X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 25% (W/V) PEG 4000, 0.1 M TRIS-HCL BUFFER PH 8.5, 0.2 M MGCL2 AND A TRACE AMOUNT OF A DETERGENT, C12-DAO.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.09 α = 90
b = 169.98 β = 92.8
c = 72.62 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
CCD ADSC TOROIDAL MIRROR 1999-05-15
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL SI 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.8 32 95.4 0.072 -- -- 2.5 -- 135264 -- -- --
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)
1.8 1.9 96.0 0.412 -- 1.7 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
MOLECULAR REPLACEMENT 1.8 25.0 -- 0.0 135233 -- 6552 95.4 -- 0.1671 -- 0.2231 RANDOM SAMPLE
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.03
s_similar_adp_cmpnt 0.04
s_anti_bump_dis_restr 0.059
s_non_zero_chiral_vol 0.041
s_zero_chiral_vol 0.035
s_from_restr_planes 0.337
s_similar_dist 0.051
s_angle_d 0.022
s_bond_d 0.021
Coordinate Error
Parameter Value
Number Disordered Residues 6.0
Occupancy Sum Hydrogen 11896.0
Occupancy Sum Non Hydrogen 13663.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 12352
Nucleic Acid Atoms 0
Heterogen Atoms 74
Solvent Atoms 1399

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
AMORE model building