X-RAY DIFFRACTION Experimental Data & Validation


Lost? View more X-Ray Crystallographic info.

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 293.0
Details 16% PEG 8000, 20% glycerol, 0.16M magnesium acetate, 0.08M sodium cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.55 α = 90
b = 129.68 β = 105.29
c = 104.35 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2011-12-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A 1.075 NSLS X29A

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 50 100.0 0.07 0.07 -- 4.2 -- 61417 0.0 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 2.69 100.0 0.872 0.872 2.0 4.2 6104

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 2.6 49.04 -- -- 53481 58023 3106 99.93 -- 0.22346 0.22152 0.26099 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 2.6 2.667 -- 227 4238 0.367 0.412 -- 99.75
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 73.321
Anisotropic B[1][1] -0.23
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.58
Anisotropic B[2][2] 2.77
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.84
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_chiral_restr 0.086
r_dihedral_angle_4_deg 20.212
r_dihedral_angle_3_deg 15.834
r_dihedral_angle_2_deg 35.105
r_dihedral_angle_1_deg 5.78
r_angle_refined_deg 1.35
r_bond_refined_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13234
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 305

Software

Computing
Computing Package Purpose
ADSC Quantum Data Collection
HKL-3000 Data Reduction (intensity integration)
HKL-3000 Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.7.0025 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
PHASER model building
ADSC version: Quantum data collection