X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details 50 MM NA ACETATE, PH 4.6, 100 MM (NH4)2SO4, 16 % PEG 4,000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.84 α = 90
b = 67.23 β = 90
c = 183.49 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 280
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-06
Diffraction Radiation
Monochromator Protocol
NI FILTER --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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 19.92 93.2 0.099 0.112 -- 4.5 -- 16392 -- -- --
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 2.67 81.6 0.121 0.148 2.65 1.9 --

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 10.0 -- -- -- 14627 -- 93.2 -- 0.184 0.184 0.275 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.2
x_bond_d 0.008
x_angle_deg 1.49
x_dihedral_angle_d 25.92
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3559
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 171

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (AGROVATA, ROTAVATA) Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.842 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.842 refinement
AMORE model building
AGROVATA data reduction
ROTAVATA data reduction
MOSFLM data collection