Catalytic domain of mouse 2',3'-cyclic nucleotide 3'- phosphodiesterase, soaked with 2',3'-cyclic AMP
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2XMI | PDB ENTRY 2XMI |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 3.5 | CRYSTALLIZATION: 50 MM NA-CITRATE PH 3.5 & 30 % PEG 3000, SOAKING: 50 MM NA-CITRATE PH 3.5, 35 % PEG 1500 & 100 MM 2,3-CYCLIC AMP | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.13 | 42 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 41.36 | α = 90 |
| b = 46.81 | β = 90 |
| c = 106.59 | γ = 90 |
| Symmetry | |
|---|---|
| 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 | MARRESEARCH MAR165 | MULTILAYER MIRROR, CURVED TO FOCUS IN THE VERTICAL (R 400 M) | 2010-05-14 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | MAX II BEAMLINE I911-2 | MAX II | I911-2 | |
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 | 2.4 | 20 | 98.2 | 0.1 | 13 | 4.7 | 8420 | -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 | 2.4 | 2.46 | 99.5 | 0.94 | 1.8 | 4.8 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2XMI | 2.4 | 53.29 | 7999 | 421 | 98.2 | 0.21019 | 0.20712 | 0.22 | 0.26943 | 0.26 | RANDOM | 68.513 | ||||
| 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] | |
| 2.89 | -2.52 | -0.36 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.614 |
| r_dihedral_angle_4_deg | 18.745 |
| r_dihedral_angle_3_deg | 16.731 |
| r_dihedral_angle_1_deg | 5.65 |
| r_scangle_it | 3.874 |
| r_scbond_it | 2.555 |
| r_mcangle_it | 2.013 |
| r_angle_refined_deg | 1.258 |
| r_mcbond_it | 1.064 |
| r_chiral_restr | 0.078 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1636 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 33 |
| Heterogen Atoms | 23 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| PHASER | phasing |
