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. Author manuscript; available in PMC: 2010 Jan 15.
Published in final edited form as: Free Radic Biol Med. 2008 Nov 1;46(2):192–201. doi: 10.1016/j.freeradbiomed.2008.09.042

Table 1.

The SOD-like (kcat for O2•− dismutation),, peroxynitrite and carbonate radical scavenging (kred for the reduction of ONOO− and CO3•−) properties of Mn(III) porphyrins and Cu, Zn-SOD.

Compound log kcat (O2•−) log kred (ONOO−) log kred (CO3•−)
MnTE-2-PyP 7.76a 7.53f (> 7)g,h 8.5f (9.3)f,g
Pure MnTBAP <3.50b (3.16)c,d 5.02d ~9.1j
Commercial MnTBAP 5.16b 4.96d 9.1f
Cu, Zn-SOD ca 9e 3.97i –
a

Ref. [4].

b

Ref. [18].

c

This work.

d

Calculated using the log kcat (O2•−) vs. log kred (ONOO−) relationship given in Fig. 2.

e

Ref. [33–35].

f

Ref. [27].

g

Value for the corresponding Mn(II) species.

h

Ref. [55].

i

Ref. [58].

j

The estimated value is based on the similar reactivity of pure and commercial MnTBAP with ONOO−.