X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details CRYSTALS WERE GROWN BY MICRO OR MACROSEEDING IN HANGING DROPS. PROTEIN CONCENTRATION 18 MG/ML. PRECIPITANT 3.0 M K2HPO4/NAH2PO4 (PH 7.5) 0.1 M MES ( PH 6.5) 0.1 M GUHCL AT 18 DEGREES.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.02 α = 90
b = 66.52 β = 90
c = 69.84 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 108
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRRORS 1997-06-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE M18XHF -- -- --

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 20 99.5 0.11 -- -- 3.7 -- 19354 -- -- --
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)
2.0 2.05 99.0 0.39 -- 3.4 3.5 --

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
MIR 2.0 8.0 -- 0.0 -- 19029 979 99.98 -- -- 0.178 0.236 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.3
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 21.5
p_staggered_tor 18.8
p_planar_tor 3.8
p_xyhbond_nbd 0.126
p_multtor_nbd 0.253
p_bond_d 0.009
p_angle_d 0.027
p_planar_d 0.029
p_mcbond_it 1.26
p_mcangle_it 1.944
p_scbond_it 1.601
p_scangle_it 2.505
p_plane_restr 0.0215
p_chiral_restr 0.101
p_singtor_nbd 0.179
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2276
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 225

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHARP Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SHARP model building