X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 288.0
Details PEG4000, ammonium acetate, sodium chloride, sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 288.K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.76 α = 90
b = 156.45 β = 90
c = 161.38 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 BRANDEIS - B4 -- 2001-06-03
Diffraction Radiation
Monochromator Protocol
GRAPHITE MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.00918, 1.00870, 1.0064, 0.9918 NSLS X25

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
1.6 25 82.2 0.045 0.045 -- 6.1 161629 161520 0.0 0.0 21.6
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)
1.6 1.66 31.5 0.211 0.211 4.4 -- 6118

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 1.6 25.0 -- 0.0 161629 161520 8095 82.3 0.181 0.181 0.181 0.201 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.6
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.21
c_improper_angle_d 0.76
c_dihedral_angle_d 23.1
c_bond_d 0.005
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.17
Luzzati Sigma A (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9526
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 820

Software

Software
Software Name Purpose
SOLVE phasing
CNS refinement version: 1.0
DENZO data reduction
CCP4 data scaling version: (TRUNCATE)