X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.1
Temperature 283.0
Details ammonium phosphate, glycerol, Tris, sodium chloride, MES, EDTA, beta-mercaptoethanol , pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 283.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.75 α = 90
b = 51.75 β = 90
c = 171.26 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV++ osmic mirrors 2002-06-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH3R 1.5418 -- --

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
2.1 20 95.0 0.085 0.085 -- 23.3 14378 13653 0.0 0.0 23.1
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)
2.1 2.17 93.1 0.343 -- 3.9 31.06 50

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
MOLECULAR REPLACEMENT 2.1 19.18 0.0 0.0 14378 13653 653 95.0 -- 0.212 0.212 0.256 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 2.1 2.17 -- 60 1250 0.243 0.25 0.032 93.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.1
Anisotropic B[1][1] 3.73
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.73
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.46
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_angle_deg 1.1
c_scangle_it 2.67
c_improper_angle_d 1.14
c_mcbond_it 1.1
c_dihedral_angle_d 23.2
c_scbond_it 1.74
c_mcangle_it 1.83
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1466
Nucleic Acid Atoms 229
Heterogen Atoms 0
Solvent Atoms 137

Software

Software
Software Name Purpose
CNS refinement version: 1.0
CrystalClear data reduction version: (MSC/RIGAKU)
SCALEPACK data scaling
CNS phasing