X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.75
Temperature 277.0
Details PROTEIN WAS CRYSTALLIZED FROM 26% PEG 4000. BUFFER WAS 40MM NA CACODYLATE, PH 5.75, WITH 20MM NA BICARBONATE. CRYSTALS GROWN AT 4 DEGREES C USING THE HANGING DROP METHOD., vapor diffusion - hanging drop, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.12 α = 90
b = 57.91 β = 90
c = 135.64 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1990-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
1.6 30 82.4 0.061 -- -- 1.8 -- 39418 -- 3.0 35.0

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 1.6 30.0 -- 0.0 38344 38344 -- 80.1 -- -- 0.181 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model BCORREL (MODIFIED)
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.118
t_it 1.89
t_gen_planes 0.016
t_trig_c_planes 0.013
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 20.7
t_angle_deg 1.35
t_bond_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2551
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 138

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
R-AXIS Data Reduction (data scaling)
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
TNT version: 5E refinement
R-AXIS version: SOFTWARE data reduction
R-AXIS version: SOFTWARE data collection