Coordination Reactions and Noncovalent Interactions of Polyamines with Nucleotides in Binary Systems and with Nucleotides and Copper(II) Ion in Ternary Systems

Figure 7

Distribution diagrams for the Cu(II)/AMP/tn-2 and Cu(II)/CMP/tn-2 systems; percentage of the species refers to total metal.

(a) Cu(II)/AMP/tn-2: (1) Cu(AMP)H₃(tn-2); (2) CuH(tn-2); (3) Cu(tn-2); (4) Cu(tn-2)₂;(5) Cu(AMP); (6) Cu(AMP)(OH); (7) Cu²⁺; C_AMP=1×10⁻³M; C_tn-2=1×10⁻³ M; C_Cu2+=2.48×10⁻⁴ M

(b) Cu(II)/CMP/tn-2: (1) Cu(CMP)H₂(tn-2); (2) CuH(tn-2); (3) Cu(tn-2); (4) Cu(tn-2)₂;(5) Cu(CMP); (6) Cu²⁺; C_CMP=1 × 10^-3 M; C_tn-2=1×10⁻³ M; C_Cu2+=2.48×10⁻⁴ M