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_planar_tor 3.8
p_mcbond_it 1.26
p_scbond_it 1.601
p_angle_d 0.027
p_transverse_tor 21.5
p_bond_d 0.009
p_multtor_nbd 0.253
p_staggered_tor 18.8
p_chiral_restr 0.101
p_mcangle_it 1.944
p_planar_d 0.029
p_scangle_it 2.505
p_xyhbond_nbd 0.126
p_plane_restr 0.0215
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

Software
Software Name Purpose
SHARP phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling