X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details NATIVE CRYSTALS WERE GROWN FROM 50MM NAH2PO4, 100MM NACL, 1MM NAN3 AT PH 6.5; MERCURY DERIVATIVE CRYSTAL WAS PREPARED BY SOAKING THE NATIVE CRYSTAL IN 2MM CH3HGCL WITH 10% PEG 6000 AT PH 8.0; PLATINUM DERIVATIVE CRYSTAL WAS PREPARED BY SOAKING THE NATIVE CRYSTAL IN 4MM PT(NH3)2CL2 WITH 10% PEG 6000 AT PH 6.5.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.65 α = 90
b = 38.65 β = 90
c = 82.93 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC MIRRORS 1996-01
Diffraction Radiation
Monochromator Protocol
-- --
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
1.9 20 98.2 -- 0.065 -- 3.8 -- 5318 -- 2.0 --
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)
1.9 1.94 90.7 -- 0.217 4.9 3.0 --

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
MIRAS 1.9 20.0 -- 2.0 -- 5104 494 95.0 -- -- 0.182 0.229 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 558
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 34

Software

Software
Software Name Purpose
PHASES phasing
SOLOMON phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling