X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details REMARK 280 CRYSTALLIZATION CONDITIONS: REMARK 280 HANGING DROP, 20MG/ML PROTEIN REMARK 280 50 MM NA ACETATE, PH 5.0, 15MM CACL2, REMARK 280 1MM UO2 ACETATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99 α = 90
b = 99 β = 90
c = 136.1 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI MIRRORS 1997-01
Diffraction Radiation
Monochromator Protocol
SI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
3.4 20 98.6 0.93 0.93 -- 4.0 -- 9451 -- 0.0 --
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)
3.4 3.5 97.7 0.322 0.322 3.12 3.0 --

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 3.4 6.0 -- 2.0 -- 4581 -- 97.4 -- -- 0.212 0.321 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.4 3.55 -- -- -- -- -- -- 97.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.2
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.9
x_bond_d 0.013
x_angle_deg 2.0
x_dihedral_angle_d 27.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1538
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
AMORE model building