Structure of native leukocyte myeloperoxidase in complex with a truncated version of the Staphylococcal Peroxidase Inhibitor SPIN and bromide at pH 7.5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 7Z53 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 295.15 | 0.1 M TRIS 7.5 pH 6 %(w/v) PEG 8K 8 %(w/v) PEG 1K 0.4 M NaI |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.59 | 52.6 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 111.919 | α = 90 |
b = 111.919 | β = 90 |
c = 241.758 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 43 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 | 213.15 | PIXEL | DECTRIS EIGER X 9M | Vertical CRL / Horizontal Eliptical mirror | 2023-05-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID30B | 1.9075 | ESRF | ID30B |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 2.21 | 49.01 | 94 | 0.324 | 0.329 | 0.056 | 0.992 | 17.5 | 35.8 | 66495 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.21 | 2.35 | 51.5 | 2.367 | 2.423 | 0.498 | 0.544 | 1.5 | 21.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.21 | 48.08 | 63168 | 3326 | 86.15 | 0.19546 | 0.19251 | 0.1995 | 0.25234 | 0.2573 | RANDOM | 20.829 |
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] | |
-0.15 | -0.15 | 0.29 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 14.171 |
r_dihedral_angle_2_deg | 11.115 |
r_dihedral_angle_1_deg | 7.077 |
r_long_range_B_refined | 3.228 |
r_long_range_B_other | 2.597 |
r_angle_refined_deg | 1.603 |
r_angle_other_deg | 0.547 |
r_chiral_restr | 0.073 |
r_bond_refined_d | 0.007 |
r_gen_planes_refined | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 10077 |
Nucleic Acid Atoms | |
Solvent Atoms | 738 |
Heterogen Atoms | 324 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
XDS | data reduction |
MOLREP | phasing |