Murine epidermal fatty acid-binding protein (FABP5) in complex with the endocannabinoid 2-arachidonoylglycerol
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1B56 | PDB ENTRY 1B56 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.8 | 293 | 200 MM NACL, 50 MM NAAC PH 4.8, 25% PEG 3350 AND 5% MPD, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K. CRYSTALS SOAKED IN THE MOTHER LIQUOR SATURATED WITH 2-ARACHIDONOYLGLYCEROL AND CONTAINING 25% GLYCEROL FOR CRYOPROTECTION. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.4 | 49 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 79.48 | ¦Á = 90 |
b = 79.48 | ¦Â = 90 |
c = 82.7 | ¦Ã = 120 |
Symmetry | |
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Space Group | P 64 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | 2010-09-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2 | 20 | 99.6 | 0.08 | 18.5 | 11.4 | 10920 | -3 | 51.5 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2 | 2.1 | 100 | 0.52 | 4.9 | 11.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1B56 | 2 | 20 | 10366 | 545 | 99.72 | 0.21831 | 0.21627 | 0.21 | 0.25727 | 0.26 | RANDOM | 44.061 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.2 | -0.1 | -0.2 | 0.3 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.745 |
r_dihedral_angle_4_deg | 22.786 |
r_dihedral_angle_3_deg | 15.72 |
r_dihedral_angle_1_deg | 6.437 |
r_scangle_it | 3.321 |
r_scbond_it | 2.022 |
r_angle_refined_deg | 1.392 |
r_mcangle_it | 1.219 |
r_mcbond_it | 0.626 |
r_chiral_restr | 0.081 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1061 |
Nucleic Acid Atoms | |
Solvent Atoms | 68 |
Heterogen Atoms | 28 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |