X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.85
Details 100 MM ACETIC ACID/NAOH 4.5 20% PEG 6000 1 MM DTT, EDTA, 1 MM AZIDE, 5% ETHYLENE GLYCOL, 10 MM 2-PHOSPHOGLYCOLIC ACID. CRYSTAL WAS MOVED INTO 100 MM CITRATE PH 5.85 20 % PEG 6000, 1 MM DTT, 1 MM EDTA, 1 MM AZIDE BEFORE DATA COLLECTION.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.09 α = 90
b = 52.94 β = 118.13
c = 58.85 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR ENRAF-NONIUS FAST -- 1996-02-22
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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 22 89.2 0.048 -- -- 5.5 -- 22669 -- -- --
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 1.83 84.3 0.116 -- 6.0 -- --

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
MOLECULAR REPLACEMENT 1.83 22.0 -- 0.0 -- 21346 -- 88.0 -- -- 0.107 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL V1.0
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.015
t_bond_d 0.016
t_incorr_chiral_ct 0.0
t_angle_deg 2.808
t_it 6.075
t_gen_planes 0.016
t_dihedral_angle_d 17.552
t_trig_c_planes 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1906
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 112

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
TNT V. 5-D Structure Refinement
Software
Software Name Purpose
AMORE model building
TNT version: 5D refinement