KB | Display | ![]() |
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PDB format | ![]() | 78.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 867 KB | Display | ![]() |
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Full document | ![]() | 873.4 KB | Display | |
Data in XML | ![]() | 21 KB | Display | |
Data in CIF | ![]() | 29.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4k80C ![]() 4k84C ![]() 4k85C ![]() 4k8nC ![]() 4kbrC ![]() 4kf6C C: citing same article ( |
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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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Unit cell |
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Components
#1: Protein | Mass: 24484.154 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.01 Å3/Da / Density % sol: 38.96 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: 0.2 M Sodium acetate, 0.1 M Bis-Tris propane pH 6.5, 20% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Feb 1, 2010 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.97918 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.9→50 Å / Num. obs: 31943 / % possible obs: 99.5 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 5.9 % / Rmerge(I) obs: 0.058 / Χ2: 1.153 / Net I/σ(I): 10.8 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: ![]() |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: Human ceramide-1-phosphate transfer protein in complex with 2:0 Ceramide-1-phosphate (2:0 C1P) Resolution: 1.898→32.622 Å / Occupancy max: 1 / Occupancy min: 0.01 / SU ML: 0.23 / Cross valid method: THROUGHOUT / σ(F): 0.12 / Phase error: 22.55 / 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: 46.36 Å2 / ksol: 0.333 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 86.21 Å2 / Biso mean: 32.8411 Å2 / Biso min: 14.62 Å2
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Refinement step | Cycle: LAST / Resolution: 1.898→32.622 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 14
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