X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Temperature 289.0
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, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 125.26 α = 90
b = 125.26 β = 90
c = 73.79 γ = 120
Symmetry
Space Group P 64

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRROR 1998-09-12
Diffraction Radiation
Monochromator Protocol
YES SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.7 22 99.8 0.101 0.101 -- 15.8 -- 18413 -- 4.0 78.0
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)
2.7 2.85 99.8 1.0 0.99999 2.2 14.7 --

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 2.7 22.0 -- 0.0 -- 18413 801 98.4 -- 0.282 0.263 0.325 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 78.0
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 24.1
p_staggered_tor 17.6
p_planar_tor 1.7
p_xyhbond_nbd 0.189
p_multtor_nbd 0.252
p_bond_d 0.012
p_angle_d 0.04
p_planar_d 0.038
p_mcbond_it 1.8
p_mcangle_it 3.1
p_scbond_it 3.8
p_scangle_it 5.3
p_plane_restr 0.0025
p_chiral_restr 0.122
p_singtor_nbd 0.198
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2093
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 49

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
REFMAC model building