4riq

From Proteopedia

Crystal structure of DPY-30 dimerization/docking domain in complex with Ash2L Sdc1-DPY-30 Interacting region (SDI)

Structural highlights

4riq is a 24 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 2.231Å
Ligands:	SO4
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

DPY30_HUMAN As part of the MLL1/MLL complex, involved in the methylation of histone H3 at 'Lys-4', particularly trimethylation. Histone H3 'Lys-4' methylation represents a specific tag for epigenetic transcriptional activation. May play some role in histone H3 acetylation. In a teratocarcinoma cell, plays a crucial role in retinoic acid-induced differentiation along the neural lineage, regulating gene induction and H3 'Lys-4' methylation at key developmental loci. May also play an indirect or direct role in endosomal transport.^[1] ^[2] ^[3]

References

↑ Patel A, Dharmarajan V, Vought VE, Cosgrove MS. On the mechanism of multiple lysine methylation by the human mixed lineage leukemia protein-1 (MLL1) core complex. J Biol Chem. 2009 Sep 4;284(36):24242-56. Epub 2009 Jun 25. PMID:19556245 doi:M109.014498
↑ Xu Z, Gong Q, Xia B, Groves B, Zimmermann M, Mugler C, Mu D, Matsumoto B, Seaman M, Ma D. A role of histone H3 lysine 4 methyltransferase components in endosomal trafficking. J Cell Biol. 2009 Aug 10;186(3):343-53. doi: 10.1083/jcb.200902146. Epub 2009 Aug, 3. PMID:19651892 doi:http://dx.doi.org/10.1083/jcb.200902146
↑ Jiang H, Shukla A, Wang X, Chen WY, Bernstein BE, Roeder RG. Role for Dpy-30 in ES cell-fate specification by regulation of H3K4 methylation within bivalent domains. Cell. 2011 Feb 18;144(4):513-25. doi: 10.1016/j.cell.2011.01.020. PMID:21335234 doi:http://dx.doi.org/10.1016/j.cell.2011.01.020