X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details PROTEIN WAS CRYSTALLIZED FROM 30% PEG 4000, 10% GLYCEROL, 100 MM TRIS, PH 7.4, 100MM MGCL2, 20 MG/ML PROTEIN

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.18 α = 90
b = 78.34 β = 90
c = 60.6 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 123
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH TOROIDAL MIRROR 1997-03
Diffraction Radiation
Monochromator Protocol
SI(111) --
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
1.75 11 99.9 -- 0.044 -- 5.0 -- 21775 -- -- 19.2
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)
1.75 1.81 99.1 -- 0.204 7.74 4.5 --

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
MAD 1.85 11.0 -- 0.0 18431 18431 1911 99.9 -- 0.193 0.195 0.253 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.6
RMS Deviations
Key Refinement Restraint Deviation
p_angle_d 0.015
p_mcbond_it 2.08
p_scbond_it 2.943
p_chiral_restr 0.128
p_special_tor 0.0
p_scangle_it 4.112
p_xhyhbond_nbd 0.0
p_singtor_nbd 0.185
p_transverse_tor 29.4
p_staggered_tor 19.4
p_bond_d 0.012
p_multtor_nbd 0.262
p_planar_tor 4.2
p_xyhbond_nbd 0.189
p_plane_restr 0.0243
p_mcangle_it 2.814
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Resolution Cutoff (Low) 11.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1592
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 167

Software

Software
Software Name Purpose
DM model building
HEAVY model building
MLPHARE phasing
CCP4 refinement
DENZO data reduction
SCALEPACK data scaling
DM phasing
HEAVY phasing