Crystal structure of Human aromatic L-amino acid decarboxylase (AADC) in the apo form
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3RBF | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | vapor diffusion followed by soaking | 7 | 294 | crystals obtained from holoAADC in 0.1 M HEPES pH 7.0, 28-30% Jeffamine ED 2001 pH 7.0 were transferred in a ML droplet to yield apoAADC, vapor diffusion followed by soaking, temperature 294K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.8 | 56.09 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 179.64 | α = 90 |
| b = 179.64 | β = 90 |
| c = 74.95 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 41 21 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 | ADSC QUANTUM 210 | 2010-11-20 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | |||||||||||||
| 3 | 1 | |||||||||||||
| 4 | 1 | |||||||||||||
| 5 | 1 | |||||||||||||
| 6 | 1 | |||||||||||||
| 7 | 1 | |||||||||||||
| 8 | 1 | |||||||||||||
| 9 | 1 | |||||||||||||
| 10 | 1 | |||||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.934 | ESRF | ID14-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 3.24 | 127.025 | 99.8 | 0.131 | 13.8 | 6.4 | 20098 | 20098 | |||||||||||
| 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 | 3.24 | 3.41 | 100 | 0.402 | 0.402 | 1.9 | 6.2 | 2886 | |||||||||||
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 (All) | 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 | 3rbf | 3.24 | 30 | 20120 | 19980 | 1019 | 99.39 | 0.239 | 0.239 | 0.2361 | 0.24 | 0.2943 | 0.29 | RANDOM | 46.6904 | ||
| 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] | |
| 1.87 | 1.87 | -3.74 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.851 |
| r_dihedral_angle_3_deg | 19.478 |
| r_dihedral_angle_4_deg | 18.835 |
| r_dihedral_angle_1_deg | 5.961 |
| r_scangle_it | 2.396 |
| r_scbond_it | 1.353 |
| r_angle_refined_deg | 1.271 |
| r_mcangle_it | 0.919 |
| r_mcbond_it | 0.464 |
| r_chiral_restr | 0.082 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6949 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 1 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOSFLM | data reduction |
| SCALA | data scaling |
| MOLREP | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| EDNA | data collection |














