3NRD
Crystal structure of a histidine triad (HIT) protein (SMc02904) from SINORHIZOBIUM MELILOTI 1021 at 2.06 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 9 | 277 | 2.4000M (NH4)2SO4, 0.1M Bicine pH 9.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.37 | 48.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 97.358 | α = 90 |
b = 71.114 | β = 90 |
c = 85.241 | γ = 90 |
Symmetry | |
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Space Group | P 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 325 mm CCD | Flat mirror (vertical focusing) | 2009-12-04 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.91837,0.97939,0.97904 | SSRL | BL11-1 |
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 | 2.06 | 29.524 | 98.4 | 0.08 | 10.98 | 4.05 | 37041 | -3 | 24.094 |
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) | |||||||||||
2.06 | 2.13 | 98.4 | 0.519 | 2.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MAD | THROUGHOUT | 2.06 | 29.524 | 37018 | 1843 | 99.18 | 0.17 | 0.167 | 0.17 | 0.215 | 0.21 | RANDOM | 24.905 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-1.71 | -0.95 | 2.66 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.182 |
r_dihedral_angle_4_deg | 17.72 |
r_dihedral_angle_3_deg | 14.07 |
r_dihedral_angle_1_deg | 6.492 |
r_scangle_it | 3.051 |
r_scbond_it | 1.974 |
r_angle_refined_deg | 1.691 |
r_angle_other_deg | 1.271 |
r_mcangle_it | 1.06 |
r_mcbond_it | 0.586 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4262 |
Nucleic Acid Atoms | |
Solvent Atoms | 471 |
Heterogen Atoms | 89 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PHENIX | refinement |
SHELX | phasing |
MolProbity | model building |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
autoSHARP | phasing |