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5tol

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CRYSTAL STRUCTURE OF BETA-SITE APP-CLEAVING ENZYME 1 COMPLEXED WITH N-(3-((4AS,7AS)-2-AMINO-4,4A,5,6-TETRAHYDRO-7AH-FURO[2,3-D][1,3]THIAZIN-7A-YL)-4-FLUOROPHENYL)-5-BROMO-2-PYRIDINECARBOXAMIDE

Structural highlights

5tol is a 1 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 2.51Å
Ligands:
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

BACE1_HUMAN Responsible for the proteolytic processing of the amyloid precursor protein (APP). Cleaves at the N-terminus of the A-beta peptide sequence, between residues 671 and 672 of APP, leads 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.^[1] ^[2]

Publication Abstract from PubMed

This Letter describes the synthesis and structure-activity relationships of a series of furo[2,3-d][1,3]thiazinamine BACE1 inhibitors. The co-crystal structure of a representative thiazinamine 2e bound with the BACE1 active site displayed a binding mode driven by interactions with the catalytic aspartate dyad and engagement of the biaryl amide toward the S1 and S3 pockets. This work indicates that furo[2,3-d]thiazine can serve as a viable bioisostere of the known furo[3,4-d]thiazine.

Discovery of furo[2,3-d][1,3]thiazinamines as beta amyloid cleaving enzyme-1 (BACE1) inhibitors.,Wu YJ, Guernon J, Rajamani R, Toyn JH, Ahlijanian MK, Albright CF, Muckelbauer J, Chang C, Camac D, Macor JE, Thompson LA Bioorg Med Chem Lett. 2016 Dec 1;26(23):5729-5731. doi:, 10.1016/j.bmcl.2016.10.055. Epub 2016 Oct 20. PMID:27816517^[3]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Lin X, Koelsch G, Wu S, Downs D, Dashti A, Tang J. Human aspartic protease memapsin 2 cleaves the beta-secretase site of beta-amyloid precursor protein. Proc Natl Acad Sci U S A. 2000 Feb 15;97(4):1456-60. PMID:10677483
↑ Okada H, Zhang W, Peterhoff C, Hwang JC, Nixon RA, Ryu SH, Kim TW. Proteomic identification of sorting nexin 6 as a negative regulator of BACE1-mediated APP processing. FASEB J. 2010 Aug;24(8):2783-94. doi: 10.1096/fj.09-146357. Epub 2010 Mar 30. PMID:20354142 doi:10.1096/fj.09-146357
↑ Wu YJ, Guernon J, Rajamani R, Toyn JH, Ahlijanian MK, Albright CF, Muckelbauer J, Chang C, Camac D, Macor JE, Thompson LA. Discovery of furo[2,3-d][1,3]thiazinamines as beta amyloid cleaving enzyme-1 (BACE1) inhibitors. Bioorg Med Chem Lett. 2016 Dec 1;26(23):5729-5731. doi:, 10.1016/j.bmcl.2016.10.055. Epub 2016 Oct 20. PMID:27816517 doi:http://dx.doi.org/10.1016/j.bmcl.2016.10.055