3dw5

Crystal Structure of the Sarcin/Ricin Domain from E. COLI 23S rRNA, U2656-OCH3 modified

spinqualitylabelsall models 3dw5, resolution 0.96Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3dw5 is a 1 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. NonStd Res: OMU Related: 1q9a, 3dvz, 3dw4, 3dw6, 3dw7, 483d Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed Site-specific 2'-methylseleno RNA labeling is a promising tool for tackling the phase problem in RNA crystallography. We have developed an efficient strategy for crystallization and structure determination of RNA and RNA/protein complexes based on preliminary crystallization screening of 2'-OCH(3)-modified RNA sequences, prior to the replacement of 2'-OCH(3) groups with their 2'-SeCH(3) counterparts. The method exploits the similar crystallization properties of 2'-OCH(3)- and 2'-SeCH(3)-modified RNAs and has been successfully validated for two test cases. In addition, our data show that 2'-SeCH(3)-modified RNA have an increased resistance to X-ray radiolysis in comparison with commonly used 5-halogen-modified RNA, which permits collection of experimental electron density maps of remarkable quality. A fast selenium derivatization strategy for crystallization and phasing of RNA structures.,Olieric V, Rieder U, Lang K, Serganov A, Schulze-Briese C, Micura R, Dumas P, Ennifar E RNA. 2009 Apr;15(4):707-15. Epub 2009 Feb 18. PMID:19228585 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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