2ezh | pdb_00002ezh
From Proteopedia
SOLUTION NMR STRUCTURE OF THE IGAMMA SUBDOMAIN OF THE MU END DNA BINDING DOMAIN OF MU PHAGE TRANSPOSASE, MINIMIZED AVERAGE STRUCTURE
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Structural highlights
Function[TRA_BPMU] This transposase is essential for integration, replication-transposition, and excision of Mu DNA. Evolutionary Conservation![]() Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedThe MuA transposase of phase Mu is a large modular protein that plays a central role in transposition. We show that the Mu end DNA-binding domain, I beta gamma, which is responsible for binding the DNA attachment sites at each end of the Mu genome, comprises two subdomains, I beta and I gamma, that are structurally autonomous and do not interact with each other in the absence of DNA. The solution structure of the I gamma subdomain has been determined by multidimensional NMR spectroscopy. The structure of I gamma comprises a four helix bundle and, despite the absence of any significant sequence identity, the topology of the first three helices is very similar to that of the homeodomain family of helix-turn-helix DNA-binding proteins. The helix-turn-helix motif of I gamma, however, differs from that of the homeodomains in so far as the loop is longer and the second helix is shorter, reminiscent of that in the POU-specific domain. Solution structure of the I gamma subdomain of the Mu end DNA-binding domain of phage Mu transposase.,Clubb RT, Schumacher S, Mizuuchi K, Gronenborn AM, Clore GM J Mol Biol. 1997 Oct 17;273(1):19-25. PMID:9367742[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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