5IIH
Crystal structure of Equine Serum Albumin in the presence of 2.5 mM zinc at pH 7.4
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3V08 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 289 | 1 ul of 30 mg/ml protein in 10 mM Tris pH 7.5 and 150 mM NaCl buffer was mixed with 1 ul of the well condition (0.2 M Li2SO4, 0.1 M Tris:HCl pH 7.4, 2.0 M (NH4)2SO4, 5 mM ZnCl2) and equilibrated against well solution in 15 Well Crystallization Plate (Qiagen) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.69 | 54.28 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.098 | α = 90 |
b = 93.098 | β = 90 |
c = 141.442 | γ = 120 |
Symmetry | |
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Space Group | P 61 |
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 | MARMOSAIC 300 mm CCD | Beryllium Lenses | 2014-11-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.979 | APS | 21-ID-G |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.4 | 50.01 | 99.6 | 0.071 | 0.071 | 9.3 | 7.7 | 27051 | -3 | 56.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.4 | 2.44 | 99.3 | 0.965 | 7.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3V08 | 2.4 | 50.01 | 25677 | 1348 | 99.65 | 0.1777 | 0.1748 | 0.2354 | RANDOM | 72.017 |
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] | |
2.39 | 1.19 | 2.39 | -7.75 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.954 |
r_dihedral_angle_4_deg | 19.732 |
r_dihedral_angle_3_deg | 14.713 |
r_mcangle_it | 8.463 |
r_mcbond_it | 7.113 |
r_mcbond_other | 7.113 |
r_dihedral_angle_1_deg | 5.154 |
r_angle_refined_deg | 1.222 |
r_angle_other_deg | 0.918 |
r_chiral_restr | 0.066 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4501 |
Nucleic Acid Atoms | |
Solvent Atoms | 133 |
Heterogen Atoms | 6 |
Software
Software | |
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Software Name | Purpose |
MD2 | data collection |
SCALEPACK | data scaling |
HKL-3000 | data reduction |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |