Crystal structure of a TRAP periplasmic solute binding protein from Desulfovibrio salexigens DSM2638 (Desal_3247), Target EFI-510112, phased with I3C, open complex, C-terminus of symmetry mate bound in ligand binding site
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 298 | 40 mg/mL protein in 10 mM HEPES, pH 7.5, 5 mM DTT, 10 mM D-Tryptophan, reservoir: 0.1 M tri-sodium citrate, pH 5.5, 20% w/v PEG3000, soak for 5 minutes in 250 mM IC3, 20% PEG3350, 100 mM HEPES, pH 7.0, 20% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 298K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.17 | 43.2 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 44.703 | α = 90 | 
| b = 68.249 | β = 90 | 
| c = 108.687 | 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 | mirrors | 2013-10-09 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | RIGAKU RU300 | 1.54 | ||
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 | 1.7 | 100 | 98.3 | 0.053 | 0.053 | 22.3 | 12.4 | 36699 | 36699 | 14 | |||||||||
| 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 | 1.7 | 1.73 | 84.9 | 0.237 | 8.1 | 1554 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | SAD | 1.701 | 21.982 | 36641 | 36641 | 1834 | 98.18 | 0.1472 | 0.1472 | 0.1453 | 0.15 | 0.1836 | 0.18 | RANDOM | 18.3755 | ||||
| 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 | 
| f_dihedral_angle_d | 12.271 | 
| f_angle_d | 1.213 | 
| f_chiral_restr | 0.068 | 
| f_bond_d | 0.009 | 
| f_plane_restr | 0.006 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 2497 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 421 | 
| Heterogen Atoms | 37 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| DENZO | data reduction | 
| SCALEPACK | data scaling | 
| PHENIX | refinement | 
| PDB_EXTRACT | data extraction | 
| HKL-3000 | data collection | 
| HKL-3000 | data reduction | 
| HKL-3000 | phasing | 














