p(HGNC:EP300)
The acetyl-mimicking mutant K174Q slows tau turnover and induces cognitive deficits in vivo. Acetyltransferase p300-induced tau acetylation is inhibited by salsalate and salicylate, which enhance tau turnover and reduce tau levels. In the PS19 transgenic mouse model of FTD, administration of salsalate after disease onset inhibited p300 activity, lowered levels of total tau and tau acetylated at K174, rescued tau-induced memory deficits and prevented hippocampal atrophy. PubMed:26390242
Next, we treated primary neurons with C646, a pyrazolone-containing small-molecule inhibitor of p300 with a Ki of 400 nM (Bowers et al., 2010). Under cell-free conditions, C646 at 10 μM inhibits p300 in a highly selective manner (86% inhibition vs. <10% for the six other acetyltransferases) (Bowers et al., 2010). Inhibition of p300 with C646 (20 μM) drastically reduced levels of ac-tau in primary neurons within 8 h. PubMed:20869593
Taking data from three independent experiments, the apparent Km of the p300 AT domain for histone H4 was determined to be 2.7 µM. PubMed:11691934
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Incubation with p300, not pCAF, led to tau acetylation, while both p300 and pCAF were active in transferring acetyl groups to histones as expected (Figure 1A). A few putative acetylated lysines were in the N- and C- terminal regions; 13 were in microtubule-binding domains (Figure 1B and Table-S1). Putative acetylated N-terminal lysines (e.g., lysines 163, 174, and 180) appeared to be acetylated in all MS analyses. Those in the microtubule-binding domains appeared to be acetylated in a subset of MS analyses, suggesting variable acetylation at these sites in vitro. PubMed:20869593
Tau can be acetylated by the P300 acetyltransferase or by CREB-binding protein at several Lys residues in the flanking region or the repeat domain, and deacetylated at these sites by sirtuin 1 (SIRT1) and histone deacetylase 6 (HDAC6), respectively PubMed:26631930
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If you find BEL Commons useful in your work, please consider citing: Hoyt, C. T., Domingo-Fernández, D., & Hofmann-Apitius, M. (2018). BEL Commons: an environment for exploration and analysis of networks encoded in Biological Expression Language. Database, 2018(3), 1–11.