4MQ0
Crystal structure of Parkia biglobosa seed lectin (PBL) in complex with methyl alpha D-mannopyranoside
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 310 | NaCl 0.1 M, Bicine 0.1 M, PEG 550 25%, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 310K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 77.139 | α = 90 |
b = 86.659 | β = 90 |
c = 127.857 | γ = 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 | CCD | MARMOSAIC 225 mm CCD | 2013-04-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | LNLS BEAMLINE W01B-MX2 | 1.4590 | LNLS | W01B-MX2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.12 | 43.33 | 94.71 | 22080 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.12 | 43.33 | 22080 | 22080 | 1197 | 94.73 | 0.25992 | 0.25813 | 0.29272 | RANDOM | 46.245 |
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] | |
-0.03 | 0.03 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.196 |
r_dihedral_angle_3_deg | 19.297 |
r_dihedral_angle_4_deg | 12.588 |
r_dihedral_angle_1_deg | 7.399 |
r_scangle_it | 3.679 |
r_scbond_it | 2.46 |
r_mcangle_it | 2.375 |
r_angle_refined_deg | 1.905 |
r_mcbond_it | 1.609 |
r_chiral_restr | 0.373 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3310 |
Nucleic Acid Atoms | |
Solvent Atoms | 91 |
Heterogen Atoms | 39 |
Software
Software | |
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Software Name | Purpose |
MOLREP | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |