4AZR
Human epidermal fatty acid-binding protein (FABP5) in complex with the endocannabinoid anandamide
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 | 7.5 | 25% PEG 3350, 0.1 M HEPES PH 7.5. FABP INCUBATED IN A SOLUTION SATURATED WITH RESPECT TO ANANDAMIDE PRIOR TO CRYSTALLIZATION. CRYPROTECTION: 25% GLYCEROL IN MOTHER LIQUOR. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.3 | 63 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 66.12 | ¦Á = 90 |
b = 115.15 | ¦Â = 90 |
c = 108.35 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | PIXEL | DECTRIS PILATUS 6M | 2011-03-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X25 | NSLS | X25 |
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 | 2.95 | 20 | 99.9 | 0.11 | 16.1 | 6.5 | 9014 | -3 | 50.3 |
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 | 2.95 | 3 | 100 | 0.58 | 3.2 | 6.4 |
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 | 2.95 | 20 | 8531 | 449 | 99.99 | 0.22161 | 0.21907 | 0.22 | 0.26798 | 0.26 | RANDOM | 38.508 |
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] | |
-0.7 | 1.93 | -1.23 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.976 |
r_dihedral_angle_4_deg | 25.634 |
r_dihedral_angle_3_deg | 18.167 |
r_dihedral_angle_1_deg | 6.464 |
r_scangle_it | 2.398 |
r_scbond_it | 1.4 |
r_angle_refined_deg | 1.293 |
r_mcangle_it | 0.92 |
r_mcbond_it | 0.456 |
r_chiral_restr | 0.077 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2108 |
Nucleic Acid Atoms | |
Solvent Atoms | 32 |
Heterogen Atoms | 51 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |