2QRK
Crystal Structure of AMP-bound Saccharopine Dehydrogenase (L-Lys Forming) from Saccharomyces cerevisiae
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 2Q99 | PDB ENTRY 2Q99 (BACKBONE ONLY) |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277 | PEG-MME 2000, Bis-Tris, AMP, pH 6.5, vapor diffusion, hanging drop, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.18 | 43.55 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 45.97 | α = 90 |
b = 69.106 | β = 90 |
c = 127.829 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS IV | MICRO-OPTICS | 2007-03-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R | 1.5418 |
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 | 1.75 | 29.01 | 97.8 | 0.034 | 25.9 | 5.87 | 41931 | 41009 | 2 | 2 | 28.5 |
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) | |||||||||||
1.75 | 1.81 | 91.9 | 0.154 | 8.8 | 5.06 | 3799 |
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 2Q99 (BACKBONE ONLY) | 1.75 | 30 | 41931 | 41007 | 2064 | 97.8 | 0.2 | 0.2 | 0.199 | 0.233 | RANDOM | 17.833 |
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] | |
-0.06 | 0.06 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.402 |
r_dihedral_angle_4_deg | 20.963 |
r_dihedral_angle_3_deg | 14.001 |
r_dihedral_angle_1_deg | 5.303 |
r_scangle_it | 2.936 |
r_scbond_it | 1.994 |
r_angle_refined_deg | 1.412 |
r_mcangle_it | 1.357 |
r_mcbond_it | 0.853 |
r_symmetry_vdw_refined | 0.347 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2864 |
Nucleic Acid Atoms | |
Solvent Atoms | 358 |
Heterogen Atoms | 23 |
Software
Software | |
---|---|
Software Name | Purpose |
d*TREK | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
CrystalClear | data collection |
d*TREK | data reduction |
ARP/wARP | model building |