X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details PROTEIN WAS CRYSTALLIZED FROM PEG-600 25-35% (V/V) IN 50-100 MM HEPES, PH 6.0-7.0, OR WITH PEG-550 MME 30% (V/V) IN 50 MM NA ACETATE, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.42 α = 90
b = 109.01 β = 90
c = 227.84 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2003-11-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

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
2.65 20 99.1 0.08 -- -- 3.5 -- 57806 -- 2.0 57.2
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)
2.65 2.72 99.1 0.41 -- 4.0 3.6 --

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 2.65 20.0 -- -- -- 56261 1176 98.79 -- 0.19407 0.19338 0.22768 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 2.65 2.718 -- 84 4036 0.243 0.274 -- 99.47
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.587
Anisotropic B[1][1] 4.16
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.35
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.51
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.862
r_scbond_it 1.7
r_mcangle_it 1.052
r_mcbond_it 0.545
r_gen_planes_refined 0.007
r_chiral_restr 0.107
r_dihedral_angle_4_deg 21.32
r_dihedral_angle_3_deg 16.131
r_dihedral_angle_2_deg 33.875
r_dihedral_angle_1_deg 6.823
r_angle_refined_deg 1.393
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8309
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 186

Software

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement