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Figure 6
Pyroglutamic acid. Top: formation of pyroglutamic acid involves the cyclization of an N-terminal glutamine or glutamic acid. Bottom: pyroglutamic acid (PDB entry 8ojt; Davies et al., 2023BB46; CCD code PCA). The first three N-terminal residues are shown. Positive omit density is shown in green at 3σ for the modified residue. The rest of the protein chain is represented by a yellow ribbon model.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
Volume 80| Part 9| September 2024| Pages 647-660
https://doi.org/10.1107/S2059798324007794
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