X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 277.0
Details VAPOR DIFFUSION AT 4C. PROTEIN CONCENTRATION: 8.5 MG/ML PROTEIN BUFFER: 25MM NAACETATE, PH 5.0 0.5 M NACL 1 MM EDTA 5 MM B-ME PRECIPITANT: 25% (W/V) PEG 3K 0.1 M MES PH 6.5 10 MM TRIS PH 8.5 5 MM B-ME

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.08 α = 90
b = 55.68 β = 90
c = 122.91 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 MARRESEARCH SAGITALLY FOCUSING MONOCHROMATOR, FOCUSING MIRROR 2005-11-12
Diffraction Radiation
Monochromator Protocol
SI(220) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-ID

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
2.2 30 100.0 0.01 -- -- 7.15 -- 20002 -- 0.0 41.0
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)
2.2 2.26 100.0 0.24 -- 7.39 6.9 --

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
MAD 2.2 30.0 -- 0.0 -- 19535 947 -- -- -- 0.2126 0.257 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 51.2
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.37936
c_bond_d 0.007437
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3030
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 59

Software

Software
Software Name Purpose
CNX refinement version: 2005
HKL-2000 data reduction
HKL-2000 data scaling
PHASES phasing