X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 20% PEG 4000, 10% ISOPROPANOL, 100MM NA CITRATE PH 6.0, 10MM DTT, 6MG/ML PROTEIN

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.86 α = 99.4
b = 40.87 β = 95.29
c = 42.47 γ = 113.69
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 180 mm plate -- 1997-09
Diffraction Radiation
Monochromator Protocol
SI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R -- ELETTRA 5.2R

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
1.9 15.55 97.0 0.088 0.088 -- 2.8 -- 51805 -- 6.0 22.0
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)
1.9 2.0 97.0 0.235 0.235 5.3 2.6 --

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
MIR 1.9 15.55 -- 0.0 -- 18198 1444 97.0 -- 0.172 0.163 0.221 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.0
Anisotropic B[1][1] 1.41
Anisotropic B[1][2] 0.14
Anisotropic B[1][3] 0.04
Anisotropic B[2][2] -0.6
Anisotropic B[2][3] 0.13
Anisotropic B[3][3] -0.4
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.013
p_mcbond_it 2.5
p_scangle_it 6.0
p_plane_restr 0.01
p_scbond_it 4.4
p_planar_tor 4.4
p_chiral_restr 0.123
p_xyhbond_nbd 0.109
p_staggered_tor 13.0
p_planar_d 0.034
p_angle_d 0.032
p_mcangle_it 3.2
p_singtor_nbd 0.18
p_xhyhbond_nbd 0.3
p_transverse_tor 21.0
p_multtor_nbd 0.245
p_special_tor 15.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1875
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 302

Software

Software
Software Name Purpose
SHARP phasing version: SOLOMON
REFMAC refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
SOLOMON phasing