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Figure 2
Use of INSHYD and DELHYD to generate different protonation states of histidine. For some simple molecules PRODRG will automatically generate meaningful/standard atom names, which in this case allows the two N atoms of the imidazole ring to be addressed as ND1 and NE2.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
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