X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 293.0
Details AMMONIUM SULFATE, CALCIUM CHLORIDE, BICINE PH 9; SOAKING AT PH 7 WITH HEPES, PEG400, 4-IODO-ACETAMIDO PHEYLBORONIC ACID, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.24 α = 90
b = 95.79 β = 90
c = 125.07 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-10-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 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 26.6 99.2 -- 0.064 -- 4.5 37897 37897 -- -- 16.7
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)
2.03 2.14 96.7 -- 0.192 3.7 4.3 5285

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 2.03 24.2 -- 2.0 -- 36693 3681 96.1 -- 0.196 0.196 0.234 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 2.03 2.07 1619 186 1619 0.227 0.257 0.019 46.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.2
Anisotropic B[1][1] 0.89
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.67
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.13
c_mcbond_it 1.37
c_scangle_it 2.94
c_dihedral_angle_d 22.1
c_improper_angle_d 0.71
c_bond_d 0.006
c_scbond_it 1.96
c_angle_deg 1.1
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.15
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3872
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 288

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
AMoRE phasing
CNS refinement version: 1.0
CCP4 data scaling version: (SCALA)