4bfb

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Template:STRUCTURE 4bfb

Contents

BACE2 XAPERONE COMPLEX

Template:ABSTRACT PUBMED 23695257

Function

[BACE2_HUMAN] Responsible for the proteolytic processing of the amyloid precursor protein (APP). Cleaves APP, between residues 690 and 691, leading to the generation and extracellular release of beta-cleaved soluble APP, and a corresponding cell-associated C-terminal fragment which is later released by gamma-secretase. It has also been shown that it can cleave APP between residues 671 and 672.[1] [2] [3] [4] [5]

About this Structure

4bfb is a 4 chain structure with sequence from Homo sapiens and Lama glama. Full crystallographic information is available from OCA.

Reference

  • Banner DW, Gsell B, Benz J, Bertschinger J, Burger D, Brack S, Cuppuleri S, Debulpaep M, Gast A, Grabulovski D, Hennig M, Hilpert H, Huber W, Kuglstatter A, Kusznir E, Laeremans T, Matile H, Miscenic C, Rufer AC, Schlatter D, Steyaert J, Stihle M, Thoma R, Weber M, Ruf A. Mapping the conformational space accessible to BACE2 using surface mutants and cocrystals with Fab fragments, Fynomers and Xaperones. Acta Crystallogr D Biol Crystallogr. 2013 Jun;69(Pt 6):1124-37. doi:, 10.1107/S0907444913006574. Epub 2013 May 15. PMID:23695257 doi:10.1107/S0907444913006574
  1. ↑ Yan R, Bienkowski MJ, Shuck ME, Miao H, Tory MC, Pauley AM, Brashier JR, Stratman NC, Mathews WR, Buhl AE, Carter DB, Tomasselli AG, Parodi LA, Heinrikson RL, Gurney ME. Membrane-anchored aspartyl protease with Alzheimer's disease beta-secretase activity. Nature. 1999 Dec 2;402(6761):533-7. PMID:10591213 doi:10.1038/990107
  2. ↑ Hussain I, Powell DJ, Howlett DR, Chapman GA, Gilmour L, Murdock PR, Tew DG, Meek TD, Chapman C, Schneider K, Ratcliffe SJ, Tattersall D, Testa TT, Southan C, Ryan DM, Simmons DL, Walsh FS, Dingwall C, Christie G. ASP1 (BACE2) cleaves the amyloid precursor protein at the beta-secretase site. Mol Cell Neurosci. 2000 Nov;16(5):609-19. PMID:11083922 doi:10.1006/mcne.2000.0884
  3. ↑ Sun X, Wang Y, Qing H, Christensen MA, Liu Y, Zhou W, Tong Y, Xiao C, Huang Y, Zhang S, Liu X, Song W. Distinct transcriptional regulation and function of the human BACE2 and BACE1 genes. FASEB J. 2005 May;19(7):739-49. PMID:15857888 doi:10.1096/fj.04-3426com
  4. ↑ Yan R, Munzner JB, Shuck ME, Bienkowski MJ. BACE2 functions as an alternative alpha-secretase in cells. J Biol Chem. 2001 Sep 7;276(36):34019-27. Epub 2001 Jun 22. PMID:11423558 doi:10.1074/jbc.M105583200
  5. ↑ Sun X, He G, Song W. BACE2, as a novel APP theta-secretase, is not responsible for the pathogenesis of Alzheimer's disease in Down syndrome. FASEB J. 2006 Jul;20(9):1369-76. PMID:16816112 doi:10.1096/fj.05-5632com

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