X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.3
Details 1.2 M SODIUM CITRATE 100MM TRISHCL PH 7.3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 124.13 α = 90
b = 51.1 β = 93.1
c = 40.67 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU MIRRORS 1994-03-08
Diffraction Radiation
Monochromator Protocol
NI FILTER --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.7 20 96.0 -- 0.064 -- 2.5 -- 28503 -- 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)
1.7 2.0 29.0 -- 0.23 3.3 1.0 --

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
MIR 1.7 8.0 -- 2.0 -- 19171 -- -- -- 0.184 0.184 0.248 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 1.7 1.87 -- -- 1200 0.29 0.34 -- 30.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.1
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 2.5
x_bond_d 0.018
x_angle_deg 1.98
x_dihedral_angle_d 25.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1920
Nucleic Acid Atoms 0
Heterogen Atoms 53
Solvent Atoms 205

Software

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