Crystal Structure of Human Orotidine 5'-monophosphate Decarboxylase Complexed with XMP
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2P1F | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.4 | 293 | Ammonium Sulfate, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.06 | 40.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 69.857 | α = 90 |
| b = 61.976 | β = 112.96 |
| c = 70.514 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
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 225 mm CCD | DCM with cryo-cooled 1st crystal sagittally bent 2nd crystal followed by vertically focusing mirror | 2007-08-15 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 0.97934 | CLSI | 08ID-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.8 | 50 | 97.8 | 0.111 | 0.111 | 6.6 | 4.9 | 50616 | 49502 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.8 | 1.86 | 90.9 | 0.456 | 0.456 | 1.64 | 3.4 | 4656 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | 2P1F | 1.8 | 24.2 | 49353 | 48026 | 2579 | 97.31 | 0.18723 | 0.18505 | 0.18 | 0.22844 | 0.23 | RANDOM | 20.266 | |||
| 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] | |
| 1.11 | 1.77 | -1.04 | 1.31 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.246 |
| r_dihedral_angle_4_deg | 16.098 |
| r_dihedral_angle_3_deg | 13.454 |
| r_dihedral_angle_1_deg | 6.078 |
| r_scangle_it | 3.716 |
| r_scbond_it | 2.354 |
| r_angle_refined_deg | 1.52 |
| r_mcangle_it | 1.377 |
| r_mcbond_it | 1.001 |
| r_nbtor_refined | 0.3 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3934 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 311 |
| Heterogen Atoms | 64 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MxDC | data collection |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| MOLREP | phasing |
| Coot | model building |














