X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help


Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 293.0
Details Tri HCl, PEG8K, NaoAc, MgCl2, NaKPO4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.48 α = 90
b = 79.23 β = 90
c = 114.16 γ = 90
Space Group P 21 21 21


Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-08-17
Diffraction Radiation
Monochromator Protocol
Silicon MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.979322, 0.979289, 0.964092 NSLS X8C

Data Collection

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
1.96 99 99.5 -- 0.1 -- -- 348918 348771 0.0 0.0 --
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)
1.96 2.03 97.7 -- -- -- -- --


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 1.96 45.0 -- 0.0 91148 91148 2646 -- -- -- 0.217 0.267 RANDAM
RMS Deviations
Key Refinement Restraint Deviation
c_angle_d 1.6
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4859
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 263


Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
CNS Structure Refinement
Software Name Purpose
CNS refinement
SOLVE model building
HKL2000 data reduction
ADX data collection