2kpp

Solution NMR structure of Lin0431 protein from Listeria innocua. Northeast Structural Genomics Consortium Target LkR112Solution NMR structure of Lin0431 protein from Listeria innocua. Northeast Structural Genomics Consortium Target LkR112

Structural highlights 2kpp is a 1 chain structure with sequence from Listeria innocua. 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 Q92EM7_LISIN 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 Lin0431 protein from Listeria innocua (UniProtKB/TrEMBL ID Q92EM7/Q92EM7_LISIN) was selected as a target of the Northeast Structural Genomics Consortium (target ID: LkR112). Here, we present the high-quality NMR solution structure of this protein which is the first representative for a member of DUF1312 domain family. Lin0431 protein exhibits a beta-sandwich topology. Four anti-parallel beta-strands form one face of the sandwich and the other three anti-parallel beta-strands together with a short alpha-helix form the other face of the sandwich. Structure alignment by Dali reveals an unexpected structural similarity with domain II of NusG from Aquifex aeolicus. Analyses of the electrostatic protein surface potential and searches for protein surface cavities reveal the conserved basic charged surface cavities of both the Lin0431 and domain II of AaeNusG, suggesting they may bind the negatively charged nucleic acids and/or and other binding partners. The high structural similarity and similar surface features, despite the lack of recognizable sequence similarity, between Lin0431 and AaeNusG domain II suggest that the domain II of NusG and DUF1312 domains have a homologous relationship and may share similar biochemical functions. Solution NMR structure of Lin0431 protein from Listeria innocua reveals high structural similarity with domain II of bacterial transcription antitermination protein NusG.,Tang Y, Xiao R, Ciccosanti C, Janjua H, Lee DY, Everett JK, Swapna GV, Acton TB, Rost B, Montelione GT Proteins. 2010 Aug 15;78(11):2563-8. doi: 10.1002/prot.22760. PMID:20602357 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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