X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.4
Temperature 298.0
Details Sodium phosphate monobasic monohydrate/Potassium phosphate dibasic 2.2 - 2.6M, pH 7 - 7.4, Protein concentration 17mg/ml., VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 32.65 α = 90
b = 54 β = 90
c = 75.24 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 73
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2010-11-24
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.1 0.9774 ALS 5.0.1

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
1.4 54.1 94.5 0.084 0.079 -- 7.5 25377 25377 2.0 2.0 14.28
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)
1.4 1.48 94.5 0.75 0.649 2.1 3.6 9783

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 1.4 43.87 0.0 0.0 26948 25287 1282 93.92 -- 0.19158 0.18974 0.22728 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 1.4 1.437 -- 76 1162 0.318 0.36 -- 63.49
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.579
Anisotropic B[1][1] 0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.66
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.251
r_chiral_restr 0.083
r_dihedral_angle_1_deg 5.521
r_dihedral_angle_4_deg 21.349
r_gen_planes_refined 0.004
r_mcbond_it 1.139
r_scangle_it 5.077
r_rigid_bond_restr 1.319
r_mcangle_it 2.088
r_scbond_it 3.131
r_dihedral_angle_2_deg 32.271
r_bond_refined_d 0.0088
r_dihedral_angle_3_deg 13.399
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1022
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 145

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
MOLREP phasing
REFMAC refinement version: 5.5.0109
MOSFLM data reduction
SCALA data scaling