. Author manuscript; available in PMC: 2013 Jan 3.

Published in final edited form as: Mar Environ Res. 2000 Jul-Dec;50(1-5):89–92. doi: 10.1016/s0141-1136(00)00099-4

Table 1.

Log formation constants for M²⁺-finger complexes at pH 7.4 and 25°CF3 of TFIIIA and other finger peptides^a

	F3	Sp1 (F3)	CP1
Co²⁺	5.1	6.5	7.2
Zn²⁺	7.4	9.2	11.2
Cd²⁺	8.3		8.7
Pb²⁺	8.7

Abbreviations and references: Sp1 (F3), finger 3 of Sp1 transcription factor (Posewitz & Wilcox, 1995), CP1, consensus peptide derived from available sequences of N₂S₂ domains (Krizek, Merkle & Berg, 1993).