4GWC
Crystal Structure of Mn2+2,Zn2+-Human Arginase I
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 2PHA | PDB entry 2PHA |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 298 | An unliganded Mn2+2-HAI crystal was soaked in 5 mM ZnCl2, 50 mM boric acid, 100 mM HEPES (pH 7.0), and 30% (v/v) Jeffamine ED-2001 for 26 hours., VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.4 | 48.73 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 90.829 | α = 90 |
b = 90.829 | β = 90 |
c = 70.068 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 3 |
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 315 | Cryogenically cooled double crystal monochrometer with horizontal focusing sagital bend second mono crystal with 4:1 magnification ratio and vertically focusing mirror | 2011-12-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.0750 | NSLS | X29A |
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 | 1.9 | 50 | 99.9 | 0.101 | 0.101 | 26.392 | 11.3 | -3 |
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 | 1.9 | 1.97 | 100 | 0.978 | 0.978 | 2.673 | 11 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 2PHA | 1.9 | 50 | 50975 | 49137 | 2368 | 96.4 | 0.154 | 0.154 | 0.154 | 0.2211 | random | 39 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23 |
c_angle_deg | 1.5 |
c_improper_angle_d | 0.94 |
c_bond_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4758 |
Nucleic Acid Atoms | |
Solvent Atoms | 79 |
Heterogen Atoms | 6 |
Software
Software | |
---|---|
Software Name | Purpose |
CBASS | data collection |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
CNS | phasing |