X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Details HANGING DROP, 2.2M NACL, 0.4M NA/K PHOSPHATE, 10MM DTT 0.1M MES PH 7.1, 15% GLYCEROL, 16DEGREES, MOLAR RATIO OF PEPTIDE TO PROTEIN 3:1, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 125.68 α = 90
b = 125.68 β = 90
c = 73.16 γ = 120
Symmetry
Space Group P 64

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate MIRROR 1998-05-15
Diffraction Radiation
Monochromator Protocol
YES SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX7.2 -- SRS PX7.2

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
2.65 35 99.0 0.094 0.094 -- 9.2 -- 119506 -- 4.0 82.0
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)
2.65 2.79 97.0 0.882 0.882 2.1 8.1 --

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 2.65 35.0 -- 0.0 -- 19296 842 99.6 -- 0.272 0.25 0.296 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 60.0
Anisotropic B[1][1] 1.25
Anisotropic B[1][2] 0.63
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.25
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.111
RMS Deviations
Key Refinement Restraint Deviation
p_staggered_tor 18.6
p_scbond_it 3.4
p_planar_d 0.035
p_multtor_nbd 0.25
p_xyhbond_nbd 0.185
p_plane_restr 0.0026
p_mcbond_it 1.6
p_transverse_tor 22.5
p_bond_d 0.01
p_singtor_nbd 0.198
p_planar_tor 1.7
p_mcangle_it 2.8
p_scangle_it 4.8
p_angle_d 0.038
p_chiral_restr 0.119
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2092
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 51

Software

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