Skip to main content
. Author manuscript; available in PMC: 2010 May 6.
Published in final edited form as: J Am Chem Soc. 2009 May 6;131(17):6301–6308. doi: 10.1021/ja900094h

Figure 1.

Figure 1

Modification of tryptophan residues with metallocarbenes. a) Horse heart myoglobin was exposed to 1 and Rh2(OAc)4 for 7 h. b) A representative ESI-MS spectrum of modified myoglobin. c) No modification is observed without Rh2(OAc)4. All assigned species agree to within 0.1% of the expected mass values.