1bw7
From Proteopedia
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'''SOLUTION STRUCTURE OF A DNA DUPLEX CONTAINING A REPLICABLE DIFLUOROTOLUENE-ADENINE PAIR''' | '''SOLUTION STRUCTURE OF A DNA DUPLEX CONTAINING A REPLICABLE DIFLUOROTOLUENE-ADENINE PAIR''' | ||
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==About this Structure== | ==About this Structure== | ||
| - | + | Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BW7 OCA]. | |
==Reference== | ==Reference== | ||
Solution structure of a DNA duplex containing a replicable difluorotoluene-adenine pair., Guckian KM, Krugh TR, Kool ET, Nat Struct Biol. 1998 Nov;5(11):954-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9808039 9808039] | Solution structure of a DNA duplex containing a replicable difluorotoluene-adenine pair., Guckian KM, Krugh TR, Kool ET, Nat Struct Biol. 1998 Nov;5(11):954-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/9808039 9808039] | ||
| - | [[Category: Protein complex]] | ||
[[Category: Guckian, K M.]] | [[Category: Guckian, K M.]] | ||
[[Category: Kool, E T.]] | [[Category: Kool, E T.]] | ||
[[Category: Krugh, T R.]] | [[Category: Krugh, T R.]] | ||
| - | [[Category: | + | [[Category: Difluorotoluene]] |
| - | [[Category: | + | [[Category: Dna]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 12:01:40 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 09:01, 2 May 2008
SOLUTION STRUCTURE OF A DNA DUPLEX CONTAINING A REPLICABLE DIFLUOROTOLUENE-ADENINE PAIR
Overview
A nonpolar aromatic nucleoside derivative based on 2,4-difluorotoluene (F), a non-hydrogen bonding shape analog of thymidine, was recently shown to be replicated against adenine with high efficiency and fidelity. This led to the suggestion that geometric matching, potentially even in the absence of hydrogen bonding between bases in a pair, may be sufficient to direct nucleotide selection during replication. We have examined the solution structure of the F-A pair in the context of a 12 base pair DNA duplex. We find that, despite the destabilization caused by this analog, the F-A pair very closely resembles that of a T x A pair in the same context. This lends support to the importance of shape matching in replication.
About this Structure
Full crystallographic information is available from OCA.
Reference
Solution structure of a DNA duplex containing a replicable difluorotoluene-adenine pair., Guckian KM, Krugh TR, Kool ET, Nat Struct Biol. 1998 Nov;5(11):954-9. PMID:9808039 Page seeded by OCA on Fri May 2 12:01:40 2008
