Crystal Structure of Pyrophosphate-fructose 6-phosphate 1-phosphotransferase 1 (Pfk1) from Trichomonas vaginalis (ADP/5-O-phosphono-alpha-D-ribofuranose complex)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 9DQM | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 291 | Morpheus A4: 12.5%(v/v) MPD, 12.5%(v/v) PEG 1000, 12.5%(w/v) PEG 3350, 100 mM Imidazole/MES, pH 6.5, 30 mM MgCl2 and 30 mM CaCl2. TrvaA.00429.d.B1.PW39248 at 25 mg/mL. 5 hour soak in 2 mM ADP and 5-O-phosphono-alpha-D-ribofuranose in crystallant. plate Liu-S-143 AB34. Puck: PSL-0412, Cryo: Direct | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.35 | 47.69 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 86.96 | α = 90 | 
| b = 86.96 | β = 90 | 
| c = 473.874 | 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 | 100 | PIXEL | DECTRIS EIGER2 XE 9M | 2024-09-28 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | NSLS-II BEAMLINE 19-ID | 0.9786 | NSLS-II | 19-ID | 
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 | 2.65 | 48.96 | 100 | 0.096 | 0.1 | 0.028 | 0.999 | 15.1 | 12.6 | 54628 | |||||||||
| 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 | 2.65 | 2.73 | 100 | 1.597 | 1.658 | 0.445 | 0.674 | 13.7 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 2.65 | 48.96 | 1.33 | 54470 | 2728 | 99.97 | 0.2104 | 0.2077 | 0.2073 | 0.2628 | 0.2583 | ||||||
| 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 | 13.638 | 
| f_angle_d | 0.512 | 
| f_chiral_restr | 0.041 | 
| f_plane_restr | 0.004 | 
| f_bond_d | 0.003 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 12432 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 28 | 
| Heterogen Atoms | 158 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| PHENIX | refinement | 
| Aimless | data scaling | 
| XDS | data reduction | 
| PHASER | phasing | 














