5ml0 | pdb_00005ml0

Bromodomain of Mouse PCAF with (R)-4-chloro-2-methyl-5-((1-methylpiperidin-3-yl)amino)pyridazin-3(2H)-one

spinqualitylabelsall models 5ml0, resolution 1.64Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5ml0 is a 1 chain structure with sequence from Lk3 transgenic mice. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: EDO, P2L Gene: Kat2b, Pcaf (LK3 transgenic mice) Activity: Histone acetyltransferase, with EC number 2.3.1.48 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [KAT2B_MOUSE] Functions as a histone acetyltransferase (HAT) to promote transcriptional activation. Has significant histone acetyltransferase activity with core histones (H3 and H4), and also with nucleosome core particles. Also acetylates non-histone proteins, such as ACLY. Acts as a circadian transcriptional coactivator which enhances the activity of the circadian transcriptional activators: NPAS2-ARNTL/BMAL1 and CLOCK-ARNTL/BMAL1 heterodimers (By similarity). Publication Abstract from PubMed p300/CREB binding protein associated factor (PCAF/KAT2B) and general control nonderepressible 5 (GCN5/KAT2A) are multidomain proteins that have been implicated in retroviral infection, inflammation pathways, and cancer development. However, outside of viral replication, little is known about the dependence of these effects on the C-terminal bromodomain. Herein, we report GSK4027 as a chemical probe for the PCAF/GCN5 bromodomain, together with GSK4028 as an enantiomeric negative control. The probe was optimized from a weakly potent, nonselective pyridazinone hit to deliver high potency for the PCAF/GCN5 bromodomain, high solubility, cellular target engagement, and >/=18000-fold selectivity over the BET family, together with >/=70-fold selectivity over the wider bromodomain families. Discovery of a Potent, Cell Penetrant, and Selective p300/CBP-Associated Factor (PCAF)/General Control Nonderepressible 5 (GCN5) Bromodomain Chemical Probe.,Humphreys PG, Bamborough P, Chung CW, Craggs PD, Gordon L, Grandi P, Hayhow TG, Hussain J, Jones KL, Lindon M, Michon AM, Renaux JF, Suckling CJ, Tough DF, Prinjha RK J Med Chem. 2017 Jan 26;60(2):695-709. doi: 10.1021/acs.jmedchem.6b01566. Epub, 2017 Jan 9. PMID:28002667 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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