X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.2
Details SEE REFERENCE 1, pH 8.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 90.45 α = 90
b = 151.42 β = 90
c = 127.87 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-09-22
Diffraction Radiation
Monochromator Protocol
-- --
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
2.05 50 88.2 -- 0.058 -- 3.33 -- 97572 -- 0.0 27.5
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)
2.05 2.09 69.3 -- 0.232 3.19 2.97 --

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 2.05 50.0 -- 0.0 -- 97572 1485 88.2 -- 0.205 0.205 0.259 15 SHELLS
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 2.05 2.1 -- 99 5066 0.297 0.351 -- 69.3
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.0
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.278
x_bond_d 0.007
x_angle_deg 1.802
x_dihedral_angle_d 24.72
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10560
Nucleic Acid Atoms 0
Heterogen Atoms 196
Solvent Atoms 686

Software

Computing
Computing Package Purpose
HKL (DENZO) Data Reduction (intensity integration)
HKL (SCALEPACK) Data Reduction (data scaling)
REPLACE Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
REPLACE model building