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Figure 4
Comparison of the concentration ranges found in 88 commercial screens compared with the PDB for three common PEGs. The PEG concentrations have been grouped into 5% ranges and each bin is described by the upper value of the concentration range, thus the bin `0–5%' is labeled `5%' on the graph. The `relative frequency' is the count of the number of occurrences of a PEG at a given concentration divided by the total number of conditions containing that PEG. The screens include those from Emerald BioSystems, Hampton Research, Jena BioSciences, Molecular Dimensions and Nextal. The number of times each PEG is found is given in parentheses.

Journal logoBIOLOGICAL
ISSN: 1399-0047
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