PRKAG1: Difference between revisions
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'''5'-AMP-activated protein kinase subunit gamma-1''' is an [[enzyme]] that in humans is encoded by the ''PRKAG1'' [[gene]].<ref name="pmid8557660">{{cite journal |vauthors=Stapleton D, Mitchelhill KI, Gao G, Widmer J, Michell BJ, Teh T, House CM, Fernandez CS, Cox T, Witters LA, Kemp BE | title = Mammalian AMP-activated protein kinase subfamily | journal = | '''5'-AMP-activated protein kinase subunit gamma-1''' is an [[enzyme]] that in humans is encoded by the ''PRKAG1'' [[gene]].<ref name="pmid8557660">{{cite journal | vauthors = Stapleton D, Mitchelhill KI, Gao G, Widmer J, Michell BJ, Teh T, House CM, Fernandez CS, Cox T, Witters LA, Kemp BE | title = Mammalian AMP-activated protein kinase subfamily | journal = The Journal of Biological Chemistry | volume = 271 | issue = 2 | pages = 611–4 | date = January 1996 | pmid = 8557660 | pmc = | doi = 10.1074/jbc.271.2.611 }}</ref><ref name="pmid8621499">{{cite journal | vauthors = Gao G, Fernandez CS, Stapleton D, Auster AS, Widmer J, Dyck JR, Kemp BE, Witters LA | title = Non-catalytic beta- and gamma-subunit isoforms of the 5'-AMP-activated protein kinase | journal = The Journal of Biological Chemistry | volume = 271 | issue = 15 | pages = 8675–81 | date = April 1996 | pmid = 8621499 | pmc = | doi = 10.1074/jbc.271.15.8675 }}</ref><ref name="entrez">{{cite web | title = Entrez Gene: PRKAG1 protein kinase, AMP-activated, gamma 1 non-catalytic subunit| url = https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5571| access-date = }}</ref> | ||
== Function == | |||
The protein encoded by this gene is a regulatory subunit of the [[AMP-activated protein kinase]] (AMPK). AMPK is a heterotrimer consisting of an alpha catalytic subunit, and non-catalytic beta and gamma subunits. AMPK is an important energy-sensing enzyme that monitors cellular energy status. In response to cellular metabolic stresses, AMPK is activated, and thus [[phosphorylation|phosphorylates]] and inactivates [[acetyl-CoA carboxylase]] (ACC) and [[HMG-CoA reductase|beta-hydroxy beta-methylglutaryl-CoA reductase]] (HMGCR), key enzymes involved in regulating de novo biosynthesis of [[fatty acid]] and [[cholesterol]]. This subunit is one of the gamma regulatory subunits of AMPK. [[Alternative splicing|Alternatively spliced]] transcript variants encoding distinct [[Protein isoform|isoforms]] have been observed.<ref name="entrez"/> | |||
==References== | == Interactions == | ||
PRKAG1 has been shown to [[Protein-protein interaction|interact]] with [[PRKAB2]]<ref name=pmid10698692>{{cite journal | vauthors = Cheung PC, Salt IP, Davies SP, Hardie DG, Carling D | title = Characterization of AMP-activated protein kinase gamma-subunit isoforms and their role in AMP binding | journal = The Biochemical Journal | volume = 346 Pt 3 | issue = 3 | pages = 659–69 | date = March 2000 | pmid = 10698692 | pmc = 1220898 | doi = 10.1042/0264-6021:3460659 }}</ref> and [[PRKAB1]].<ref name=pmid10698692/> | |||
== References == | |||
{{reflist}} | {{reflist}} | ||
==Further reading== | == Further reading == | ||
{{refbegin | 2}} | {{refbegin | 2}} | ||
* {{cite journal | vauthors = Hofmann B, Nishanian P, Baldwin RL, Insixiengmay P, Nel A, Fahey JL | title = HIV inhibits the early steps of lymphocyte activation, including initiation of inositol phospholipid metabolism | journal = Journal of Immunology | volume = 145 | issue = 11 | pages = 3699–705 | date = December 1990 | pmid = 1978848 | doi = }} | |||
* {{cite journal | vauthors = Beebe SJ, Oyen O, Sandberg M, Frøysa A, Hansson V, Jahnsen T | title = Molecular cloning of a tissue-specific protein kinase (C gamma) from human testis--representing a third isoform for the catalytic subunit of cAMP-dependent protein kinase | journal = Molecular Endocrinology | volume = 4 | issue = 3 | pages = 465–75 | date = March 1990 | pmid = 2342480 | doi = 10.1210/mend-4-3-465 }} | |||
*{{cite journal | * {{cite journal | vauthors = Hofmann B, Nishanian P, Nguyen T, Insixiengmay P, Fahey JL | title = Human immunodeficiency virus proteins induce the inhibitory cAMP/protein kinase A pathway in normal lymphocytes | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 90 | issue = 14 | pages = 6676–80 | date = July 1993 | pmid = 7688126 | pmc = 46995 | doi = 10.1073/pnas.90.14.6676 | bibcode = 1993PNAS...90.6676H }} | ||
*{{cite journal | * {{cite journal | vauthors = Hofmann B, Nishanian P, Fan J, Nguyen T, Fahey JL | title = HIV Gag p17 protein impairs proliferation of normal lymphocytes in vitro | journal = AIDS | volume = 8 | issue = 7 | pages = 1016–7 | date = July 1994 | pmid = 7946090 | doi = 10.1097/00002030-199407000-00025 }} | ||
*{{cite journal | * {{cite journal | vauthors = Woods A, Cheung PC, Smith FC, Davison MD, Scott J, Beri RK, Carling D | title = Characterization of AMP-activated protein kinase beta and gamma subunits. Assembly of the heterotrimeric complex in vitro | journal = The Journal of Biological Chemistry | volume = 271 | issue = 17 | pages = 10282–90 | date = April 1996 | pmid = 8626596 | doi = 10.1074/jbc.271.48.30517 }} | ||
*{{cite journal | * {{cite journal | vauthors = Dyck JR, Gao G, Widmer J, Stapleton D, Fernandez CS, Kemp BE, Witters LA | title = Regulation of 5'-AMP-activated protein kinase activity by the noncatalytic beta and gamma subunits | journal = The Journal of Biological Chemistry | volume = 271 | issue = 30 | pages = 17798–803 | date = July 1996 | pmid = 8663446 | doi = 10.1074/jbc.271.30.17798 }} | ||
*{{cite journal | * {{cite journal | vauthors = Bonaldo MF, Lennon G, Soares MB | title = Normalization and subtraction: two approaches to facilitate gene discovery | journal = Genome Research | volume = 6 | issue = 9 | pages = 791–806 | date = September 1996 | pmid = 8889548 | doi = 10.1101/gr.6.9.791 }} | ||
*{{cite journal | * {{cite journal | vauthors = Swingler S, Gallay P, Camaur D, Song J, Abo A, Trono D | title = The Nef protein of human immunodeficiency virus type 1 enhances serine phosphorylation of the viral matrix | journal = Journal of Virology | volume = 71 | issue = 6 | pages = 4372–7 | date = June 1997 | pmid = 9151826 | pmc = 191654 | doi = }} | ||
*{{cite journal | * {{cite journal | vauthors = Stapleton D, Woollatt E, Mitchelhill KI, Nicholl JK, Fernandez CS, Michell BJ, Witters LA, Power DA, Sutherland GR, Kemp BE | title = AMP-activated protein kinase isoenzyme family: subunit structure and chromosomal location | journal = FEBS Letters | volume = 409 | issue = 3 | pages = 452–6 | date = June 1997 | pmid = 9224708 | doi = 10.1016/S0014-5793(97)00569-3 }} | ||
*{{cite journal | * {{cite journal | vauthors = Chen P, Mayne M, Power C, Nath A | title = The Tat protein of HIV-1 induces tumor necrosis factor-alpha production. Implications for HIV-1-associated neurological diseases | journal = The Journal of Biological Chemistry | volume = 272 | issue = 36 | pages = 22385–8 | date = September 1997 | pmid = 9278385 | doi = 10.1074/jbc.272.36.22385 }} | ||
*{{cite journal | * {{cite journal | vauthors = Reinton N, Haugen TB, Orstavik S, Skålhegg BS, Hansson V, Jahnsen T, Taskén K | title = The gene encoding the C gamma catalytic subunit of cAMP-dependent protein kinase is a transcribed retroposon | journal = Genomics | volume = 49 | issue = 2 | pages = 290–7 | date = April 1998 | pmid = 9598317 | doi = 10.1006/geno.1998.5240 }} | ||
*{{cite journal | * {{cite journal | vauthors = Zidovetzki R, Wang JL, Chen P, Jeyaseelan R, Hofman F | title = Human immunodeficiency virus Tat protein induces interleukin 6 mRNA expression in human brain endothelial cells via protein kinase C- and cAMP-dependent protein kinase pathways | journal = AIDS Research and Human Retroviruses | volume = 14 | issue = 10 | pages = 825–33 | date = July 1998 | pmid = 9671211 | doi = 10.1089/aid.1998.14.825 }} | ||
*{{cite journal | * {{cite journal | vauthors = Mayne M, Bratanich AC, Chen P, Rana F, Nath A, Power C | title = HIV-1 tat molecular diversity and induction of TNF-alpha: implications for HIV-induced neurological disease | journal = Neuroimmunomodulation | volume = 5 | issue = 3-4 | pages = 184–92 | year = 1998 | pmid = 9730685 | doi = 10.1159/000026336 }} | ||
*{{cite journal | * {{cite journal | vauthors = Cheung PC, Salt IP, Davies SP, Hardie DG, Carling D | title = Characterization of AMP-activated protein kinase gamma-subunit isoforms and their role in AMP binding | journal = The Biochemical Journal | volume = 346 Pt 3 | issue = 3 | pages = 659–69 | date = March 2000 | pmid = 10698692 | pmc = 1220898 | doi = 10.1042/0264-6021:3460659 }} | ||
*{{cite journal | * {{cite journal | vauthors = Hamilton SR, Stapleton D, O'Donnell JB, Kung JT, Dalal SR, Kemp BE, Witters LA | title = An activating mutation in the gamma1 subunit of the AMP-activated protein kinase | journal = FEBS Letters | volume = 500 | issue = 3 | pages = 163–8 | date = July 2001 | pmid = 11445078 | doi = 10.1016/S0014-5793(01)02602-3 }} | ||
*{{cite journal | * {{cite journal | vauthors = Minokoshi Y, Alquier T, Furukawa N, Kim YB, Lee A, Xue B, Mu J, Foufelle F, Ferré P, Birnbaum MJ, Stuck BJ, Kahn BB | title = AMP-kinase regulates food intake by responding to hormonal and nutrient signals in the hypothalamus | journal = Nature | volume = 428 | issue = 6982 | pages = 569–74 | date = April 2004 | pmid = 15058305 | doi = 10.1038/nature02440 | bibcode = 2004Natur.428..569M }} | ||
*{{cite journal | |||
*{{cite journal | |||
}} | |||
{{refend}} | {{refend}} | ||
{{PDB Gallery|geneid=5571}} | {{PDB Gallery|geneid=5571}} | ||
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{{Enzymes}} | {{Enzymes}} | ||
{{Portal bar|Molecular and Cellular Biology|border=no}} | {{Portal bar|Molecular and Cellular Biology|border=no}} | ||
[[Category:EC 2.7.11]] | [[Category:EC 2.7.11]] |
Latest revision as of 17:38, 9 October 2018
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UniProt |
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RefSeq (mRNA) |
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Location (UCSC) | n/a | n/a | |||||
PubMed search | n/a | n/a | |||||
Wikidata | |||||||
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5'-AMP-activated protein kinase subunit gamma-1 is an enzyme that in humans is encoded by the PRKAG1 gene.[1][2][3]
Function
The protein encoded by this gene is a regulatory subunit of the AMP-activated protein kinase (AMPK). AMPK is a heterotrimer consisting of an alpha catalytic subunit, and non-catalytic beta and gamma subunits. AMPK is an important energy-sensing enzyme that monitors cellular energy status. In response to cellular metabolic stresses, AMPK is activated, and thus phosphorylates and inactivates acetyl-CoA carboxylase (ACC) and beta-hydroxy beta-methylglutaryl-CoA reductase (HMGCR), key enzymes involved in regulating de novo biosynthesis of fatty acid and cholesterol. This subunit is one of the gamma regulatory subunits of AMPK. Alternatively spliced transcript variants encoding distinct isoforms have been observed.[3]
Interactions
PRKAG1 has been shown to interact with PRKAB2[4] and PRKAB1.[4]
References
- ↑ Stapleton D, Mitchelhill KI, Gao G, Widmer J, Michell BJ, Teh T, House CM, Fernandez CS, Cox T, Witters LA, Kemp BE (January 1996). "Mammalian AMP-activated protein kinase subfamily". The Journal of Biological Chemistry. 271 (2): 611–4. doi:10.1074/jbc.271.2.611. PMID 8557660.
- ↑ Gao G, Fernandez CS, Stapleton D, Auster AS, Widmer J, Dyck JR, Kemp BE, Witters LA (April 1996). "Non-catalytic beta- and gamma-subunit isoforms of the 5'-AMP-activated protein kinase". The Journal of Biological Chemistry. 271 (15): 8675–81. doi:10.1074/jbc.271.15.8675. PMID 8621499.
- ↑ 3.0 3.1 "Entrez Gene: PRKAG1 protein kinase, AMP-activated, gamma 1 non-catalytic subunit".
- ↑ 4.0 4.1 Cheung PC, Salt IP, Davies SP, Hardie DG, Carling D (March 2000). "Characterization of AMP-activated protein kinase gamma-subunit isoforms and their role in AMP binding". The Biochemical Journal. 346 Pt 3 (3): 659–69. doi:10.1042/0264-6021:3460659. PMC 1220898. PMID 10698692.
Further reading
- Hofmann B, Nishanian P, Baldwin RL, Insixiengmay P, Nel A, Fahey JL (December 1990). "HIV inhibits the early steps of lymphocyte activation, including initiation of inositol phospholipid metabolism". Journal of Immunology. 145 (11): 3699–705. PMID 1978848.
- Beebe SJ, Oyen O, Sandberg M, Frøysa A, Hansson V, Jahnsen T (March 1990). "Molecular cloning of a tissue-specific protein kinase (C gamma) from human testis--representing a third isoform for the catalytic subunit of cAMP-dependent protein kinase". Molecular Endocrinology. 4 (3): 465–75. doi:10.1210/mend-4-3-465. PMID 2342480.
- Hofmann B, Nishanian P, Nguyen T, Insixiengmay P, Fahey JL (July 1993). "Human immunodeficiency virus proteins induce the inhibitory cAMP/protein kinase A pathway in normal lymphocytes". Proceedings of the National Academy of Sciences of the United States of America. 90 (14): 6676–80. Bibcode:1993PNAS...90.6676H. doi:10.1073/pnas.90.14.6676. PMC 46995. PMID 7688126.
- Hofmann B, Nishanian P, Fan J, Nguyen T, Fahey JL (July 1994). "HIV Gag p17 protein impairs proliferation of normal lymphocytes in vitro". AIDS. 8 (7): 1016–7. doi:10.1097/00002030-199407000-00025. PMID 7946090.
- Woods A, Cheung PC, Smith FC, Davison MD, Scott J, Beri RK, Carling D (April 1996). "Characterization of AMP-activated protein kinase beta and gamma subunits. Assembly of the heterotrimeric complex in vitro". The Journal of Biological Chemistry. 271 (17): 10282–90. doi:10.1074/jbc.271.48.30517. PMID 8626596.
- Dyck JR, Gao G, Widmer J, Stapleton D, Fernandez CS, Kemp BE, Witters LA (July 1996). "Regulation of 5'-AMP-activated protein kinase activity by the noncatalytic beta and gamma subunits". The Journal of Biological Chemistry. 271 (30): 17798–803. doi:10.1074/jbc.271.30.17798. PMID 8663446.
- Bonaldo MF, Lennon G, Soares MB (September 1996). "Normalization and subtraction: two approaches to facilitate gene discovery". Genome Research. 6 (9): 791–806. doi:10.1101/gr.6.9.791. PMID 8889548.
- Swingler S, Gallay P, Camaur D, Song J, Abo A, Trono D (June 1997). "The Nef protein of human immunodeficiency virus type 1 enhances serine phosphorylation of the viral matrix". Journal of Virology. 71 (6): 4372–7. PMC 191654. PMID 9151826.
- Stapleton D, Woollatt E, Mitchelhill KI, Nicholl JK, Fernandez CS, Michell BJ, Witters LA, Power DA, Sutherland GR, Kemp BE (June 1997). "AMP-activated protein kinase isoenzyme family: subunit structure and chromosomal location". FEBS Letters. 409 (3): 452–6. doi:10.1016/S0014-5793(97)00569-3. PMID 9224708.
- Chen P, Mayne M, Power C, Nath A (September 1997). "The Tat protein of HIV-1 induces tumor necrosis factor-alpha production. Implications for HIV-1-associated neurological diseases". The Journal of Biological Chemistry. 272 (36): 22385–8. doi:10.1074/jbc.272.36.22385. PMID 9278385.
- Reinton N, Haugen TB, Orstavik S, Skålhegg BS, Hansson V, Jahnsen T, Taskén K (April 1998). "The gene encoding the C gamma catalytic subunit of cAMP-dependent protein kinase is a transcribed retroposon". Genomics. 49 (2): 290–7. doi:10.1006/geno.1998.5240. PMID 9598317.
- Zidovetzki R, Wang JL, Chen P, Jeyaseelan R, Hofman F (July 1998). "Human immunodeficiency virus Tat protein induces interleukin 6 mRNA expression in human brain endothelial cells via protein kinase C- and cAMP-dependent protein kinase pathways". AIDS Research and Human Retroviruses. 14 (10): 825–33. doi:10.1089/aid.1998.14.825. PMID 9671211.
- Mayne M, Bratanich AC, Chen P, Rana F, Nath A, Power C (1998). "HIV-1 tat molecular diversity and induction of TNF-alpha: implications for HIV-induced neurological disease". Neuroimmunomodulation. 5 (3–4): 184–92. doi:10.1159/000026336. PMID 9730685.
- Cheung PC, Salt IP, Davies SP, Hardie DG, Carling D (March 2000). "Characterization of AMP-activated protein kinase gamma-subunit isoforms and their role in AMP binding". The Biochemical Journal. 346 Pt 3 (3): 659–69. doi:10.1042/0264-6021:3460659. PMC 1220898. PMID 10698692.
- Hamilton SR, Stapleton D, O'Donnell JB, Kung JT, Dalal SR, Kemp BE, Witters LA (July 2001). "An activating mutation in the gamma1 subunit of the AMP-activated protein kinase". FEBS Letters. 500 (3): 163–8. doi:10.1016/S0014-5793(01)02602-3. PMID 11445078.
- Minokoshi Y, Alquier T, Furukawa N, Kim YB, Lee A, Xue B, Mu J, Foufelle F, Ferré P, Birnbaum MJ, Stuck BJ, Kahn BB (April 2004). "AMP-kinase regulates food intake by responding to hormonal and nutrient signals in the hypothalamus". Nature. 428 (6982): 569–74. Bibcode:2004Natur.428..569M. doi:10.1038/nature02440. PMID 15058305.
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