X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
pH 4.6
Details CRYSTALLIZED IN HANGING DROPS. 15 MG/ML PROTEIN SOLUTION IN 100 MM SODIUM ACETATE PH 4.6 AND 1 M SODIUM BROMIDE.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.6 α = 90
b = 78.6 β = 90
c = 37.2 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH BENT MIRROR 1998-05
Diffraction Radiation
Monochromator Protocol
SILICON CRYSTAL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9188, 0.9195, 0.9198, 0.9201 NSLS X9B

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
1.7 20 99.0 0.035 0.035 -- 8.5 -- 13429 -- 0.0 16.5
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)
1.7 1.73 80.0 0.182 0.182 10.0 7.0 --

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 1.7 20.0 -- 0.0 -- 13309 1318 99.0 -- 0.21 0.21 0.29 RANDOM 10 %
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.3
Anisotropic B[1][1] 0.644
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.644
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.08
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 17.6
p_staggered_tor 14.9
p_planar_tor 6.6
p_xyhbond_nbd 0.254
p_multtor_nbd 0.299
p_bond_d 0.032
p_angle_d 0.053
p_planar_d 0.053
p_mcbond_it 3.11
p_mcangle_it 3.69
p_scbond_it 5.71
p_scangle_it 6.86
p_plane_restr 0.021
p_chiral_restr 0.264
p_singtor_nbd 0.178
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 197

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
CCP4 model building
SCALEPACK data reduction
DENZO data collection