X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Streak Seeded
pH 7
Details CRYSTALLISED FROM 10% PEG 8000, 50MM MOPS, PH 7.2, STREAK SEEDED SOAKED IN 10MM P-NITROPHENYLACETIC ACID, pH 7.0, streak seeded

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.12 α = 100.2
b = 65.08 β = 111.44
c = 76.3 γ = 105.81
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 300
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X31 -- EMBL/DESY, Hamburg X31

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
2.36 26.12 97.5 0.0075 -- -- 2.1 -- 34348 -- -- 18.25
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)
2.35 2.47 93.4 0.195 -- 3.8 2.0 --

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
ISOMORPHOUS TO NATIVE 2.36 26.12 -- -- -- 34348 2404 97.5 -- -- 0.1525 0.2184 BASED ON NATIVE
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.56
RMS Deviations
Key Refinement Restraint Deviation
p_mcangle_it 4.317
p_scbond_it 7.358
p_xyhbond_nbd 0.148
p_chiral_restr 0.144
p_mcbond_it 3.253
p_staggered_tor 19.1
p_bond_d 0.015
p_angle_d 0.04
p_planar_d 0.044
p_scangle_it 9.343
p_special_tor 0.0
p_multtor_nbd 0.323
p_singtor_nbd 0.184
p_planar_tor 5.0
p_transverse_tor 26.9
p_plane_restr 0.0259
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6071
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 669

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
CCP4 data scaling version: (AGROVATA
ROTAVATA) data scaling