X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Details 50 MM ACETATE AT PH 4.7 CONTAINING 0.9 M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.18 α = 90
b = 79.18 β = 90
c = 37.96 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU CU KA 1995-01-26
Diffraction Radiation
Monochromator Protocol
MIRROR-MIRROR --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
1.95 100 92.1 0.0496 -- -- -- -- 8543 -- 1.0 --
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)
1.95 2.25 86.4 0.155 -- -- -- --

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
-- 1.95 6.0 -- 1.0 -- 8168 -- 88.1 -- 0.166 0.166 -- --
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.282
x_bond_d 0.009
x_angle_deg 1.445
x_dihedral_angle_d 23.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 67

Software

Computing
Computing Package Purpose
PROCESS Data Reduction (intensity integration)
PROCESS (SCALE) Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
X-PLOR model building
PROCESS version: (SCALE) data reduction
PROCESS data collection