X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.2
Temperature 293.0
Details Tris 0.1M, PEG 6K 30%, NaCl 0.4M, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.04 α = 90
b = 53.74 β = 90
c = 107.96 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 288
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-07-06
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE D41A -- LURE D41A

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
1.88 22.69 89.8 0.061 -- -- 3.9 20385 20385 0.0 0.0 13.6
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)
1.88 1.93 95.6 0.182 -- -- 3.7 1634

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
-- 1.9 8.0 -- 3.0 -- 18050 1810 84.1 -- 0.179 0.179 0.225 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 1.9 1.97 -- 160 1509 0.238 0.254 0.02 79.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 17.0
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.006
x_improper_angle_d 0.63
x_scangle_it 4.1
x_mcbond_it 1.54
x_dihedral_angle_d 25.7
x_angle_deg 1.2
x_scbond_it 2.83
x_mcangle_it 2.25
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1899
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 144

Software

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