3SD6
Crystal structure of the amino-terminal domain of human cardiac troponin C in complex with cadmium at 1.4 resolution.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 298 | cadmium sulphate 0.05M, sodium acetate 1.0M, 0.1M Hepes, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.82 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.576 | α = 90 |
b = 49.576 | β = 90 |
c = 116.041 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 | MARMOSAIC 300 mm CCD | 2010-07-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 0.97949 | CLSI | 08ID-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.37 | 50 | 97 | 0.05 | 64 | 10.5 | 18054 | 17494 | 2 | -3 |
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 | 1.37 | 1.42 | 79.8 | 0.429 | 2.3 | 4.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.37 | 42.93 | 17008 | 924 | 96.7 | 0.134 | 0.133 | 0.148 | RANDOM | 25.78 |
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] | |
1.1 | 0.55 | 1.1 | -1.65 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 43.9 |
r_dihedral_angle_4_deg | 25.8 |
r_dihedral_angle_3_deg | 15.722 |
r_scangle_it | 9.236 |
r_scbond_it | 6.916 |
r_dihedral_angle_1_deg | 6.025 |
r_mcangle_it | 5.169 |
r_rigid_bond_restr | 4.134 |
r_mcbond_it | 3.781 |
r_angle_refined_deg | 1.541 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 667 |
Nucleic Acid Atoms | |
Solvent Atoms | 49 |
Heterogen Atoms | 17 |
Software
Software | |
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Software Name | Purpose |
MxDC | data collection |
PHASER | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |