1d8v

THE RESTRAINED AND MINIMIZED AVERAGE NMR STRUCTURE OF MAP30.

spinqualitylabelsall models 1d8v, 1 NMR models Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1d8v is a 1 chain structure with sequence from Momordica charantia. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, RCSB, PDBsum 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 We present the solution structure of MAP30, a plant protein with anti-HIV and anti-tumor activities. Structural analysis and subsequent biochemical assays lead to several novel discoveries. First, MAP30 acts like a DNA glycosylase/apurinic (ap) lyase, an additional activity distinct from its known RNA N-glycosidase activity toward the 28S rRNA. Glycosylase/ap lyase activity explains MAP30's apparent inhibition of the HIV-1 integrase, MAP30's ability to irreversibly relax supercoiled DNA, and may be an alternative cytotoxic pathway that contributes to MAP30's anti-HIV/anti-tumor activities. Second, two distinct, but contiguous, subsites are responsible for MAP30's glycosylase/ap lyase activity. Third, Mn2+ and Zn2+ interact with negatively charged surfaces next to the catalytic sites, facilitating DNA substrate binding instead of directly participating in catalysis. Solution structure of anti-HIV-1 and anti-tumor protein MAP30: structural insights into its multiple functions.,Wang YX, Neamati N, Jacob J, Palmer I, Stahl SJ, Kaufman JD, Huang PL, Huang PL, Winslow HE, Pommier Y, Wingfield PT, Lee-Huang S, Bax A, Torchia DA Cell. 1999 Nov 12;99(4):433-42. PMID:10571185 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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