X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details 0.1M SODIUM HYDROGEN PHOSPHATE: CITRIC ACID, PH 4.2, 40% ETHANOL, 5% PEG 1000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.17 α = 90
b = 75.17 β = 90
c = 88.97 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 MIRRORS 2011-11-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X29A -- 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
2.28 50 96.2 -- 0.108 -- 6.6 -- 13753 -- -5.0 45.27
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)
2.276 2.31 99.7 0.97 -- 2.0 6.7 --

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
MR 2.276 34.62 -- -- -- 12783 417 96.01 -- 0.21518 0.21316 0.28041 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 2.276 2.335 -- 42 931 0.264 0.411 -- 98.48
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 53.519
Anisotropic B[1][1] -0.73
Anisotropic B[1][2] -0.37
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.73
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.1
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 10.797
r_scbond_it 8.435
r_mcangle_it 6.401
r_mcbond_it 4.786
r_gen_planes_refined 0.005
r_chiral_restr 0.067
r_dihedral_angle_4_deg 19.843
r_dihedral_angle_3_deg 16.025
r_dihedral_angle_2_deg 35.1
r_dihedral_angle_1_deg 5.426
r_angle_refined_deg 1.057
r_bond_refined_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2172
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 59

Software

Computing
Computing Package Purpose
HKL-3000 Data Reduction (intensity integration)
HKL-3000 Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.5.0109 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.5.0109 refinement
PHASER model building