3i08

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===Crystal structure of the S1-cleaved Notch1 Negative Regulatory Region (NRR)===
===Crystal structure of the S1-cleaved Notch1 Negative Regulatory Region (NRR)===
{{ABSTRACT_PUBMED_19701457}}
{{ABSTRACT_PUBMED_19701457}}
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==Disease==
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[[http://www.uniprot.org/uniprot/NOTC1_HUMAN NOTC1_HUMAN]] Defects in NOTCH1 are a cause of aortic valve disease 1 (AOVD1) [MIM:[http://omim.org/entry/109730 109730]]. A common defect in the aortic valve in which two rather than three leaflets are present. It is often associated with aortic valve calcification and insufficiency. In extreme cases, the blood flow may be so restricted that the left ventricle fails to grow, resulting in hypoplastic left heart syndrome.<ref>PMID:16025100</ref>
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==Function==
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[[http://www.uniprot.org/uniprot/NOTC1_HUMAN NOTC1_HUMAN]] Functions as a receptor for membrane-bound ligands Jagged1, Jagged2 and Delta1 to regulate cell-fate determination. Upon ligand activation through the released notch intracellular domain (NICD) it forms a transcriptional activator complex with RBPJ/RBPSUH and activates genes of the enhancer of split locus. Affects the implementation of differentiation, proliferation and apoptotic programs. May be important for normal lymphocyte function. In altered form, may contribute to transformation or progression in some T-cell neoplasms. Involved in the maturation of both CD4+ and CD8+ cells in the thymus. May be important for follicular differentiation and possibly cell fate selection within the follicle. During cerebellar development, may function as a receptor for neuronal DNER and may be involved in the differentiation of Bergmann glia. Represses neuronal and myogenic differentiation. May enhance HIF1A function by sequestering HIF1AN away from HIF1A (By similarity).
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:019701457</ref><references group="xtra"/>
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<ref group="xtra">PMID:019701457</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Blacklow, S C.]]
[[Category: Blacklow, S C.]]

Revision as of 03:06, 25 March 2013

Template:STRUCTURE 3i08

Contents

Crystal structure of the S1-cleaved Notch1 Negative Regulatory Region (NRR)

Template:ABSTRACT PUBMED 19701457

Disease

[NOTC1_HUMAN] Defects in NOTCH1 are a cause of aortic valve disease 1 (AOVD1) [MIM:109730]. A common defect in the aortic valve in which two rather than three leaflets are present. It is often associated with aortic valve calcification and insufficiency. In extreme cases, the blood flow may be so restricted that the left ventricle fails to grow, resulting in hypoplastic left heart syndrome.[1]

Function

[NOTC1_HUMAN] Functions as a receptor for membrane-bound ligands Jagged1, Jagged2 and Delta1 to regulate cell-fate determination. Upon ligand activation through the released notch intracellular domain (NICD) it forms a transcriptional activator complex with RBPJ/RBPSUH and activates genes of the enhancer of split locus. Affects the implementation of differentiation, proliferation and apoptotic programs. May be important for normal lymphocyte function. In altered form, may contribute to transformation or progression in some T-cell neoplasms. Involved in the maturation of both CD4+ and CD8+ cells in the thymus. May be important for follicular differentiation and possibly cell fate selection within the follicle. During cerebellar development, may function as a receptor for neuronal DNER and may be involved in the differentiation of Bergmann glia. Represses neuronal and myogenic differentiation. May enhance HIF1A function by sequestering HIF1AN away from HIF1A (By similarity).

About this Structure

3i08 is a 4 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Gordon WR, Vardar-Ulu D, L'Heureux S, Ashworth T, Malecki MJ, Sanchez-Irizarry C, McArthur DG, Histen G, Mitchell JL, Aster JC, Blacklow SC. Effects of S1 cleavage on the structure, surface export, and signaling activity of human Notch1 and Notch2. PLoS One. 2009 Aug 24;4(8):e6613. PMID:19701457 doi:10.1371/journal.pone.0006613
  1. ↑ Garg V, Muth AN, Ransom JF, Schluterman MK, Barnes R, King IN, Grossfeld PD, Srivastava D. Mutations in NOTCH1 cause aortic valve disease. Nature. 2005 Sep 8;437(7056):270-4. Epub 2005 Jul 17. PMID:16025100 doi:10.1038/nature03940

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OCA

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