X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN AT 10MG/ML WELL BUFFER CONTAINING 17.5% PEG3350, 200MM HEPES, PH7.0, 100MM AMMONIUM ACETATE, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.34 α = 90
b = 72.93 β = 90
c = 73.84 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
IMAGE PLATE MARRESEARCH -- 1997-12-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.31 51.99 90.6 0.078 -- -- 2.5 -- 11954 -- -- 24.2
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)
2.31 2.44 84.8 0.233 -- 5.3 2.5 --

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 2.31 51.99 -- -- -- 11329 596 89.4 -- 0.211 0.208 0.269 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 2.31 2.37 -- 32 701 0.275 0.356 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.83
Anisotropic B[1][1] 0.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.58
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.37
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.174
r_scbond_it 1.985
r_mcangle_it 1.26
r_mcbond_it 0.675
r_nbd_refined 0.235
r_gen_planes_refined 0.005
r_chiral_restr 0.089
r_dihedral_angle_1_deg 5.557
r_angle_refined_deg 1.497
r_bond_refined_d 0.014
r_xyhbond_nbd_refined 0.155
r_symmetry_vdw_refined 0.218
r_symmetry_hbond_refined 0.142
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2170
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 108

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.1.17 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.17 refinement
AMORE model building