3Q6L
Crystal Structure of Human Adipocyte Fatty Acid Binding Protein (FABP4) at 1.4 Ang. Resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3HK1 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.4 | 298 | Sodium phosphate monobasic monohydrate/Potassium phosphate dibasic 2.2 - 2.6M, pH 7 - 7.4, Protein concentration 17mg/ml., VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.96 | 37.27 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 32.647 | α = 90 |
b = 54.004 | β = 90 |
c = 75.237 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | 73 | CCD | ADSC QUANTUM 210 | 2010-11-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.9774 | ALS | 5.0.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.4 | 54.1 | 94.5 | 0.084 | 0.079 | 14.3 | 7.5 | 25377 | 25377 | 2 | 2 | 14.28 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.4 | 1.48 | 94.5 | 0.75 | 0.649 | 2.1 | 3.6 | 9783 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3HK1 | 1.4 | 43.87 | 26948 | 25287 | 1282 | 93.92 | 0.19158 | 0.18974 | 0.22728 | RANDOM | 16.579 |
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] | |
0.46 | 0.19 | -0.66 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.271 |
r_dihedral_angle_4_deg | 21.349 |
r_dihedral_angle_3_deg | 13.399 |
r_dihedral_angle_1_deg | 5.521 |
r_scangle_it | 5.077 |
r_scbond_it | 3.131 |
r_mcangle_it | 2.088 |
r_rigid_bond_restr | 1.319 |
r_angle_refined_deg | 1.251 |
r_mcbond_it | 1.139 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1022 |
Nucleic Acid Atoms | |
Solvent Atoms | 145 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
MOLREP | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |