4AE6
Structure and Function of the Human Sperm-Specific Isoform of Protein Kinase A (PKA) Catalytic Subunit Calpha 2
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1SMH | PDB ENTRY 1SMH |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 20 % PEG 3350, 0.2 M POTASSIUM ACETATE, 5 % POLYPROPYLENE GLYCOL P400 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.53 | 51.51 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 75.776 | ¦Á = 90 |
b = 89.495 | ¦Â = 90 |
c = 114.815 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 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 | ADSC CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
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 | 2.1 | 89.44 | 99.8 | 0.07 | 14.9 | 5.83 | 46218 |
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 | 2.1 | 6.64 | 100 | 0.5 | 3.3 | 5.97 |
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 | PDB ENTRY 1SMH | 2.1 | 63.24 | 43775 | 2337 | 99.62 | 0.21864 | 0.21517 | 0.28328 | RANDOM | 37.558 |
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] | |
0.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.18 |
r_dihedral_angle_4_deg | 19.714 |
r_dihedral_angle_3_deg | 18.358 |
r_dihedral_angle_1_deg | 6.671 |
r_scangle_it | 4.801 |
r_scbond_it | 3.091 |
r_mcangle_it | 1.99 |
r_angle_refined_deg | 1.871 |
r_mcbond_it | 1.142 |
r_chiral_restr | 0.131 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5332 |
Nucleic Acid Atoms | |
Solvent Atoms | 255 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALEPACK | data scaling |
MOLREP | phasing |