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[[Image:1mw4.png|left|200px]]
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{{STRUCTURE_1mw4|  PDB=1mw4  |  SCENE=  }}  
{{STRUCTURE_1mw4|  PDB=1mw4  |  SCENE=  }}  
===Solution structure of the human Grb7-SH2 domain in complex with a 10 amino acid peptide pY1139===
===Solution structure of the human Grb7-SH2 domain in complex with a 10 amino acid peptide pY1139===
{{ABSTRACT_PUBMED_12975581}}


==Disease==
[[http://www.uniprot.org/uniprot/ERBB2_HUMAN ERBB2_HUMAN]] Defects in ERBB2 are a cause of hereditary diffuse gastric cancer (HDGC) [MIM:[http://omim.org/entry/137215 137215]]. A cancer predisposition syndrome with increased susceptibility to diffuse gastric cancer. Diffuse gastric cancer is a malignant disease characterized by poorly differentiated infiltrating lesions resulting in thickening of the stomach. Malignant tumors start in the stomach, can spread to the esophagus or the small intestine, and can extend through the stomach wall to nearby lymph nodes and organs. It also can metastasize to other parts of the body.  Defects in ERBB2 are involved in the development of glioma (GLM) [MIM:[http://omim.org/entry/137800 137800]]. Gliomas are central nervous system neoplasms derived from glial cells and comprise astrocytomas, glioblastoma multiforme, oligodendrogliomas, and ependymomas.  Defects in ERBB2 are a cause of susceptibility to ovarian cancer (OC) [MIM:[http://omim.org/entry/167000 167000]]. Ovarian cancer common malignancy originating from ovarian tissue. Although many histologic types of ovarian neoplasms have been described, epithelial ovarian carcinoma is the most common form. Ovarian cancers are often asymptomatic and the recognized signs and symptoms, even of late-stage disease, are vague. Consequently, most patients are diagnosed with advanced disease.  Defects in ERBB2 may be a cause of lung cancer (LNCR) [MIM:[http://omim.org/entry/211980 211980]]. LNCR is a common malignancy affecting tissues of the lung. The most common form of lung cancer is non-small cell lung cancer (NSCLC) that can be divided into 3 major histologic subtypes: squamous cell carcinoma, adenocarcinoma, and large cell lung cancer. NSCLC is often diagnosed at an advanced stage and has a poor prognosis.  Defects in ERBB2 are a cause of gastric cancer (GASC) [MIM:[http://omim.org/entry/613659 613659]]. A malignant disease which starts in the stomach, can spread to the esophagus or the small intestine, and can extend through the stomach wall to nearby lymph nodes and organs. It also can metastasize to other parts of the body. The term gastric cancer or gastric carcinoma refers to adenocarcinoma of the stomach that accounts for most of all gastric malignant tumors. Two main histologic types are recognized, diffuse type and intestinal type carcinomas. Diffuse tumors are poorly differentiated infiltrating lesions resulting in thickening of the stomach. In contrast, intestinal tumors are usually exophytic, often ulcerating, and associated with intestinal metaplasia of the stomach, most often observed in sporadic disease.  Note=Chromosomal aberrations involving ERBB2 may be a cause gastric cancer. Deletions within 17q12 region producing fusion transcripts with CDK12, leading to CDK12-ERBB2 fusion leading to truncated CDK12 protein not in-frame with ERBB2.


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==Function==
The line below this paragraph, {{ABSTRACT_PUBMED_12975581}}, adds the Publication Abstract to the page
[[http://www.uniprot.org/uniprot/GRB7_HUMAN GRB7_HUMAN]] Adapter protein that interacts with the cytoplasmic domain of numerous receptor kinases and modulates down-stream signaling. Promotes activation of down-stream protein kinases, including STAT3, AKT1, MAPK1 and/or MAPK3. Promotes activation of HRAS. Plays a role in signal transduction in response to EGF. Plays a role in the regulation of cell proliferation and cell migration. Plays a role in the assembly and stability of RNA stress granules. Binds to the 5'UTR of target mRNA molecules and represses translation of target mRNA species, when not phosphorylated. Phosphorylation impairs RNA binding and promotes stress granule disassembly during recovery after cellular stress (By similarity).<ref>PMID:10893408</ref><ref>PMID:12021278</ref><ref>PMID:12223469</ref><ref>PMID:20622016</ref> [[http://www.uniprot.org/uniprot/ERBB2_HUMAN ERBB2_HUMAN]] Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.<ref>PMID:10358079</ref><ref>PMID:15380516</ref><ref>PMID:16794579</ref><ref>PMID:19372587</ref><ref>PMID:20937854</ref><ref>PMID:21555369</ref>  In the nucleus is involved in transcriptional regulation. Associates with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter and activates its transcription. Implicated in transcriptional activation of CDKN1A; the function involves STAT3 and SRC. Involved in the transcription of rRNA genes by RNA Pol I and enhances protein synthesis and cell growth.<ref>PMID:10358079</ref><ref>PMID:15380516</ref><ref>PMID:16794579</ref><ref>PMID:19372587</ref><ref>PMID:20937854</ref><ref>PMID:21555369</ref>  
(as it appears on PubMed at http://www.pubmed.gov), where 12975581 is the PubMed ID number.
-->
{{ABSTRACT_PUBMED_12975581}}


==About this Structure==
==About this Structure==
[[1mw4]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MW4 OCA].  
[[1mw4]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MW4 OCA].  
==See Also==
*[[Growth factor receptor-bound protein|Growth factor receptor-bound protein]]


==Reference==
==Reference==
<ref group="xtra">PMID:012975581</ref><references group="xtra"/>
<ref group="xtra">PMID:012975581</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Receptor protein-tyrosine kinase]]
[[Category: Receptor protein-tyrosine kinase]]

Revision as of 06:15, 25 March 2013

Template:STRUCTURE 1mw4

Solution structure of the human Grb7-SH2 domain in complex with a 10 amino acid peptide pY1139Solution structure of the human Grb7-SH2 domain in complex with a 10 amino acid peptide pY1139

Template:ABSTRACT PUBMED 12975581

DiseaseDisease

[ERBB2_HUMAN] Defects in ERBB2 are a cause of hereditary diffuse gastric cancer (HDGC) [MIM:137215]. A cancer predisposition syndrome with increased susceptibility to diffuse gastric cancer. Diffuse gastric cancer is a malignant disease characterized by poorly differentiated infiltrating lesions resulting in thickening of the stomach. Malignant tumors start in the stomach, can spread to the esophagus or the small intestine, and can extend through the stomach wall to nearby lymph nodes and organs. It also can metastasize to other parts of the body. Defects in ERBB2 are involved in the development of glioma (GLM) [MIM:137800]. Gliomas are central nervous system neoplasms derived from glial cells and comprise astrocytomas, glioblastoma multiforme, oligodendrogliomas, and ependymomas. Defects in ERBB2 are a cause of susceptibility to ovarian cancer (OC) [MIM:167000]. Ovarian cancer common malignancy originating from ovarian tissue. Although many histologic types of ovarian neoplasms have been described, epithelial ovarian carcinoma is the most common form. Ovarian cancers are often asymptomatic and the recognized signs and symptoms, even of late-stage disease, are vague. Consequently, most patients are diagnosed with advanced disease. Defects in ERBB2 may be a cause of lung cancer (LNCR) [MIM:211980]. LNCR is a common malignancy affecting tissues of the lung. The most common form of lung cancer is non-small cell lung cancer (NSCLC) that can be divided into 3 major histologic subtypes: squamous cell carcinoma, adenocarcinoma, and large cell lung cancer. NSCLC is often diagnosed at an advanced stage and has a poor prognosis. Defects in ERBB2 are a cause of gastric cancer (GASC) [MIM:613659]. A malignant disease which starts in the stomach, can spread to the esophagus or the small intestine, and can extend through the stomach wall to nearby lymph nodes and organs. It also can metastasize to other parts of the body. The term gastric cancer or gastric carcinoma refers to adenocarcinoma of the stomach that accounts for most of all gastric malignant tumors. Two main histologic types are recognized, diffuse type and intestinal type carcinomas. Diffuse tumors are poorly differentiated infiltrating lesions resulting in thickening of the stomach. In contrast, intestinal tumors are usually exophytic, often ulcerating, and associated with intestinal metaplasia of the stomach, most often observed in sporadic disease. Note=Chromosomal aberrations involving ERBB2 may be a cause gastric cancer. Deletions within 17q12 region producing fusion transcripts with CDK12, leading to CDK12-ERBB2 fusion leading to truncated CDK12 protein not in-frame with ERBB2.

FunctionFunction

[GRB7_HUMAN] Adapter protein that interacts with the cytoplasmic domain of numerous receptor kinases and modulates down-stream signaling. Promotes activation of down-stream protein kinases, including STAT3, AKT1, MAPK1 and/or MAPK3. Promotes activation of HRAS. Plays a role in signal transduction in response to EGF. Plays a role in the regulation of cell proliferation and cell migration. Plays a role in the assembly and stability of RNA stress granules. Binds to the 5'UTR of target mRNA molecules and represses translation of target mRNA species, when not phosphorylated. Phosphorylation impairs RNA binding and promotes stress granule disassembly during recovery after cellular stress (By similarity).[1][2][3][4] [ERBB2_HUMAN] Protein tyrosine kinase that is part of several cell surface receptor complexes, but that apparently needs a coreceptor for ligand binding. Essential component of a neuregulin-receptor complex, although neuregulins do not interact with it alone. GP30 is a potential ligand for this receptor. Regulates outgrowth and stabilization of peripheral microtubules (MTs). Upon ERBB2 activation, the MEMO1-RHOA-DIAPH1 signaling pathway elicits the phosphorylation and thus the inhibition of GSK3B at cell membrane. This prevents the phosphorylation of APC and CLASP2, allowing its association with the cell membrane. In turn, membrane-bound APC allows the localization of MACF1 to the cell membrane, which is required for microtubule capture and stabilization.[5][6][7][8][9][10] In the nucleus is involved in transcriptional regulation. Associates with the 5'-TCAAATTC-3' sequence in the PTGS2/COX-2 promoter and activates its transcription. Implicated in transcriptional activation of CDKN1A; the function involves STAT3 and SRC. Involved in the transcription of rRNA genes by RNA Pol I and enhances protein synthesis and cell growth.[11][12][13][14][15][16]

About this StructureAbout this Structure

1mw4 is a 2 chain structure with sequence from Homo sapiens. Full experimental information is available from OCA.

See AlsoSee Also

ReferenceReference

[xtra 1]

  1. ↑ Ivancic M, Daly RJ, Lyons BA. Solution structure of the human Grb7-SH2 domain/erbB2 peptide complex and structural basis for Grb7 binding to ErbB2. J Biomol NMR. 2003 Nov;27(3):205-19. PMID:12975581
  1. ↑ Han DC, Shen TL, Guan JL. Role of Grb7 targeting to focal contacts and its phosphorylation by focal adhesion kinase in regulation of cell migration. J Biol Chem. 2000 Sep 15;275(37):28911-7. PMID:10893408 doi:10.1074/jbc.M001997200
  2. ↑ Shen TL, Han DC, Guan JL. Association of Grb7 with phosphoinositides and its role in the regulation of cell migration. J Biol Chem. 2002 Aug 9;277(32):29069-77. Epub 2002 May 20. PMID:12021278 doi:10.1074/jbc.M203085200
  3. ↑ Han DC, Shen TL, Miao H, Wang B, Guan JL. EphB1 associates with Grb7 and regulates cell migration. J Biol Chem. 2002 Nov 22;277(47):45655-61. Epub 2002 Sep 9. PMID:12223469 doi:10.1074/jbc.M203165200
  4. ↑ Chu PY, Li TK, Ding ST, Lai IR, Shen TL. EGF-induced Grb7 recruits and promotes Ras activity essential for the tumorigenicity of Sk-Br3 breast cancer cells. J Biol Chem. 2010 Sep 17;285(38):29279-85. doi: 10.1074/jbc.C110.114124. Epub, 2010 Jul 9. PMID:20622016 doi:10.1074/jbc.C110.114124
  5. ↑ Olayioye MA, Beuvink I, Horsch K, Daly JM, Hynes NE. ErbB receptor-induced activation of stat transcription factors is mediated by Src tyrosine kinases. J Biol Chem. 1999 Jun 11;274(24):17209-18. PMID:10358079
  6. ↑ Wang SC, Lien HC, Xia W, Chen IF, Lo HW, Wang Z, Ali-Seyed M, Lee DF, Bartholomeusz G, Ou-Yang F, Giri DK, Hung MC. Binding at and transactivation of the COX-2 promoter by nuclear tyrosine kinase receptor ErbB-2. Cancer Cell. 2004 Sep;6(3):251-61. PMID:15380516 doi:10.1016/j.ccr.2004.07.012
  7. ↑ Anido J, Scaltriti M, Bech Serra JJ, Santiago Josefat B, Todo FR, Baselga J, Arribas J. Biosynthesis of tumorigenic HER2 C-terminal fragments by alternative initiation of translation. EMBO J. 2006 Jul 12;25(13):3234-44. Epub 2006 Jun 22. PMID:16794579 doi:10.1038/sj.emboj.7601191
  8. ↑ Hawthorne VS, Huang WC, Neal CL, Tseng LM, Hung MC, Yu D. ErbB2-mediated Src and signal transducer and activator of transcription 3 activation leads to transcriptional up-regulation of p21Cip1 and chemoresistance in breast cancer cells. Mol Cancer Res. 2009 Apr;7(4):592-600. doi: 10.1158/1541-7786.MCR-08-0316. PMID:19372587 doi:10.1158/1541-7786.MCR-08-0316
  9. ↑ Zaoui K, Benseddik K, Daou P, Salaun D, Badache A. ErbB2 receptor controls microtubule capture by recruiting ACF7 to the plasma membrane of migrating cells. Proc Natl Acad Sci U S A. 2010 Oct 26;107(43):18517-22. doi:, 10.1073/pnas.1000975107. Epub 2010 Oct 11. PMID:20937854 doi:10.1073/pnas.1000975107
  10. ↑ Li LY, Chen H, Hsieh YH, Wang YN, Chu HJ, Chen YH, Chen HY, Chien PJ, Ma HT, Tsai HC, Lai CC, Sher YP, Lien HC, Tsai CH, Hung MC. Nuclear ErbB2 enhances translation and cell growth by activating transcription of ribosomal RNA genes. Cancer Res. 2011 Jun 15;71(12):4269-79. doi: 10.1158/0008-5472.CAN-10-3504. Epub , 2011 May 9. PMID:21555369 doi:10.1158/0008-5472.CAN-10-3504
  11. ↑ Olayioye MA, Beuvink I, Horsch K, Daly JM, Hynes NE. ErbB receptor-induced activation of stat transcription factors is mediated by Src tyrosine kinases. J Biol Chem. 1999 Jun 11;274(24):17209-18. PMID:10358079
  12. ↑ Wang SC, Lien HC, Xia W, Chen IF, Lo HW, Wang Z, Ali-Seyed M, Lee DF, Bartholomeusz G, Ou-Yang F, Giri DK, Hung MC. Binding at and transactivation of the COX-2 promoter by nuclear tyrosine kinase receptor ErbB-2. Cancer Cell. 2004 Sep;6(3):251-61. PMID:15380516 doi:10.1016/j.ccr.2004.07.012
  13. ↑ Anido J, Scaltriti M, Bech Serra JJ, Santiago Josefat B, Todo FR, Baselga J, Arribas J. Biosynthesis of tumorigenic HER2 C-terminal fragments by alternative initiation of translation. EMBO J. 2006 Jul 12;25(13):3234-44. Epub 2006 Jun 22. PMID:16794579 doi:10.1038/sj.emboj.7601191
  14. ↑ Hawthorne VS, Huang WC, Neal CL, Tseng LM, Hung MC, Yu D. ErbB2-mediated Src and signal transducer and activator of transcription 3 activation leads to transcriptional up-regulation of p21Cip1 and chemoresistance in breast cancer cells. Mol Cancer Res. 2009 Apr;7(4):592-600. doi: 10.1158/1541-7786.MCR-08-0316. PMID:19372587 doi:10.1158/1541-7786.MCR-08-0316
  15. ↑ Zaoui K, Benseddik K, Daou P, Salaun D, Badache A. ErbB2 receptor controls microtubule capture by recruiting ACF7 to the plasma membrane of migrating cells. Proc Natl Acad Sci U S A. 2010 Oct 26;107(43):18517-22. doi:, 10.1073/pnas.1000975107. Epub 2010 Oct 11. PMID:20937854 doi:10.1073/pnas.1000975107
  16. ↑ Li LY, Chen H, Hsieh YH, Wang YN, Chu HJ, Chen YH, Chen HY, Chien PJ, Ma HT, Tsai HC, Lai CC, Sher YP, Lien HC, Tsai CH, Hung MC. Nuclear ErbB2 enhances translation and cell growth by activating transcription of ribosomal RNA genes. Cancer Res. 2011 Jun 15;71(12):4269-79. doi: 10.1158/0008-5472.CAN-10-3504. Epub , 2011 May 9. PMID:21555369 doi:10.1158/0008-5472.CAN-10-3504

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