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Proceedings of the National Academy of Sciences of the United States of America logoLink to Proceedings of the National Academy of Sciences of the United States of America
. 1975 Dec;72(12):4825–4829. doi: 10.1073/pnas.72.12.4825

X-ray fiber diffraction evidence for neighbor exclusion binding of a platinum metallointercalation reagent to DNA.

P J Bond, R Langridge, K W Jennette, S J Lippard
PMCID: PMC388824  PMID: 1061071

Abstract

Good quality x-ray diffraction patterns have been obtained of polycrystalline fibers containing 2-hydroxyethanethiolato(2,2'2"-terpyridine)platinum(II) bound to calf thymus DNA by intercalation. The photographs strongly support the neighbor exclusion binding model in which electron-dense platinum atoms are regularly distributed at 10.2 A intervals, every other interbase pair site.

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Selected References

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