2FCH
Crystal Structure of Thioredoxin Mutant G74S
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2TRX | pdb entry 2TRX_A |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | COUNTER-DIFFUSION | 5.4 | 277 | 60% (v/v) MPD, Hepes 15 mM, 1 mM Ac2Cu, pH 5.4, Counter-diffusion, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.54 | 51.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.65 | α = 90 |
b = 88.8 | β = 90 |
c = 118.08 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | BRUKER SMART 6000 | Montel Optics | 2005-07-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | BRUKER AXS MICROSTAR | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.6 | 29.65 | 99.2 | 0.0465 | 21.28 | 4.48 | 26472 | 26251 | 44 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.6 | 2.65 | 93.2 | 0.3179 | 3.27 | 1.96 | 1351 |
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 (All) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | pdb entry 2TRX_A | 2.6 | 29.65 | 24866 | 1328 | 99.16 | 0.207 | 0.203 | 0.276 | RANDOM | 23.307 |
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] | |
-0.02 | -0.21 | 0.24 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 40.157 |
r_dihedral_angle_4_deg | 19.353 |
r_dihedral_angle_3_deg | 15.681 |
r_dihedral_angle_1_deg | 5.723 |
r_mcangle_it | 2.001 |
r_scangle_it | 1.663 |
r_mcbond_it | 1.296 |
r_angle_refined_deg | 1.237 |
r_scbond_it | 1.13 |
r_nbtor_refined | 0.298 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5659 |
Nucleic Acid Atoms | |
Solvent Atoms | 119 |
Heterogen Atoms | 56 |
Software
Software | |
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Software Name | Purpose |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
PROTEUM PLUS | data reduction |
SAINT | data scaling |
SADABS | data scaling |
XPREP | data reduction |