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Nature. 1991 Jun 20;351(6328):624-9.

Crystal structure of an N-terminal fragment of the DNA gyrase B protein.

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  • 1Department of Chemistry, York University, Heslington, UK.

Abstract

The crystal structure of an N-terminal fragment of the Escherichia coli DNA gyrase B protein, complexed with a nonhydrolysable ATP analogue, has been solved at 2.5 A resolution. It consists of two domains, both containing novel protein folds. The protein fragment forms a dimer, whose N-terminal domains are responsible for ATP binding and hydrolysis. The C-terminal domains form the sides of a 20 A hole through the protein dimer which may play a role in DNA strand passage during the supercoiling reaction.

PMID:
1646964
[PubMed - indexed for MEDLINE]
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