X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.0
Details 0.1M NA-CITRATE PH 5.0, 14% PEG 4000, 12% ISO-PROPANOL, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.95 α = 90
b = 73.95 β = 90
c = 331.34 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS -- 2001-07-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.1 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
1.5 40 98.8 0.11 -- -- 15.0 -- 145976 -- -3.0 --
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)
1.5 1.53 90.3 0.399 -- -- -- 6525

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
AB INITIO 1.5 10.0 -- 0.0 141046 141046 7157 95.1 -- -- 0.1395 0.1721 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.012
c_angle_deg 2.13
Coordinate Error
Parameter Value
Number Disordered Residues 42.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5488
Nucleic Acid Atoms 0
Heterogen Atoms 117
Solvent Atoms 667

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
SHELXL-97 refinement
CNS phasing