Crystal structure of NADPH-dependent glyoxylate/hydroxypyruvate reductase SMc04462 (SmGhrB) from Sinorhizobium meliloti in complex with NADP and malonate
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 5J23 | PDB entry 5J23 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 289 | 0.2 uL 13 mg/mL protein in 20 mM HEPES, pH 7.5, 150 mM sodium chloride, 10% glycerol, 0.1% sodium azide, 0.5 mM TCEP, 5 mM NADP + 0.2 uL MCSG Suite II condition #20 (1.1 M malonic acid, 0.072 M succinic acid, 0.15 M ammonium citrate tribasic, 0.18 M DL-malic acid, 0.096 M ammonium tartrate dibasic, 0.24 M sodium acetate, 0.3 M sodium formate, pH 7), equilibrated against 1.5 M sodium chloride in a 96-well, 3-drop crystallization plate (Swissci), incubated with 1/50 v/v 1 mg/mL rTEV at 289 K for 3 hours prior to crystallization |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.96 | 58.48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 176.484 | α = 90 |
| b = 176.484 | β = 90 |
| c = 135.857 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | H 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 | MARMOSAIC 300 mm CCD | Beryllium Lenses | 2014-07-24 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.95 | 50 | 99.6 | 0.105 | 0.105 | 0.119 | 0.055 | 7.6 | 4.6 | 114355 | -3 | 30 | |||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||
| 1 | 1.95 | 1.98 | 98.6 | 0.691 | 0.691 | 0.784 | 0.366 | 0.686 | 2.1 | 4.5 | 5653 | ||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 5J23 | 1.95 | 40.29 | 108794 | 5559 | 99.54 | 0.1444 | 0.1438 | 0.15 | 0.1565 | 0.16 | RANDOM | 33.875 | ||||
| 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] | |
| -2.22 | -2.22 | 4.43 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.507 |
| r_dihedral_angle_4_deg | 20.3 |
| r_dihedral_angle_3_deg | 11.866 |
| r_dihedral_angle_1_deg | 5.94 |
| r_angle_refined_deg | 1.34 |
| r_angle_other_deg | 1.1 |
| r_chiral_restr | 0.069 |
| r_bond_refined_d | 0.009 |
| r_gen_planes_refined | 0.006 |
| r_bond_other_d | 0.004 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 9446 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 841 |
| Heterogen Atoms | 223 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MD2 | data collection |
| HKL-3000 | data scaling |
| MOLREP | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-3000 | data reduction |
| DENZO | data reduction |
| SCALEPACK | data scaling |














