X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.4
Temperature 298.0
Details 15-30% PEG4000, 50mM Na citrate pH5.4, 10mM EDTA, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 130.87 α = 90
b = 116.4 β = 90
c = 55.37 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-02-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
2.4 20 99.2 -- -- -- 5.7 34177 33900 1.0 1.0 --
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)
2.4 2.49 93.9 -- 0.77 2.0 -- --

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 2.4 20.0 1.0 1.0 34177 30022 1568 94.39 0.2266 0.2237 0.22375 0.28246 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 2.4 2.461 -- -- 1764 0.296 0.413 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.924
Anisotropic B[1][1] 1.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.57
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.32
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_bond_refined_d 0.015
r_scbond_it 2.364
r_dihedral_angle_1_deg 7.44
r_chiral_restr 0.121
r_mcangle_it 1.295
r_symmetry_vdw_refined 0.274
r_angle_refined_deg 1.724
r_mcbond_it 0.675
r_scangle_it 3.802
r_xyhbond_nbd_refined 0.16
r_nbd_refined 0.227
r_symmetry_hbond_refined 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4578
Nucleic Acid Atoms 0
Heterogen Atoms 70
Solvent Atoms 84

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing
REFMAC refinement version: 5.1.19