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4X2L

Crystal structure of human BACE-1 bound to Compound 6

Summary for 4X2L
Entry DOI10.2210/pdb4x2l/pdb
DescriptorBeta-secretase 1, (4S)-4-(2,4-difluorophenyl)-4-methyl-5,6-dihydro-4H-1,3-thiazin-2-amine, IODIDE ION, ... (7 entities in total)
Functional Keywordsbeta-secretase, protease, hydrolase-hydrolase inhibitor complex, hydrolase/hydrolase inhibitor
Biological sourceHomo sapiens (Human)
Cellular locationMembrane; Single-pass type I membrane protein: P56817
Total number of polymer chains1
Total formula weight47415.60
Authors
Vajdos, F.F.,Parris, K. (deposition date: 2014-11-26, release date: 2015-03-04, Last modification date: 2024-10-23)
Primary citationButler, C.R.,Brodney, M.A.,Beck, E.M.,Barreiro, G.,Nolan, C.E.,Pan, F.,Vajdos, F.,Parris, K.,Varghese, A.H.,Helal, C.J.,Lira, R.,Doran, S.D.,Riddell, D.R.,Buzon, L.M.,Dutra, J.K.,Martinez-Alsina, L.A.,Ogilvie, K.,Murray, J.C.,Young, J.M.,Atchison, K.,Robshaw, A.,Gonzales, C.,Wang, J.,Zhang, Y.,O'Neill, B.T.
Discovery of a Series of Efficient, Centrally Efficacious BACE1 Inhibitors through Structure-Based Drug Design.
J.Med.Chem., 58:2678-2702, 2015
Cited by
PubMed Abstract: The identification of centrally efficacious β-secretase (BACE1) inhibitors for the treatment of Alzheimer's disease (AD) has historically been thwarted by an inability to maintain alignment of potency, brain availability, and desired absorption, distribution, metabolism, and excretion (ADME) properties. In this paper, we describe a series of truncated, fused thioamidines that are efficiently selective in garnering BACE1 activity without simultaneously inhibiting the closely related cathepsin D or negatively impacting brain penetration and ADME alignment, as exemplified by 36. Upon oral administration, these inhibitors exhibit robust brain availability and are efficacious in lowering central Amyloid β (Aβ) levels in mouse and dog. In addition, chronic treatment in aged PS1/APP mice effects a decrease in the number and size of Aβ-derived plaques. Most importantly, evaluation of 36 in a 2-week exploratory toxicology study revealed no accumulation of autofluorescent material in retinal pigment epithelium or histology findings in the eye, issues observed with earlier BACE1 inhibitors.
PubMed: 25695670
DOI: 10.1021/jm501833t
PDB entries with the same primary citation
Experimental method
X-RAY DIFFRACTION (2.55 Å)
Structure validation

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