3nmx
From Proteopedia
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{{STRUCTURE_3nmx| PDB=3nmx | SCENE= }} | {{STRUCTURE_3nmx| PDB=3nmx | SCENE= }} | ||
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===Crystal structure of APC complexed with Asef=== | ===Crystal structure of APC complexed with Asef=== | ||
| + | {{ABSTRACT_PUBMED_021788986}} | ||
| + | ==Function== | ||
| + | [[http://www.uniprot.org/uniprot/ARHG4_HUMAN ARHG4_HUMAN]] Acts as guanine nucleotide exchange factor (GEF) for RHOA, RAC1 and CDC42 GTPases. Binding of APC may activate RAC1 GEF activity. The APC-ARHGEF4 complex seems to be involved in cell migration as well as in E-cadherin-mediated cell-cell adhesion. Required for MMP9 up-regulation via the JNK signaling pathway in colorectal tumor cells. Involved in tumor angiogenesis and may play a role in intestinal adenoma formation and tumor progression.<ref>PMID:10947987</ref><ref>PMID:12598901</ref><ref>PMID:17145773</ref><ref>PMID:17599059</ref><ref>PMID:19893577</ref> | ||
==About this Structure== | ==About this Structure== | ||
[[3nmx]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NMX OCA]. | [[3nmx]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NMX OCA]. | ||
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| + | ==Reference== | ||
| + | <references group="xtra"/><references/> | ||
[[Category: Homo sapiens]] | [[Category: Homo sapiens]] | ||
[[Category: Chen, L.]] | [[Category: Chen, L.]] | ||
Revision as of 04:52, 25 March 2013
Contents |
Crystal structure of APC complexed with Asef
Template:ABSTRACT PUBMED 021788986
Function
[ARHG4_HUMAN] Acts as guanine nucleotide exchange factor (GEF) for RHOA, RAC1 and CDC42 GTPases. Binding of APC may activate RAC1 GEF activity. The APC-ARHGEF4 complex seems to be involved in cell migration as well as in E-cadherin-mediated cell-cell adhesion. Required for MMP9 up-regulation via the JNK signaling pathway in colorectal tumor cells. Involved in tumor angiogenesis and may play a role in intestinal adenoma formation and tumor progression.[1][2][3][4][5]
About this Structure
3nmx is a 6 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
- ↑ Kawasaki Y, Senda T, Ishidate T, Koyama R, Morishita T, Iwayama Y, Higuchi O, Akiyama T. Asef, a link between the tumor suppressor APC and G-protein signaling. Science. 2000 Aug 18;289(5482):1194-7. PMID:10947987
- ↑ Kawasaki Y, Sato R, Akiyama T. Mutated APC and Asef are involved in the migration of colorectal tumour cells. Nat Cell Biol. 2003 Mar;5(3):211-5. PMID:12598901 doi:10.1038/ncb937
- ↑ Hamann MJ, Lubking CM, Luchini DN, Billadeau DD. Asef2 functions as a Cdc42 exchange factor and is stimulated by the release of an autoinhibitory module from a concealed C-terminal activation element. Mol Cell Biol. 2007 Feb;27(4):1380-93. Epub 2006 Dec 4. PMID:17145773 doi:10.1128/MCB.01608-06
- ↑ Kawasaki Y, Sagara M, Shibata Y, Shirouzu M, Yokoyama S, Akiyama T. Identification and characterization of Asef2, a guanine-nucleotide exchange factor specific for Rac1 and Cdc42. Oncogene. 2007 Dec 6;26(55):7620-267. Epub 2007 Jun 18. PMID:17599059 doi:10.1038/sj.onc.1210574
- ↑ Kawasaki Y, Tsuji S, Muroya K, Furukawa S, Shibata Y, Okuno M, Ohwada S, Akiyama T. The adenomatous polyposis coli-associated exchange factors Asef and Asef2 are required for adenoma formation in Apc(Min/+)mice. EMBO Rep. 2009 Dec;10(12):1355-62. doi: 10.1038/embor.2009.233. Epub 2009 Nov 6. PMID:19893577 doi:10.1038/embor.2009.233
