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Figure 6
The distribution of the difference between the pH at which a structure was obtained and the isoelectric point of 23 949 proteins in the PDB-pH-pI data set. The distributions are shown separately for proteins with a pI lower than 7 (acidic) and those with a pI greater than 7 (basic). Those with a pH of precisely 7 (of which there were four) were grouped with the basic proteins.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 71| Part 10| September 2015| Pages 1228-1234
doi:10.1107/S2053230X15014892
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