NDLI: Gas phase supramolecular cluster ions of deoxyguanosine induced by binding to (2,2′:6′2″-terpyridine)-platinum(II) and (diethylenetriamine)-platinum(II)

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Dalton Transactions Vol - 0 Issue - 8

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Dalton Transactions Vol - 0 Issue - 5

Gas phase supramolecular cluster ions of deoxyguanosine induced by binding to (2,2′:6′2″-terpyridine)-platinum(II) and (diethylenetriamine)-platinum(II)

Content Provider	Royal Society of Chemistry (RSC)
Author	Yuriev, Elizabeth O'Hair, Richard A. J. Khairallah, George N. Stewart, Matthew B. Xu, Yuanjin Orbell, John D.
Copyright Year	2009
Abstract	Electrospray ionization (ESI) of solutions containing deoxyguanosine (dG) and tridentate platinum chloride complexes yields clusters of general formula [PtII(L)(dG)n]2+, where L = 2,2′:6′,2″ terpyridine (terpy), or diethyltriamine (dien). When these clusters were mass selected and subjected to collision induced dissociation (CID), the primary fragmentation channels arise from loss of dG and protonated dG to yield the fragment ions [PtII(L)(dG)n−x]2+ and [PtII(L)(dG)n−x-H]+ respectively. The relative abundances of the [PtII(L)(dG)n−x]2+ fragments depend on the nature of the ligand, L. The most abundant peaks observed were: n−x = 5 for terpy and n−x = 4 for dien. In order to further understand these gas phase reactions, molecular dynamics calculations were carried out. These simulated collision calculations not only predict with fidelity the experimental profiles for the relative abundances for the [PtII(L)(dG)n−x]2+ fragments, for both terpy and dien ligand systems, but they also provide structural insights into the complex interplay of hydrogen bonding and stacking interactions within these clusters.
Starting Page	1542
Ending Page	1548
Page Count	7
File Format	HTM / HTML PDF
ISSN	14779226
Volume Number	0
Issue Number	9
Journal	Dalton Transactions
DOI	10.1039/b815094j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	ESI Electrospray ionization Deoxyguanosine Chloride Terpyridine Dissociative Criminal investigation department Ligand Molecular dynamics Interplay Entertainment Hydrogen
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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