X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Details THE PROTEIN WAS CRYSTALLIZED FROM 30-40 % PEG1000 AND 0.2-0.3 % 2-MERCAPTOETHANOL BY THE HANGING DROP VAPOR DIFFUSION METHOD., pH 7.5, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.8 α = 64.1
b = 33.3 β = 73
c = 36.5 γ = 76.1
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1991-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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 20 84.0 -- 0.047 -- 2.2 -- 7035 -- 0.0 22.0
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)
2.0 2.1 46.0 -- 0.201 2.1 1.2 --

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
DIFFERENCE FOURIER 2.0 20.0 -- 0.0 -- 7035 -- 84.0 -- -- 0.19 -- --
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.022
t_it 2.0
t_gen_planes 0.018
t_trig_c_planes 0.014
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 23.6
t_angle_deg 2.7
t_bond_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1039
Nucleic Acid Atoms 0
Heterogen Atoms 9
Solvent Atoms 67

Software

Computing
Computing Package Purpose
XUONG-HAMLIN (DETECTOR SYSTEM) Data Reduction (intensity integration)
XUONG-HAMLIN (DETECTOR SYSTEM) Data Reduction (data scaling)
TNT Structure Solution
TNT Structure Refinement
Software
Software Name Purpose
TNT refinement
TNT model building