1CI1
CRYSTAL STRUCTURE OF TRIOSEPHOSPHATE ISOMERASE FROM TRYPANOSOMA CRUZI IN HEXANE
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1TCD | PDB ENTRY 1TCD |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.5 | PROTEIN WAS CRYSTALLIZED AT ROOM TEMPERATUTE BY VAPER DIFFUSION FROM 0.1 M NA HEPES PH7.5, 2%(V/V) PEG400 AND 2.0 M AMMONIUM SULFATE, THEN SOAKED IN ANHYDROUS N-HEXANE. , VAPOR DIFFUSION |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.32 | 47 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 43.656 | α = 90 |
b = 77.65 | β = 90 |
c = 149.211 | 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 | 291 | IMAGE PLATE | RIGAKU RAXIS IIC | MIRRORS | 1998-04-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 |
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 | 1.95 | 25 | 84.4 | 0.116 | 4.64 | 3.6 | 31766 | 2 | 18.1 |
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 | 2 | 2.11 | 65.5 | 0.113 | 2.1 | 3.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | OTHER | THROUGHOUT | PDB ENTRY 1TCD | 2 | 5 | 2 | 26956 | 2696 | 82.4 | 0.181 | 0.239 | RANDOM | 25.6 |
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 |
x_dihedral_angle_d | 25 |
x_scangle_it | 4.58 |
x_scbond_it | 3 |
x_mcangle_it | 2.21 |
x_mcbond_it | 1.56 |
x_angle_deg | 1.2 |
x_improper_angle_d | 0.64 |
x_bond_d | 0.006 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3818 |
Nucleic Acid Atoms | |
Solvent Atoms | 236 |
Heterogen Atoms | 18 |
Software
Software | |
---|---|
Software Name | Purpose |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |