X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.7
Temperature 295.0
Details pH 7.70, VAPOR DIFFUSION, SITTING DROP, temperature 295.00K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.8 α = 90
b = 66.3 β = 98.4
c = 71.8 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1996-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

Data Collection

Overall
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
2.5 20 83.9 0.077 -- -- 4.2 -- 18834 -- 2.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.5 2.6 87.7 0.269 -- -- 4.2 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
RIGID BODY REFINEMENT 2.5 20.0 -- 2.0 -- 20807 1467 87.0 -- -- 0.209 0.308 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.5 2.59 -- 81 1261 0.315 0.321 -- 55.4
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -2.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.753
Anisotropic B[2][2] 4.706
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.35
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.46
x_bond_d 0.011
x_angle_deg 1.47
x_dihedral_angle_d 22.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3778
Nucleic Acid Atoms 896
Heterogen Atoms 0
Solvent Atoms 273

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR model building