X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.05 M AMMONIUM ACETATE, 0.01 M MAGNESIUM CHLORIDE, 10% V/V MPD, 6% V/V GLYCEROL, 0.05 M TRIS HCL BUFFER PH 7.5 AT 24 DEGREES C

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.74 α = 90
b = 156.97 β = 100.16
c = 55.87 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 RIGAKU RAXIS IV MIRRORS 1999-02-25
Diffraction Radiation
Monochromator Protocol
DIAMOND SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL45XU -- SPring-8 BL45XU

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
2.7 20 96.0 -- 0.046 -- 3.151 -- 18605 -- 0.0 72.7
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)
2.7 2.8 87.8 -- 0.233 2.109 2.2 --

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
MAD AND MIR 2.8 19.87 -- 0.0 -- 16664 818 96.1 -- 0.222 0.222 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 2.8 2.97 -- 105 2424 0.412 0.452 0.044 88.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 80.4
Anisotropic B[1][1] 36.22
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 15.66
Anisotropic B[2][2] -23.51
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -12.71
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.13
c_dihedral_angle_d 18.0
c_bond_d 0.006
c_mcangle_it 8.8
c_angle_deg 1.1
c_scbond_it 10.1
c_scangle_it 13.64
c_mcbond_it 5.91
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.41
Luzzati Sigma A (Observed) 0.54
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.58
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2490
Nucleic Acid Atoms 1060
Heterogen Atoms 1
Solvent Atoms 25

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
CNS phasing version: 0.9