5fe2

Crystal structure of human PCAF bromodomain in complex with fragment BR013 (fragment 3)Crystal structure of human PCAF bromodomain in complex with fragment BR013 (fragment 3)

Structural highlights

5fe2 is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:	,
Activity:	Histone acetyltransferase, with EC number 2.3.1.48
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum

Function

[KAT2B_HUMAN] 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. Inhibits cell-cycle progression and counteracts the mitogenic activity of the adenoviral oncoprotein E1A. In case of HIV-1 infection, it is recruited by the viral protein Tat. Regulates Tat's transactivating activity and may help inducing chromatin remodeling of proviral genes.^[1] ^[2] ^[3] ^[4]

References

↑ Yang XJ, Ogryzko VV, Nishikawa J, Howard BH, Nakatani Y. A p300/CBP-associated factor that competes with the adenoviral oncoprotein E1A. Nature. 1996 Jul 25;382(6589):319-24. PMID:8684459 doi:10.1038/382319a0
↑ Zhang W, Bieker JJ. Acetylation and modulation of erythroid Kruppel-like factor (EKLF) activity by interaction with histone acetyltransferases. Proc Natl Acad Sci U S A. 1998 Aug 18;95(17):9855-60. PMID:9707565
↑ Martinez-Balbas MA, Bauer UM, Nielsen SJ, Brehm A, Kouzarides T. Regulation of E2F1 activity by acetylation. EMBO J. 2000 Feb 15;19(4):662-71. PMID:10675335 doi:10.1093/emboj/19.4.662
↑ Lin R, Tao R, Gao X, Li T, Zhou X, Guan KL, Xiong Y, Lei QY. Acetylation stabilizes ATP-citrate lyase to promote lipid biosynthesis and tumor growth. Mol Cell. 2013 Aug 22;51(4):506-18. doi: 10.1016/j.molcel.2013.07.002. Epub 2013 , Aug 8. PMID:23932781 doi:http://dx.doi.org/10.1016/j.molcel.2013.07.002

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OCA

[1] Yang XJ, Ogryzko VV, Nishikawa J, Howard BH, Nakatani Y. A p300/CBP-associated factor that competes with the adenoviral oncoprotein E1A. Nature. 1996 Jul 25;382(6589):319-24. PMID:8684459 doi:10.1038/382319a0

[2] Zhang W, Bieker JJ. Acetylation and modulation of erythroid Kruppel-like factor (EKLF) activity by interaction with histone acetyltransferases. Proc Natl Acad Sci U S A. 1998 Aug 18;95(17):9855-60. PMID:9707565

[3] Martinez-Balbas MA, Bauer UM, Nielsen SJ, Brehm A, Kouzarides T. Regulation of E2F1 activity by acetylation. EMBO J. 2000 Feb 15;19(4):662-71. PMID:10675335 doi:10.1093/emboj/19.4.662

[4] Lin R, Tao R, Gao X, Li T, Zhou X, Guan KL, Xiong Y, Lei QY. Acetylation stabilizes ATP-citrate lyase to promote lipid biosynthesis and tumor growth. Mol Cell. 2013 Aug 22;51(4):506-18. doi: 10.1016/j.molcel.2013.07.002. Epub 2013 , Aug 8. PMID:23932781 doi:http://dx.doi.org/10.1016/j.molcel.2013.07.002

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5fe2

Crystal structure of human PCAF bromodomain in complex with fragment BR013 (fragment 3)Crystal structure of human PCAF bromodomain in complex with fragment BR013 (fragment 3)

Structural highlights

Function

References

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5fe2

Crystal structure of human PCAF bromodomain in complex with fragment BR013 (fragment 3)Crystal structure of human PCAF bromodomain in complex with fragment BR013 (fragment 3)

Structural highlights

Function

References

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