U9O

PCM

Residue type	PCM type	Category	Position	UniProt PTM accession	Entries in PDB
GLY	None	Crosslinker	Amino-acid backbone (C-terminal)		1
CYS	None	Crosslinker	Amino-acid side chain (Any position)		1
CYS	None	Crosslinker	Amino-acid side chain (Any position)		1

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PDB entries from 2026-08-05