X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 18% (W/V) PEG 8000, 200MM ZN ACETATE AND 100MM NA CACODYLATE, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.9 α = 90
b = 89.9 β = 90
c = 59.9 γ = 90
Symmetry
Space Group P 4 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC MSC DOUBLE FOCUSING MIRRORS 1996-02
Diffraction Radiation
Monochromator Protocol
NI FILTER --
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
2.1 20 99.8 -- 0.074 -- 8.8 -- 14834 -- 3.0 --
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)
2.1 2.17 99.5 -- 0.243 3.1 8.9 --

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 2.1 10.0 -- 0.0 14473 13749 724 98.42 -- -- 0.187 0.271 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.89
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 22.008
p_staggered_tor 14.647
p_planar_tor 3.879
p_xyhbond_nbd 0.175
p_multtor_nbd 0.193
p_bond_d 0.011
p_angle_d 0.037
p_planar_d 0.039
p_hb_or_metal_coord 0.0
p_mcbond_it 1.562
p_mcangle_it 2.435
p_scbond_it 5.789
p_scangle_it 7.872
p_plane_restr 0.012
p_chiral_restr 0.109
p_singtor_nbd 0.174
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1794
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 182

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (ROTAVATA) Data Reduction (data scaling)
AMORE Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
AMORE model building
ROTAVATA data reduction
MOSFLM data collection