N(5)-[4-(S-L-cysteinyl residue)-5-methyl-1H-imidazol-2-yl]-L-ornithine residue
n(5)-[4-(s-l-cysteinyl residue)-5-methyl-1h-imidazol-2-yl]-l-ornithine residue
methylimidazole crosslink between an <small>L</small>-cysteine residue and an <small>L</small>-arginine residue (PMID:30323285: Fig 4g and extended data Fig 8).