5emx | pdb_00005emx

Crystal structure of the S. cerevisiae Rtf1 histone modification domain mutant R124A R126A R128A

spinqualitylabelsall models 5emx, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5emx is a 2 chain structure with sequence from Saccharomyces cerevisiae S288C. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.399Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RTF1_YEAST The PAF1 complex is a multifunctional complex. Involved in transcription initiation via genetic interactions with TATA-binding proteins. Involved in elongation. It regulates 3'-end formation of snR47 by modulating the recruitment or stable association of NRD1 and NAB3 with RNA polymerase II. Also has a role in transcription-coupled histone modification. Required for activation of RAD6 ubiquitin conjugate and the BRE1 ubiquitin ligase which ubiquitinate 'Lys-126' histone H2B. Activates the SET1 histone methyltransferase complex for methylation of 'Lys-4' of histone H3 and for methylation of 'Lys-73' of histone H3 by DOT1 and 'Lys-36' of histone H3 by SET2. Important for TATA site selection by TBP. Directly or indirectly regulates the DNA-binding properties of SPT15, the TATA box-binding protein, and the relative activities of different TATA elements.

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