X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details DROPLET: 4 MG/ML PROTEIN, 8% PEG8000, 5% GLYCEROL, 100 MM CALCIUM ACETATE, 50 MM SODIUM-CACODYLATE PH 6.5. RESERVOIR: 12 % PEG8000, 100 MM CALCIUM ACETATE, 50 MM SODIUM CACODYLATE PH 6.5.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.81 α = 90
b = 62.53 β = 106.76
c = 78.37 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
1.71 34 93.0 0.054 0.049 -- 4.7 -- 56738 -- -- 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)
1.71 1.8 76.0 0.295 0.236 3.1 2.3 --

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
MAD 1.7 18.0 -- 0.0 -- 54650 2892 94.5 -- -- 0.188 0.223 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.4
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 3.0
p_bond_d 0.013
p_mcbond_it 1.6
p_scbond_it 2.0
p_mcangle_it 2.3
p_angle_d 0.024
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3505
Nucleic Acid Atoms 0
Heterogen Atoms 53
Solvent Atoms 583

Software

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