X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details PROTEIN WAS CRYSTALLIZED FROM 20% PEG MME 5K, 0.1 M MALONIC ACID, 0.1 M MES BUFFER PH 5.5, 0.02 M DTT, 0.01 M MANGANESE CHLORIDE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.9 α = 90
b = 156.97 β = 91.7
c = 65.97 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-03
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.95 29 92.0 0.054 -- -- 2.5 -- 41612 -- -- --
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)
2.95 3.03 86.4 0.099 -- 6.8 2.1 --

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
MIRAS, DENSITY MODIFICATION, MOLECULAR REPLACEMENT 2.95 27.0 -- 0.0 -- 20984 1073 90.92 -- 0.187 0.187 0.235 SHELLS
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.95 3.08 -- 143 2413 0.275 0.379 0.032 88.43
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.1
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.007
x_improper_angle_d 1.2
x_angle_deg 1.5
x_dihedral_angle_d 22.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5965
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 0

Software

Software
Software Name Purpose
SHARP phasing
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
MOSFLM data reduction
CCP4 data scaling version: (AGROVATA
SCALA data scaling
X-PLOR phasing version: 3.1