Karst Hoogsteen
| Karst Hoogsteen | |
|---|---|
| Born | 1 October 1923 Groningen |
| Died | 10 August 2015 (aged 91) Westfield, New Jersey |
| Nationality | Dutch, American |
| Alma mater | University of Groningen |
| Known for | Hoogsteen base pairs |
| Scientific career | |
| Fields | |
| Institutions | California Institute of Technology, Merck, Sharp and Dohme |
| Thesis | The crystal structure of trismethylsulfonylmethane-NH4 (May 1957 ) |
| Doctoral advisor | Pieter Terpstra |
Karst Hoogsteen (October 1, 1923 – August 10, 2015) was a Dutch-born American biochemist famous for noting a new base pairing form in DNA, now called Hoogsteen base pairs. These base pairing intercede in the Watson-Crick base pairing, forging a base pair 'triplex'. The Base Pairs use the N7 nitrogen atom as the accepter rather than the N1 as observed in Watson-Crick base pairing. This leads to a twisted, non-linear arrangement.
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