X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details PROTEIN WAS CRYSTALLIZED FROM 100MM TRIS BUFFER, PH 8.5, 200MM SODIUM ACETATE, 21% PEG 4000, AND 4MM 1-AMINOETHYL PHOSPHONIC ACID.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.23 α = 90
b = 87.69 β = 90
c = 85.31 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS MIRROR 1996-10-30
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
1.6 25 96.7 0.078 0.078 -- 5.2 -- 97731 -- 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)
1.6 1.66 93.7 -- -- 0.8 2.2 --

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 1.6 10.0 -- 0.0 -- 82763 2505 85.0 -- 0.24 0.24 0.266 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.24
x_bond_d 0.01
x_dihedral_angle_d 26.3
x_improper_angle_d 0.752
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6043
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 387

Software

Software
Software Name Purpose
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.851