X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.6
Details PROTEIN 20MG/ML IN 100MM PIPES-NAOH PH6.6, 40MM MGSO4, 0.04% NA AZIDE, 10% GLYCEROL, 0.002% PMSF. DROPS EQUAL VOLUME OF PROTEIN AND 10MM AMP-PNP, 300MM NACL, 16% PEG 4000, 5MM SPERMIDINE. BATCH METHOD., pH 6.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 272.3 α = 90
b = 107.2 β = 90
c = 152.4 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1999-02-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.8 39.5 94.8 0.061 -- -- 3.03 -- 109367 -- 0.0 82.1
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)
2.61 2.75 99.1 0.202 -- 7.1 2.6 --

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
MIR 2.8 39.5 -- 0.0 -- 109367 5507 99.4 -- 0.232 0.232 0.28 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 2.8 2.82 -- 101 1944 0.44 0.524 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Anisotropic B[1][1] 9.45
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.55
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -14.0
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 5.8
c_scbond_it 4.2
c_mcangle_it 3.0
c_mcbond_it 1.8
c_bond_d 0.008
c_angle_deg 1.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 22699
Nucleic Acid Atoms 0
Heterogen Atoms 160
Solvent Atoms 0

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
AMORE model building