X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN WAS CRYSTALLIZED FROM 2.0 M AMMONIUM SULFATE, 100 MM HEPES, PH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.39 α = 90
b = 99.72 β = 90
c = 120.29 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRRORS 1996-11-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE MACSCIENCE M18XHF -- -- --

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 15 99.6 0.064 -- -- 4.1 -- 26963 -- 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)
2.6 2.69 97.4 0.519 -- 3.3 3.8 --

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
MIRAS 2.6 7.0 -- 2.0 -- 26963 2693 97.0 -- -- 0.237 0.304 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 52.3
Anisotropic B[1][1] 8.122
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -13.1
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.976
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 28.1
p_staggered_tor 24.1
p_planar_tor 6.0
p_xyhbond_nbd 0.226
p_multtor_nbd 0.296
p_bond_d 0.017
p_angle_d 0.048
p_planar_d 0.051
p_mcbond_it 3.721
p_mcangle_it 5.407
p_scbond_it 7.903
p_scangle_it 9.046
p_plane_restr 0.0384
p_chiral_restr 0.149
p_singtor_nbd 0.219
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3686
Nucleic Acid Atoms 0
Heterogen Atoms 166
Solvent Atoms 48

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PROTEIN, MLPHARE, DM Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
DM model building
MLPHARE model building
PROTEIN model building
SCALEPACK data reduction
DENZO data collection