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Figure 3
The occurrence of PEG 3350 and PEG 4000 in comparison to ammonium sulfate as found in PDB-BLAST-reduced, showing that the latter has recently been overtaken by PEG 3350 as the most prevalent chemical in crystallization trials. Normalization was performed by dividing the count of each chemical by the number of PDB entries for each five-year interval.

ISSN: 2053-230X
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