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2a8h, resolution 2.30Å ()
Ligands: ,
Gene: ADAM17, CSVP, TACE (Homo sapiens)
Activity: ADAM 17 endopeptidase, with EC number
Related: 1bkc, 1zxc
Resources: FirstGlance, OCA, RCSB, PDBsum
Coordinates: save as pdb, mmCIF, xml


Crystal structure of catalytic domain of TACE with Thiomorpholine Sulfonamide Hydroxamate inhibitor

Publication Abstract from PubMed

A series of thiomorpholine sulfonamide hydroxamate TACE inhibitors, all bearing propargylic ether P1' groups, was explored. In particular, compound 5h has excellent in vitro potency against isolated TACE enzyme and in cells, oral activity in a model of TNF-alpha production and a collagen-induced arthritis model, was selected as a clinical candidate for the treatment of RA.

Acetylenic TACE inhibitors. Part 3: Thiomorpholine sulfonamide hydroxamates., Levin JI, Chen JM, Laakso LM, Du M, Schmid J, Xu W, Cummons T, Xu J, Jin G, Barone D, Skotnicki JS, Bioorg Med Chem Lett. 2006 Mar 15;16(6):1605-9. Epub 2006 Jan 19. PMID:16426848

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


[ADA17_HUMAN] Defects in ADAM17 are a cause of neonatal inflammatory skin and bowel disease (NISBD) [MIM:614328]. NISBD is a disorder characterized by inflammatory features with neonatal onset, involving the skin, hair, and gut. The skin lesions involve perioral and perianal erythema, psoriasiform erythroderma, with flares of erythema, scaling, and widespread pustules. Gastrointestinal symptoms include malabsorptive diarrhea that is exacerbated by intercurrent gastrointestinal infections. The hair is short or broken, and the eyelashes and eyebrows are wiry and disorganized.[1]


[ADA17_HUMAN] Cleaves the membrane-bound precursor of TNF-alpha to its mature soluble form. Responsible for the proteolytical release of soluble JAM3 from endothelial cells surface. Responsible for the proteolytic release of several other cell-surface proteins, including p75 TNF-receptor, interleukin 1 receptor type II, p55 TNF-receptor, transforming growth factor-alpha, L-selectin, growth hormone receptor, MUC1 and the amyloid precursor protein. Also involved in the activation of Notch pathway (By similarity).[2][3]

About this Structure

2a8h is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

See Also


  • Levin JI, Chen JM, Laakso LM, Du M, Schmid J, Xu W, Cummons T, Xu J, Jin G, Barone D, Skotnicki JS. Acetylenic TACE inhibitors. Part 3: Thiomorpholine sulfonamide hydroxamates. Bioorg Med Chem Lett. 2006 Mar 15;16(6):1605-9. Epub 2006 Jan 19. PMID:16426848 doi:10.1016/j.bmcl.2005.12.020
  1. Blaydon DC, Biancheri P, Di WL, Plagnol V, Cabral RM, Brooke MA, van Heel DA, Ruschendorf F, Toynbee M, Walne A, O'Toole EA, Martin JE, Lindley K, Vulliamy T, Abrams DJ, MacDonald TT, Harper JI, Kelsell DP. Inflammatory skin and bowel disease linked to ADAM17 deletion. N Engl J Med. 2011 Oct 20;365(16):1502-8. doi: 10.1056/NEJMoa1100721. PMID:22010916 doi:10.1056/NEJMoa1100721
  2. Thathiah A, Blobel CP, Carson DD. Tumor necrosis factor-alpha converting enzyme/ADAM 17 mediates MUC1 shedding. J Biol Chem. 2003 Jan 31;278(5):3386-94. Epub 2002 Nov 18. PMID:12441351 doi:10.1074/jbc.M208326200
  3. Rabquer BJ, Amin MA, Teegala N, Shaheen MK, Tsou PS, Ruth JH, Lesch CA, Imhof BA, Koch AE. Junctional adhesion molecule-C is a soluble mediator of angiogenesis. J Immunol. 2010 Aug 1;185(3):1777-85. doi: 10.4049/jimmunol.1000556. Epub 2010, Jun 30. PMID:20592283 doi:10.4049/jimmunol.1000556

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