X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4
Temperature 292.0
Details 5% (w/v) PEG 6000, 0.1 M Na-citrate pH 4.0; protein incubated with 10 mM dTTP, pH 4.00, VAPOR DIFFUSION, SITTING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.02 α = 90
b = 134.36 β = 98.22
c = 140.9 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGEPLATE RIGAKU RAXIS -- 2000-07-31
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- RIGAKU -- -- --

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
2.6 50 91.5 0.07 -- -- 4.1 -- 7557 -- 0.0 42.9
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)
2.6 2.74 60.1 0.154 -- 4.6 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
-- 2.6 100.0 -- 0.0 -- 71748 3797 91.4 -- 0.217 0.215 0.242 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.16
Anisotropic B[1][1] -1.3
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.08
Anisotropic B[2][2] -0.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.36
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.028
p_mcbond_it 0.764
p_mcangle_it 1.589
p_scbond_it 3.013
p_scangle_it 4.963
p_plane_restr 0.009
p_chiral_restr 0.12
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 18280
Nucleic Acid Atoms 0
Heterogen Atoms 464
Solvent Atoms 0

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC5 refinement
MOLREP model building