X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details PEG MME 2000, calcium chloride, ammonium sulphate, Hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.59 α = 90
b = 76.71 β = 90
c = 83.48 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC NORMAL FOCUS 1998-03-31
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200HB -- -- --

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
2.55 32.9 98.9 0.129 -- -- 2.6 7974 7974 0.0 0.0 47.996
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)
2.55 2.69 97.3 0.517 -- 1.4 2.3 --

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
-- 2.55 32.969 0.0 0.0 7965 7965 367 98.6 0.221 0.221 0.221 0.277 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 2.55 2.67 -- 56 902 0.2567 0.3899 -- 97.06
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.91
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.678
x_bond_d 0.023
x_angle_deg 1.206
x_dihedral_angle_d 29.984
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3136
Luzzati Sigma A (Observed) 0.277
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.4331
Luzzati Sigma A (R-Free Set) 0.4855
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1663
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 16

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
X-PLOR refinement version: 3.851
CCP4 data scaling version: (SCALA)