X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 10 ML PROTEIN, 1 MICROLITER 50MM MES, PH 6.5, 100MM KCL, 9 ML 50%(W/W)PEG 2K., pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.47 α = 90
b = 43.13 β = 94.76
c = 61.31 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 287
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II -- 1994-08-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
1.94 8 84.7 0.086 -- -- 3.09 -- 10428 -- 2.0 --
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)
2.18 2.2 90.3 0.052 33.3 2.6 3.6 --

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
MOLECULAR REPLACEMENT 2.2 8.0 -- 2.0 -- 10428 -- 96.1 -- -- 0.198 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.78
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 21.6
p_staggered_tor 21.3
p_planar_tor 3.1
p_xyhbond_nbd 0.27
p_multtor_nbd 0.271
p_bond_d 0.027
p_angle_d 0.066
p_planar_d 0.07
p_mcbond_it 1.06
p_mcangle_it 1.586
p_scbond_it 0.936
p_scangle_it 1.527
p_plane_restr 0.019
p_chiral_restr 0.24
p_singtor_nbd 0.243
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1686
Nucleic Acid Atoms 0
Heterogen Atoms 80
Solvent Atoms 74

Software

Computing
Computing Package Purpose
R-AXIS II Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement