SKAP1: Difference between revisions
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{{ | '''Src kinase-associated phosphoprotein 1''' is an [[Signal transducing adaptor protein|adapter protein]] that in humans is encoded by the ''SKAP1'' [[gene]].<ref name="pmid9195899">{{cite journal | vauthors = Marie-Cardine A, Bruyns E, Eckerskorn C, Kirchgessner H, Meuer SC, Schraven B | title = Molecular cloning of SKAP55, a novel protein that associates with the protein tyrosine kinase p59fyn in human T-lymphocytes | journal = The Journal of Biological Chemistry | volume = 272 | issue = 26 | pages = 16077–80 | date = June 1997 | pmid = 9195899 | pmc = | doi = 10.1074/jbc.272.26.16077 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: SKAP1 src kinase associated phosphoprotein 1| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8631| accessdate = }}</ref> | ||
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This gene encodes a [[T cell]] adapter protein, a class of intracellular molecules with modular domains capable of recruiting additional proteins but that exhibit no intrinsic enzymatic activity. The encoded protein contains a unique N-terminal region followed by a [[PH domain]] and C-terminal [[SH3 domain]]. Along with the adhesion and degranulation-promoting adapter protein, the encoded protein plays a critical role in [[inside-out signaling]] by coupling T-cell antigen receptor stimulation to the activation of [[integrin]]s.<ref name="entrez" /> | |||
The demonstration that SKAP1 regulates [[LFA-1]] adhesion was made by retroviral infection <ref>{{cite journal | vauthors = Wang H, Moon EY, Azouz A, Wu X, Smith A, Schneider H, Hogg N, Rudd CE | title = SKAP-55 regulates integrin adhesion and formation of T cell-APC conjugates | journal = Nature Immunology | volume = 4 | issue = 4 | pages = 366–74 | date = April 2003 | pmid = 12652296 | doi = 10.1038/ni913 }}</ref> and by the SKAP1 deficient mouse.<ref>Wang H, Liu H, Lu Y, Lovatt M, Wei, B, Rudd CE Functional defects of SKAP-55 deficient T-cells identify a regulatory role for the adaptor in LFA-1 adhesion, Mol. Cell. Biol. 2007 27, 6863-75.</ref> Additional work has implicated SKAP1 in binding to the [[Guanine nucleotide exchange factor|exchange factor]] [[RASGRP1|RasGRP1]] and in regulating [[Extracellular signal-regulated kinases|ERK]] activation in T-cells.<ref>* {{cite journal | vauthors = Kosco KA, Cerignoli F, Williams S, Abraham RT, Mustelin T | title = SKAP55 modulates T cell antigen receptor-induced activation of the Ras-Erk-AP1 pathway by binding RasGRP1 | journal = Molecular Immunology | volume = 45 | issue = 2 | pages = 510–22 | date = January 2008 | pmid = 17658605 | doi = 10.1016/j.molimm.2007.05.024 }}</ref><ref>Schneider H., Wang H., Raab M., Valk E., Smith X. , Lovatt M., Wu Z., Strebhardt K, Rudd, CE. Adaptor SKAP55 binds RasGRP1 and negatively regulates p21ras and the ERK pathway in T-cells. (2008) PLoS ONE. 3, 1718.</ref> | |||
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== Interactions == | |||
== | SKAP1 has been shown to [[Protein-protein interaction|interact]] with [[FYN]],<ref name=pmid9195899 /><ref name=pmid12171928>{{cite journal | vauthors = Wu L, Yu Z, Shen SH | title = SKAP55 recruits to lipid rafts and positively mediates the MAPK pathway upon T cell receptor activation | journal = The Journal of Biological Chemistry | volume = 277 | issue = 43 | pages = 40420–7 | date = October 2002 | pmid = 12171928 | doi = 10.1074/jbc.M206023200 }}</ref><ref name=pmid9748251>{{cite journal | vauthors = Marie-Cardine A, Hendricks-Taylor LR, Boerth NJ, Zhao H, Schraven B, Koretzky GA | title = Molecular interaction between the Fyn-associated protein SKAP55 and the SLP-76-associated phosphoprotein SLAP-130 | journal = The Journal of Biological Chemistry | volume = 273 | issue = 40 | pages = 25789–95 | date = October 1998 | pmid = 9748251 | doi = 10.1074/jbc.273.40.25789 }}</ref> [[PTPRC]]<ref name=pmid11909961>{{cite journal | vauthors = Wu L, Fu J, Shen SH | title = SKAP55 coupled with CD45 positively regulates T-cell receptor-mediated gene transcription | journal = Molecular and Cellular Biology | volume = 22 | issue = 8 | pages = 2673–86 | date = April 2002 | pmid = 11909961 | pmc = 133720 | doi = 10.1128/MCB.22.8.2673-2686.2002 }}</ref> and [[FYB]].<ref name=pmid9748251/><ref name=pmid9671755>{{cite journal | vauthors = Liu J, Kang H, Raab M, da Silva AJ, Kraeft SK, Rudd CE | title = FYB (FYN binding protein) serves as a binding partner for lymphoid protein and FYN kinase substrate SKAP55 and a SKAP55-related protein in T cells | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 95 | issue = 15 | pages = 8779–84 | date = July 1998 | pmid = 9671755 | pmc = 21153 | doi = 10.1073/pnas.95.15.8779 }}</ref> | ||
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==Further reading== | == References == | ||
{{reflist}} | |||
== Further reading == | |||
{{refbegin | 2}} | {{refbegin | 2}} | ||
* {{cite journal | vauthors = Schraven B, Marie-Cardine A, Koretzky G | title = Molecular analysis of the fyn-complex: cloning of SKAP55 and SLAP-130, two novel adaptor proteins which associate with fyn and may participate in the regulation of T cell receptor-mediated signaling | journal = Immunology Letters | volume = 57 | issue = 1-3 | pages = 165–9 | date = June 1997 | pmid = 9232446 | doi = 10.1016/S0165-2478(97)00053-9 }} | |||
* {{cite journal | vauthors = Clements JL, Boerth NJ, Lee JR, Koretzky GA | title = Integration of T cell receptor-dependent signaling pathways by adapter proteins | journal = Annual Review of Immunology | volume = 17 | issue = | pages = 89–108 | year = 1999 | pmid = 10358754 | doi = 10.1146/annurev.immunol.17.1.89 }} | |||
*{{cite journal | * {{cite journal | vauthors = Liu J, Kang H, Raab M, da Silva AJ, Kraeft SK, Rudd CE | title = FYB (FYN binding protein) serves as a binding partner for lymphoid protein and FYN kinase substrate SKAP55 and a SKAP55-related protein in T cells | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 95 | issue = 15 | pages = 8779–84 | date = July 1998 | pmid = 9671755 | pmc = 21153 | doi = 10.1073/pnas.95.15.8779 }} | ||
*{{cite journal | * {{cite journal | vauthors = Marie-Cardine A, Hendricks-Taylor LR, Boerth NJ, Zhao H, Schraven B, Koretzky GA | title = Molecular interaction between the Fyn-associated protein SKAP55 and the SLP-76-associated phosphoprotein SLAP-130 | journal = The Journal of Biological Chemistry | volume = 273 | issue = 40 | pages = 25789–95 | date = October 1998 | pmid = 9748251 | doi = 10.1074/jbc.273.40.25789 }} | ||
*{{cite journal | * {{cite journal | vauthors = Kouroku Y, Soyama A, Fujita E, Urase K, Tsukahara T, Momoi T | title = RA70 is a src kinase-associated protein expressed ubiquitously | journal = Biochemical and Biophysical Research Communications | volume = 252 | issue = 3 | pages = 738–42 | date = November 1998 | pmid = 9837776 | doi = 10.1006/bbrc.1998.9637 }} | ||
* {{cite journal | vauthors = Kang H, Freund C, Duke-Cohan JS, Musacchio A, Wagner G, Rudd CE | title = SH3 domain recognition of a proline-independent tyrosine-based RKxxYxxY motif in immune cell adaptor SKAP55 | journal = The EMBO Journal | volume = 19 | issue = 12 | pages = 2889–99 | date = June 2000 | pmid = 10856234 | pmc = 203341 | doi = 10.1093/emboj/19.12.2889 }} | |||
*{{cite journal | * {{cite journal | vauthors = Wu L, Fu J, Shen SH | title = SKAP55 coupled with CD45 positively regulates T-cell receptor-mediated gene transcription | journal = Molecular and Cellular Biology | volume = 22 | issue = 8 | pages = 2673–86 | date = April 2002 | pmid = 11909961 | pmc = 133720 | doi = 10.1128/MCB.22.8.2673-2686.2002 }} | ||
*{{cite journal | * {{cite journal | vauthors = Wu L, Yu Z, Shen SH | title = SKAP55 recruits to lipid rafts and positively mediates the MAPK pathway upon T cell receptor activation | journal = The Journal of Biological Chemistry | volume = 277 | issue = 43 | pages = 40420–7 | date = October 2002 | pmid = 12171928 | doi = 10.1074/jbc.M206023200 }} | ||
*{{cite journal | * {{cite journal | vauthors = Huang Y, Norton DD, Precht P, Martindale JL, Burkhardt JK, Wange RL | title = Deficiency of ADAP/Fyb/SLAP-130 destabilizes SKAP55 in Jurkat T cells | journal = The Journal of Biological Chemistry | volume = 280 | issue = 25 | pages = 23576–83 | date = June 2005 | pmid = 15849195 | doi = 10.1074/jbc.M413201200 }} | ||
*{{cite journal | * {{cite journal | vauthors = Jo EK, Wang H, Rudd CE | title = An essential role for SKAP-55 in LFA-1 clustering on T cells that cannot be substituted by SKAP-55R | journal = The Journal of Experimental Medicine | volume = 201 | issue = 11 | pages = 1733–9 | date = June 2005 | pmid = 15939789 | pmc = 2213273 | doi = 10.1084/jem.20042577 }} | ||
*{{cite journal | * {{cite journal | vauthors = Duke-Cohan JS, Kang H, Liu H, Rudd CE | title = Regulation and function of SKAP-55 non-canonical motif binding to the SH3c domain of adhesion and degranulation-promoting adaptor protein | journal = The Journal of Biological Chemistry | volume = 281 | issue = 19 | pages = 13743–50 | date = May 2006 | pmid = 16461356 | doi = 10.1074/jbc.M508774200 }} | ||
*{{cite journal | * {{cite journal | vauthors = Kliche S, Breitling D, Togni M, Pusch R, Heuer K, Wang X, Freund C, Kasirer-Friede A, Menasche G, Koretzky GA, Schraven B | title = The ADAP/SKAP55 signaling module regulates T-cell receptor-mediated integrin activation through plasma membrane targeting of Rap1 | journal = Molecular and Cellular Biology | volume = 26 | issue = 19 | pages = 7130–44 | date = October 2006 | pmid = 16980616 | pmc = 1592884 | doi = 10.1128/MCB.00331-06 }} | ||
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{{refend}} | {{refend}} | ||
{{PDB Gallery|geneid=8631}} | |||
{{ | {{gene-17-stub}} | ||
Latest revision as of 23:07, 19 October 2017
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External IDs | GeneCards: [1] | ||||||
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Species | Human | Mouse | |||||
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Location (UCSC) | n/a | n/a | |||||
PubMed search | n/a | n/a | |||||
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Src kinase-associated phosphoprotein 1 is an adapter protein that in humans is encoded by the SKAP1 gene.[1][2]
This gene encodes a T cell adapter protein, a class of intracellular molecules with modular domains capable of recruiting additional proteins but that exhibit no intrinsic enzymatic activity. The encoded protein contains a unique N-terminal region followed by a PH domain and C-terminal SH3 domain. Along with the adhesion and degranulation-promoting adapter protein, the encoded protein plays a critical role in inside-out signaling by coupling T-cell antigen receptor stimulation to the activation of integrins.[2]
The demonstration that SKAP1 regulates LFA-1 adhesion was made by retroviral infection [3] and by the SKAP1 deficient mouse.[4] Additional work has implicated SKAP1 in binding to the exchange factor RasGRP1 and in regulating ERK activation in T-cells.[5][6]
Interactions
SKAP1 has been shown to interact with FYN,[1][7][8] PTPRC[9] and FYB.[8][10]
References
- ↑ 1.0 1.1 Marie-Cardine A, Bruyns E, Eckerskorn C, Kirchgessner H, Meuer SC, Schraven B (June 1997). "Molecular cloning of SKAP55, a novel protein that associates with the protein tyrosine kinase p59fyn in human T-lymphocytes". The Journal of Biological Chemistry. 272 (26): 16077–80. doi:10.1074/jbc.272.26.16077. PMID 9195899.
- ↑ 2.0 2.1 "Entrez Gene: SKAP1 src kinase associated phosphoprotein 1".
- ↑ Wang H, Moon EY, Azouz A, Wu X, Smith A, Schneider H, Hogg N, Rudd CE (April 2003). "SKAP-55 regulates integrin adhesion and formation of T cell-APC conjugates". Nature Immunology. 4 (4): 366–74. doi:10.1038/ni913. PMID 12652296.
- ↑ Wang H, Liu H, Lu Y, Lovatt M, Wei, B, Rudd CE Functional defects of SKAP-55 deficient T-cells identify a regulatory role for the adaptor in LFA-1 adhesion, Mol. Cell. Biol. 2007 27, 6863-75.
- ↑ * Kosco KA, Cerignoli F, Williams S, Abraham RT, Mustelin T (January 2008). "SKAP55 modulates T cell antigen receptor-induced activation of the Ras-Erk-AP1 pathway by binding RasGRP1". Molecular Immunology. 45 (2): 510–22. doi:10.1016/j.molimm.2007.05.024. PMID 17658605.
- ↑ Schneider H., Wang H., Raab M., Valk E., Smith X. , Lovatt M., Wu Z., Strebhardt K, Rudd, CE. Adaptor SKAP55 binds RasGRP1 and negatively regulates p21ras and the ERK pathway in T-cells. (2008) PLoS ONE. 3, 1718.
- ↑ Wu L, Yu Z, Shen SH (October 2002). "SKAP55 recruits to lipid rafts and positively mediates the MAPK pathway upon T cell receptor activation". The Journal of Biological Chemistry. 277 (43): 40420–7. doi:10.1074/jbc.M206023200. PMID 12171928.
- ↑ 8.0 8.1 Marie-Cardine A, Hendricks-Taylor LR, Boerth NJ, Zhao H, Schraven B, Koretzky GA (October 1998). "Molecular interaction between the Fyn-associated protein SKAP55 and the SLP-76-associated phosphoprotein SLAP-130". The Journal of Biological Chemistry. 273 (40): 25789–95. doi:10.1074/jbc.273.40.25789. PMID 9748251.
- ↑ Wu L, Fu J, Shen SH (April 2002). "SKAP55 coupled with CD45 positively regulates T-cell receptor-mediated gene transcription". Molecular and Cellular Biology. 22 (8): 2673–86. doi:10.1128/MCB.22.8.2673-2686.2002. PMC 133720. PMID 11909961.
- ↑ Liu J, Kang H, Raab M, da Silva AJ, Kraeft SK, Rudd CE (July 1998). "FYB (FYN binding protein) serves as a binding partner for lymphoid protein and FYN kinase substrate SKAP55 and a SKAP55-related protein in T cells". Proceedings of the National Academy of Sciences of the United States of America. 95 (15): 8779–84. doi:10.1073/pnas.95.15.8779. PMC 21153. PMID 9671755.
Further reading
- Schraven B, Marie-Cardine A, Koretzky G (June 1997). "Molecular analysis of the fyn-complex: cloning of SKAP55 and SLAP-130, two novel adaptor proteins which associate with fyn and may participate in the regulation of T cell receptor-mediated signaling". Immunology Letters. 57 (1–3): 165–9. doi:10.1016/S0165-2478(97)00053-9. PMID 9232446.
- Clements JL, Boerth NJ, Lee JR, Koretzky GA (1999). "Integration of T cell receptor-dependent signaling pathways by adapter proteins". Annual Review of Immunology. 17: 89–108. doi:10.1146/annurev.immunol.17.1.89. PMID 10358754.
- Liu J, Kang H, Raab M, da Silva AJ, Kraeft SK, Rudd CE (July 1998). "FYB (FYN binding protein) serves as a binding partner for lymphoid protein and FYN kinase substrate SKAP55 and a SKAP55-related protein in T cells". Proceedings of the National Academy of Sciences of the United States of America. 95 (15): 8779–84. doi:10.1073/pnas.95.15.8779. PMC 21153. PMID 9671755.
- Marie-Cardine A, Hendricks-Taylor LR, Boerth NJ, Zhao H, Schraven B, Koretzky GA (October 1998). "Molecular interaction between the Fyn-associated protein SKAP55 and the SLP-76-associated phosphoprotein SLAP-130". The Journal of Biological Chemistry. 273 (40): 25789–95. doi:10.1074/jbc.273.40.25789. PMID 9748251.
- Kouroku Y, Soyama A, Fujita E, Urase K, Tsukahara T, Momoi T (November 1998). "RA70 is a src kinase-associated protein expressed ubiquitously". Biochemical and Biophysical Research Communications. 252 (3): 738–42. doi:10.1006/bbrc.1998.9637. PMID 9837776.
- Kang H, Freund C, Duke-Cohan JS, Musacchio A, Wagner G, Rudd CE (June 2000). "SH3 domain recognition of a proline-independent tyrosine-based RKxxYxxY motif in immune cell adaptor SKAP55". The EMBO Journal. 19 (12): 2889–99. doi:10.1093/emboj/19.12.2889. PMC 203341. PMID 10856234.
- Wu L, Fu J, Shen SH (April 2002). "SKAP55 coupled with CD45 positively regulates T-cell receptor-mediated gene transcription". Molecular and Cellular Biology. 22 (8): 2673–86. doi:10.1128/MCB.22.8.2673-2686.2002. PMC 133720. PMID 11909961.
- Wu L, Yu Z, Shen SH (October 2002). "SKAP55 recruits to lipid rafts and positively mediates the MAPK pathway upon T cell receptor activation". The Journal of Biological Chemistry. 277 (43): 40420–7. doi:10.1074/jbc.M206023200. PMID 12171928.
- Huang Y, Norton DD, Precht P, Martindale JL, Burkhardt JK, Wange RL (June 2005). "Deficiency of ADAP/Fyb/SLAP-130 destabilizes SKAP55 in Jurkat T cells". The Journal of Biological Chemistry. 280 (25): 23576–83. doi:10.1074/jbc.M413201200. PMID 15849195.
- Jo EK, Wang H, Rudd CE (June 2005). "An essential role for SKAP-55 in LFA-1 clustering on T cells that cannot be substituted by SKAP-55R". The Journal of Experimental Medicine. 201 (11): 1733–9. doi:10.1084/jem.20042577. PMC 2213273. PMID 15939789.
- Duke-Cohan JS, Kang H, Liu H, Rudd CE (May 2006). "Regulation and function of SKAP-55 non-canonical motif binding to the SH3c domain of adhesion and degranulation-promoting adaptor protein". The Journal of Biological Chemistry. 281 (19): 13743–50. doi:10.1074/jbc.M508774200. PMID 16461356.
- Kliche S, Breitling D, Togni M, Pusch R, Heuer K, Wang X, Freund C, Kasirer-Friede A, Menasche G, Koretzky GA, Schraven B (October 2006). "The ADAP/SKAP55 signaling module regulates T-cell receptor-mediated integrin activation through plasma membrane targeting of Rap1". Molecular and Cellular Biology. 26 (19): 7130–44. doi:10.1128/MCB.00331-06. PMC 1592884. PMID 16980616.
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