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 = 78.92 α = 90
b = 110.11 β = 90
c = 227.27 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 -- 2004-03-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.75 20 99.8 0.07 -- -- 3.9 -- 52292 -- 2.0 71.8
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)
2.75 2.82 99.5 0.48 -- 3.6 3.9 --

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
OTHER 2.75 20.0 -- -- -- 51034 1074 99.83 -- 0.19963 0.19881 0.2389 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 2.75 2.82 -- 65 3682 0.337 0.405 -- 99.39
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 54.995
Anisotropic B[1][1] 4.26
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.93
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.19
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 2.455
r_scbond_it 1.395
r_mcangle_it 0.896
r_mcbond_it 0.453
r_gen_planes_refined 0.006
r_chiral_restr 0.104
r_dihedral_angle_4_deg 18.276
r_dihedral_angle_3_deg 16.525
r_dihedral_angle_2_deg 33.201
r_dihedral_angle_1_deg 6.688
r_angle_refined_deg 1.388
r_bond_refined_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8319
Nucleic Acid Atoms 0
Heterogen Atoms 100
Solvent Atoms 67

Software

Computing
Computing Package Purpose
HKL2000 Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
REFMAC5 Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
REFMAC5 model building