SY8

PCM

Residue type	PCM type	Category	Position	UniProt PTM accession	Entries in PDB
GLY	None	Crosslinker	Amino-acid backbone (C-terminal)		8
CYS	None	Crosslinker	Amino-acid side chain (Any position)		8
CYS	None	Crosslinker	Amino-acid side chain (Any position)		8

258009

PDB entries from 2026-08-12