Skip to main content
. 2002 Oct;11(10):2427–2436. doi: 10.1110/ps.0212502

Fig. 2.

Fig. 2.

Structure of the OP-copper reagents used for protein modification: 5-iodoacetamido-1, 10-phenanthroline (IOP) and 5-iodoacetylglycylamido-1,10-phenanthroline (IAOP). Syntheses of these two compounds were described previously (Sigman et al. 1991; Shang et al. 1994).