X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details PROTEIN WAS CRYSTALLIZED FROM 25% MPD, 200 MM NACL AND 100 MM NAAC BUFFER (PH 4.6)

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.28 α = 87.69
b = 67.81 β = 84.37
c = 67.17 γ = 85.79
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-09
Diffraction Radiation
Monochromator Protocol
-- --
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
1.74 20 93.4 0.06 0.06 -- 2.6 -- 69529 -- -3.0 --
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)
1.74 1.78 83.4 0.229 0.229 2.6 1.5 --

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
SIRAS 1.74 20.0 -- 0.0 69529 69529 3495 93.4 -- -- 0.197 0.233 SHELL
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.5
RMS Deviations
Key Refinement Restraint Deviation
p_mcbond_it 2.035
p_multtor_nbd 0.248
p_xyhbond_nbd 0.167
p_planar_d 0.031
p_scbond_it 4.752
p_scangle_it 6.82
p_angle_d 0.028
p_transverse_tor 18.9
p_chiral_restr 0.141
p_planar_tor 5.1
p_staggered_tor 16.4
p_bond_d 0.013
p_singtor_nbd 0.176
p_plane_restr 0.031
p_mcangle_it 2.773
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.08
Luzzati Resolution Cutoff (Low) 8.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4360
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 434

Software

Software
Software Name Purpose
SHARP phasing
CCP4 refinement
DENZO data reduction
SCALEPACK data scaling