X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 291.0
Details PEG 10000, Hepes, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.7 α = 90
b = 120.1 β = 90.5
c = 131.1 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B4 -- 2000-04-12
Diffraction Radiation
Monochromator Protocol
Si (111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 0.97938, 0.95373 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
2.6 30 96.3 0.072 -- -- 6.3 60848 56511 1.0 2.0 44.6
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)
2.6 2.74 96.3 0.093 -- -- 4.7 --

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 2.6 30.0 0.0 0.0 55982 55982 2826 -- 0.229 0.229 0.228 0.25 random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.2
c_dihedral_angle_d 22.4
c_improper_angle_d 0.7
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13253
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 349

Software

Software
Software Name Purpose
SHARP phasing
CNS refinement version: 1.0
MARMAD data reduction
CCP4 data scaling version: (SCALA)