1AQB
RETINOL-BINDING PROTEIN (RBP) FROM PIG PLASMA
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HBP |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | SITTING DROP VAPOR DIFFUSION METHOD, AT A FINAL PROTEIN CONCENTRATION OF 8 MG/ML IN THE PRESENCE OF 8% 2-METHYL-2,4-PENTANEDIOL, 3 MM CADMIUM ACETATE, 0.1 M TRIS-ACETATE, PH=6.8, vapor diffusion - sitting drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.81 | α = 90 |
b = 53.137 | β = 90 |
c = 72.966 | 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 | 300 | AREA DETECTOR | SIEMENS | 1996-09-09 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | MACSCIENCE M18X |
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 | 1.65 | 55 | 91 | 0.064 | 0.064 | 8 | 4.2 | 20127 |
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) | ||||||||||
1.65 | 1.72 | 56 | 0.19 | 0.19 | 4 | 2.5 |
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 (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1HBP | 1.65 | 55 | 20090 | 1001 | 90.5 | 0.1942 | 0.1844 | 0.2372 | EVERY 20TH REFLECTION |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
3 | 5272 | 6284 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_from_restr_planes | 0.2 |
s_zero_chiral_vol | 0.2 |
s_non_zero_chiral_vol | 0.2 |
s_bond_d | 0.03 |
s_angle_d | 0.03 |
s_similar_dist | 0.03 |
s_anti_bump_dis_restr | 0.01 |
s_rigid_bond_adp_cmpnt | |
s_similar_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1428 |
Nucleic Acid Atoms | |
Solvent Atoms | 124 |
Heterogen Atoms | 22 |
Software
Software | |
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Software Name | Purpose |
SAINT | data scaling |
SAINT | data reduction |
SHELXL-93 | model building |
X-PLOR | model building |
SHELXL-93 | refinement |
X-PLOR | refinement |
SHELXL-93 | phasing |
X-PLOR | phasing |