X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.4
Temperature 277.0
Details PEG 4000, Ethylene Glycol, Mangesium Acetate, pH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 172.51 α = 90
b = 172.51 β = 90
c = 121.65 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate Confocal Mirrors 2002-11-14
Diffraction Radiation
Monochromator Protocol
Confocal Mirror SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE CU K-ALPHA 1.5418 -- --

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
2.1 20 100.0 0.057 0.075 -- 4.5 81140 79802 0.0 0.0 19.1
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)
2.1 2.17 99.9 0.402 0.394 3.5 4.0 7968

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 2.1 20.0 0.0 0.0 77327 69514 7813 98.3 -- 0.212 0.209 0.235 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 2.1 2.23 11495 1288 -- 0.273 0.304 0.008 97.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Restrained
Mean Isotropic B 32.1
Anisotropic B[1][1] 1.02
Anisotropic B[1][2] 2.58
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.04
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_scbond_it 1.999
c_scangle_it 2.961
c_dihedral_angle_d 25.3
c_mcbond_it 1.441
c_improper_angle_d 0.72
c_angle_deg 1.3
c_mcangle_it 2.356
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4982
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 414

Software

Software
Software Name Purpose
MAR345 data collection
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.0