1bb8

N-TERMINAL DNA BINDING DOMAIN FROM TN916 INTEGRASE, NMR, 25 STRUCTURESN-TERMINAL DNA BINDING DOMAIN FROM TN916 INTEGRASE, NMR, 25 STRUCTURES

Structural highlights 1bb8 is a 1 chain structure with sequence from Enterococcus faecalis. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Solution NMR Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function TNR6_ENTFL 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 PubMed The integrase family of site-specific recombinases catalyze a diverse array of DNA rearrangements in archaebacteria, eubacteria and yeast. The solution structure of the DNA binding domain of the integrase protein from the conjugative transposon Tn916 has been determined using NMR spectroscopy. The structure provides the first insights into distal site DNA binding by a site-specific integrase and reveals that the N-terminal domain is structurally similar to the double stranded RNA binding domain (dsRBD). The results of chemical shift mapping experiments suggest that the integrase protein interacts with DNA using residues located on the face of its three stranded beta-sheet. This surface differs from the proposed RNA binding surface in dsRBDs, suggesting that different surfaces on the same protein fold can be used to bind DNA and RNA. Site-specific DNA binding using a variation of the double stranded RNA binding motif.,Connolly KM, Wojciak JM, Clubb RT Nat Struct Biol. 1998 Jul;5(7):546-50. PMID:9665166 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Integrase Retroviral integrase 3D structures

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