4UFB
Crystal structure of the Angiotensin-1 converting enzyme N-domain in complex with Lys-Pro
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3NXQ | PDB ENTRY 3NXQ |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 8.5 | 0.06 M DIVALENT CATIONS, 0.1 M TRIS/BICINE PH 8.5, 30 % PEG550MME/PEG20000 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3 | 58 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 73.48 | α = 85.46 |
| b = 101.59 | β = 85.9 |
| c = 114.51 | γ = 81.62 |
| Symmetry | |
|---|---|
| Space Group | P 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 | PIXEL | DECTRIS PILATUS 6M | 2014-11-25 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | Diamond | I03 | |
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 | 1.8 | 30.3 | 97.2 | 0.1 | 6.2 | 3.2 | 293868 | ||||||||||||
| 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 | 1.8 | 1.9 | 96 | 0.7 | 1.5 | 3.2 | |||||||||||||
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 3NXQ | 1.8 | 113.94 | 279271 | 14577 | 97.24 | 0.20812 | 0.20671 | 0.2351 | RANDOM | 29.206 | ||||||
| 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] | |
| -0.92 | -0.47 | -0.08 | 0.3 | 0.14 | 0.47 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.871 |
| r_dihedral_angle_4_deg | 17.054 |
| r_dihedral_angle_3_deg | 13.37 |
| r_dihedral_angle_1_deg | 5.273 |
| r_mcangle_it | 1.497 |
| r_scbond_it | 1.24 |
| r_angle_refined_deg | 1.185 |
| r_mcbond_it | 0.878 |
| r_chiral_restr | 0.084 |
| r_bond_refined_d | 0.007 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 19752 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1611 |
| Heterogen Atoms | 644 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |
| PHASER | phasing |
