RPS6KA1

HU-1 redirects here. For the helicopter, see UH-1 Iroquois.

Ribosomal protein S6 kinase, 90kDa, polypeptide 1

Rendering based on PDB 2WNT.

Available structures

Ortholog search: PDBe, RCSB

List of PDB id codes
2WNT, 2Z7Q, 2Z7R, 2Z7S, 3RNY, 3TEI, 4H3P

Identifiers

Symbols

RPS6KA1 ; HU-1; MAPKAPK1A; RSK; RSK1

External IDs

OMIM: 601684 MGI: 104558 HomoloGene: 55703 IUPHAR: 1527 ChEMBL: 2553 GeneCards: RPS6KA1 Gene

EC number

2.7.11.1

Gene ontology
Molecular function	• magnesium ion binding • protein serine/threonine kinase activity • protein serine/threonine/tyrosine kinase activity • protein binding • ATP binding • cysteine-type endopeptidase inhibitor activity involved in apoptotic process
Cellular component	• nucleus • nucleoplasm • cytoplasm • spindle • cytosol
Biological process	• toll-like receptor signaling pathway • MyD88-dependent toll-like receptor signaling pathway • MyD88-independent toll-like receptor signaling pathway • protein phosphorylation • cell cycle • signal transduction • synaptic transmission • axon guidance • positive regulation of cell growth • toll-like receptor 2 signaling pathway • toll-like receptor 3 signaling pathway • toll-like receptor 4 signaling pathway • toll-like receptor 5 signaling pathway • toll-like receptor 9 signaling pathway • toll-like receptor 10 signaling pathway • TRIF-dependent toll-like receptor signaling pathway • toll-like receptor TLR1:TLR2 signaling pathway • toll-like receptor TLR6:TLR2 signaling pathway • negative regulation of apoptotic process • negative regulation of cysteine-type endopeptidase activity involved in apoptotic process • regulation of translation in response to stress • regulation of DNA-templated transcription in response to stress • innate immune response • positive regulation of cell differentiation • positive regulation of transcription from RNA polymerase II promoter • neurotrophin TRK receptor signaling pathway • stress-activated MAPK cascade • positive regulation of hepatic stellate cell activation
Sources: Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 1:
26.53 – 26.58 Mb

Chr 4:
133.85 – 133.89 Mb

PubMed search

Ribosomal protein S6 kinase alpha-1 is an enzyme that in humans is encoded by the RPS6KA1 gene.^[1]

This gene encodes a member of the RSK (ribosomal S6 kinase) family of serine/threonine kinases. This kinase contains 2 nonidentical kinase catalytic domains and phosphorylates various substrates, including members of the mitogen-activated kinase (MAPK) signalling pathway. The activity of this protein has been implicated in controlling cell growth and differentiation. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.^[2]

Interactions

RPS6KA1 has been shown to interact with YWHAB,^[3] MAPK1,^[4]^[5]^[6] IκBα,^[7] TOB1^[8] and TSC2.^[9]^[10]

References

↑ Moller DE, Xia CH, Tang W, Zhu AX, Jakubowski M (April 1994). "Human rsk isoforms: cloning and characterization of tissue-specific expression". Am J Physiol 266 (2 Pt 1): C351–9. PMID 8141249.
↑ "Entrez Gene: RPS6KA1 ribosomal protein S6 kinase, 90kDa, polypeptide 1".
↑ Cavet, Megan E; Lehoux Stephanie; Berk Bradford C (May 2003). "14-3-3beta is a p90 ribosomal S6 kinase (RSK) isoform 1-binding protein that negatively regulates RSK kinase activity". J. Biol. Chem. (United States) 278 (20): 18376–83. doi:10.1074/jbc.M208475200. ISSN 0021-9258. PMID 12618428.
↑ Roux, Philippe P; Richards Stephanie A; Blenis John (July 2003). "Phosphorylation of p90 ribosomal S6 kinase (RSK) regulates extracellular signal-regulated kinase docking and RSK activity". Mol. Cell. Biol. (United States) 23 (14): 4796–804. doi:10.1128/MCB.23.14.4796-4804.2003. ISSN 0270-7306. PMC 162206. PMID 12832467.
↑ Eblen, Scott T; Kumar N Vinay; Shah Kavita; Henderson Michelle J; Watts Colin K W; Shokat Kevan M; Weber Michael J (April 2003). "Identification of novel ERK2 substrates through use of an engineered kinase and ATP analogs". J. Biol. Chem. (United States) 278 (17): 14926–35. doi:10.1074/jbc.M300485200. ISSN 0021-9258. PMID 12594221.
↑ Smith, J A; Poteet-Smith C E; Malarkey K; Sturgill T W (January 1999). "Identification of an extracellular signal-regulated kinase (ERK) docking site in ribosomal S6 kinase, a sequence critical for activation by ERK in vivo". J. Biol. Chem. (UNITED STATES) 274 (5): 2893–8. doi:10.1074/jbc.274.5.2893. ISSN 0021-9258. PMID 9915826.
↑ Schouten, G J; Vertegaal A C, Whiteside S T, Israël A, Toebes M, Dorsman J C, van der Eb A J, Zantema A (June 1997). "IkappaB alpha is a target for the mitogen-activated 90 kDa ribosomal S6 kinase". EMBO J. (ENGLAND) 16 (11): 3133–44. doi:10.1093/emboj/16.11.3133. ISSN 0261-4189. PMC 1169932. PMID 9214631.
↑ Suzuki, T; Matsuda S; Tsuzuku J K; Yoshida Y; Yamamoto T (February 2001). "A serine/threonine kinase p90rsk1 phosphorylates the anti-proliferative protein Tob". Genes Cells (England) 6 (2): 131–8. doi:10.1046/j.1365-2443.2001.00406.x. ISSN 1356-9597. PMID 11260258.
↑ Roux, Philippe P; Ballif Bryan A; Anjum Rana; Gygi Steven P; Blenis John (September 2004). "Tumor-promoting phorbol esters and activated Ras inactivate the tuberous sclerosis tumor suppressor complex via p90 ribosomal S6 kinase". Proc. Natl. Acad. Sci. U.S.A. (United States) 101 (37): 13489–94. doi:10.1073/pnas.0405659101. ISSN 0027-8424. PMC 518784. PMID 15342917.
↑ Rolfe, Mark; McLeod Laura E; Pratt Phillip F; Proud Christopher G (June 2005). "Activation of protein synthesis in cardiomyocytes by the hypertrophic agent phenylephrine requires the activation of ERK and involves phosphorylation of tuberous sclerosis complex 2 (TSC2)". Biochem. J. (England) 388 (Pt 3): 973–84. doi:10.1042/BJ20041888. PMC 1183479. PMID 15757502.

Chen RH, Sarnecki C, Blenis J (1992). "Nuclear localization and regulation of erk- and rsk-encoded protein kinases.". Mol. Cell. Biol. 12 (3): 915–27. PMC 369523. PMID 1545823.
Tratner I, Ofir R, Verma IM (1992). "Alteration of a cyclic AMP-dependent protein kinase phosphorylation site in the c-Fos protein augments its transforming potential.". Mol. Cell. Biol. 12 (3): 998–1006. PMC 369532. PMID 1545828.
Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides.". Gene 138 (1–2): 171–4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
Chen RH, Abate C, Blenis J (1994). "Phosphorylation of the c-Fos transrepression domain by mitogen-activated protein kinase and 90-kDa ribosomal S6 kinase". Proc. Natl. Acad. Sci. U.S.A. 90 (23): 10952–6. doi:10.1073/pnas.90.23.10952. PMC 47899. PMID 8248197.
Rivera VM, Miranti CK, Misra RP et al. (1993). "A growth factor-induced kinase phosphorylates the serum response factor at a site that regulates its DNA-binding activity". Mol. Cell. Biol. 13 (10): 6260–73. PMC 364685. PMID 8413226.
Chen ZJ, Parent L, Maniatis T (1996). "Site-specific phosphorylation of IkappaBalpha by a novel ubiquitination-dependent protein kinase activity". Cell 84 (6): 853–62. doi:10.1016/S0092-8674(00)81064-8. PMID 8601309.
Barge RM, de Koning JP, Pouwels K et al. (1996). "Tryptophan 650 of human granulocyte colony-stimulating factor (G-CSF) receptor, implicated in the activation of JAK2, is also required for G-CSF-mediated activation of signaling complexes of the p21ras route". Blood 87 (6): 2148–53. PMID 8630373.
Wong EV, Schaefer AW, Landreth G, Lemmon V (1996). "Involvement of p90rsk in neurite outgrowth mediated by the cell adhesion molecule L1". J. Biol. Chem. 271 (30): 18217–23. doi:10.1074/jbc.271.30.18217. PMID 8663493.
Xing J, Ginty DD, Greenberg ME (1996). "Coupling of the RAS-MAPK pathway to gene activation by RSK2, a growth factor-regulated CREB kinase". Science 273 (5277): 959–63. doi:10.1126/science.273.5277.959. PMID 8688081.
Nakajima T, Fukamizu A, Takahashi J et al. (1996). "The signal-dependent coactivator CBP is a nuclear target for pp90RSK". Cell 86 (3): 465–74. doi:10.1016/S0092-8674(00)80119-1. PMID 8756728.
Zhao Y, Bjorbaek C, Moller DE (1997). "Regulation and interaction of pp90(rsk) isoforms with mitogen-activated protein kinases". J. Biol. Chem. 271 (47): 29773–9. doi:10.1074/jbc.271.47.29773. PMID 8939914.
Zaheer A, Lim R (1997). "Protein kinase A (PKA)- and protein kinase C-phosphorylated glia maturation factor promotes the catalytic activity of PKA". J. Biol. Chem. 272 (8): 5183–6. doi:10.1074/jbc.272.8.5183. PMID 9030586.
Schouten GJ, Vertegaal AC, Whiteside ST et al. (1997). "IkappaB alpha is a target for the mitogen-activated 90 kDa ribosomal S6 kinase". EMBO J. 16 (11): 3133–44. doi:10.1093/emboj/16.11.3133. PMC 1169932. PMID 9214631.
Li HL, Forman MS, Kurosaki T, Puré E (1997). "Syk is required for BCR-mediated activation of p90Rsk, but not p70S6k, via a mitogen-activated protein kinase-independent pathway in B cells". J. Biol. Chem. 272 (29): 18200–8. doi:10.1074/jbc.272.29.18200. PMID 9218456.
Chang YW, Traugh JA (1997). "Phosphorylation of elongation factor 1 and ribosomal protein S6 by multipotential S6 kinase and insulin stimulation of translational elongation". J. Biol. Chem. 272 (45): 28252–7. doi:10.1074/jbc.272.45.28252. PMID 9353277.
Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library". Gene 200 (1–2): 149–56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
del Peso L, González-García M, Page C et al. (1997). "Interleukin-3-induced phosphorylation of BAD through the protein kinase Akt". Science 278 (5338): 687–9. doi:10.1126/science.278.5338.687. PMID 9381178.
Dalby KN, Morrice N, Caudwell FB et al. (1998). "Identification of regulatory phosphorylation sites in mitogen-activated protein kinase (MAPK)-activated protein kinase-1a/p90rsk that are inducible by MAPK". J. Biol. Chem. 273 (3): 1496–505. doi:10.1074/jbc.273.3.1496. PMID 9430688.
Joel PB, Smith J, Sturgill TW et al. (1998). "pp90rsk1 regulates estrogen receptor-mediated transcription through phosphorylation of Ser-167". Mol. Cell. Biol. 18 (4): 1978–84. PMC 121427. PMID 9528769.

Kinases: Serine/threonine-specific protein kinases (EC 2.7.11-12)

Serine/threonine-specific protein kinases (EC 2.7.11.1-EC 2.7.11.20)

Non-specific serine/threonine protein kinases (EC 2.7.11.1)	LATS1 LATS2 MAST1 MAST2 STK38 STK38L CIT ROCK1 SGK SGK2 SGK3 Protein kinase B AKT1 AKT2 AKT3 Ataxia telangiectasia mutated Mammalian target of rapamycin EIF-2 kinases PKR HRI EIF2AK3 EIF2AK4 Wee1 WEE1

Pyruvate dehydrogenase kinase (EC 2.7.11.2)	PDK1 PDK2 PDK3

Dephospho-(reductase kinase) kinase (EC 2.7.11.3)	AMP-activated protein kinase α PRKAA1 PRKAA2 β PRKAB1 PRKAB2 γ PRKAG1 PRKAG2 PRKAG3

(3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)) (EC 2.7.11.4)	BCKDK BCKDHA BCKDHB

(isocitrate dehydrogenase (NADP+)) kinase (EC 2.7.11.5)	IDH2 IDH3A IDH3B IDH3G

(tyrosine 3-monooxygenase) kinase (EC 2.7.11.6)	STK4

Myosin-heavy-chain kinase (EC 2.7.11.7)	Aurora kinase Aurora A kinase Aurora B kinase

Fas-activated serine/threonine kinase (EC 2.7.11.8)	FASTK STK10

Goodpasture-antigen-binding protein kinase (EC 2.7.11.9)	-

IκB kinase (EC 2.7.11.10)	CHUK IKK2 TBK1 IKBKE IKBKG IKBKAP

cAMP-dependent protein kinase (EC 2.7.11.11)	Protein kinase A PRKACG PRKACB PRKACA PRKY

cGMP-dependent protein kinase (EC 2.7.11.12)	Protein kinase G PRKG1

Protein kinase C (EC 2.7.11.13)	Protein kinase C Protein kinase Cζ PKC alpha PRKCB1 PRKCD PRKCE PRKCH PRKCG PRKCI PRKCQ Protein kinase N1 PKN2 PKN3

Rhodopsin kinase (EC 2.7.11.14)	Rhodopsin kinase

Beta adrenergic receptor kinase (EC 2.7.11.15)	Beta adrenergic receptor kinase Beta adrenergic receptor kinase-2

G-protein coupled receptor kinases (EC 2.7.11.16)	GRK4 GRK5 GRK6

Ca2+/calmodulin-dependent (EC 2.7.11.17)	BRSK2 CAMK1 CAMK2A CAMK2B CAMK2D CAMK2G CAMK4 MLCK CASK CHEK1 CHEK2 DAPK1 DAPK2 DAPK3 STK11 MAPKAPK2 MAPKAPK3 MAPKAPK5 MARK1 MARK2 MARK3 MARK4 MELK MKNK1 MKNK2 NUAK1 NUAK2 OBSCN PASK PHKG1 PHKG2 PIM1 PIM2 PKD1 PRKD2 PRKD3 PSKH1 SNF1LK2 KIAA0999 STK40 SNF1LK SNRK SPEG TSSK2 Kalirin TRIB1 TRIB2 TRIB3 TRIO Titin DCLK1

Myosin light-chain kinase (EC 2.7.11.18)	MYLK MYLK2 MYLK3 MYLK4

Phosphorylase kinase (EC 2.7.11.19)	PHKA1 PHKA2 PHKB PHKG1 PHKG2

Elongation factor 2 kinase (EC 2.7.11.20)	EEF2K STK19

Polo kinase (EC 2.7.11.21)	PLK1 PLK2 PLK3 PLK4

Serine/threonine-specific protein kinases (EC 2.7.11.21-EC 2.7.11.30)

Polo kinase (EC 2.7.11.21)	PLK1 PLK2 PLK3 PLK4

Cyclin-dependent kinase (EC 2.7.11.22)	CDK1 CDK2 CDKL2 CDK3 CDK4 CDK5 CDKL5 CDK6 CDK7 CDK8 CDK9 CDK10 CDC2L5 CRKRS PCTK1 PCTK2 PCTK3 PFTK1 CDC2L1

(RNA-polymerase)-subunit kinase (EC 2.7.11.23)	RPS6KA5 RPS6KA4 P70S6 kinase P70-S6 Kinase 1 RPS6KB2 RPS6KA2 RPS6KA3 RPS6KA1 RPS6KC1

Mitogen-activated protein kinase (EC 2.7.11.24)	Extracellular signal-regulated MAPK1 MAPK3 MAPK4 MAPK6 MAPK7 MAPK12 MAPK15 C-Jun N-terminal MAPK8 MAPK9 MAPK10 P38 mitogen-activated protein MAPK11 MAPK13 MAPK14

MAP3K (EC 2.7.11.25)	MAP kinase kinase kinases MAP3K1 MAP3K2 MAP3K3 MAP3K4 MAP3K5 MAP3K6 MAP3K7 MAP3K8 RAFs ARAF BRAF KSR1 KSR2 MLKs MAP3K12 MAP3K13 MAP3K9 MAP3K10 MAP3K11 MAP3K7 ZAK CDC7 MAP3K14

Tau-protein kinase (EC 2.7.11.26)	TPK1 TTK GSK-3

(acetyl-CoA carboxylase) kinase (EC 2.7.11.27)	-

Tropomyosin kinase (EC 2.7.11.28)	-

Low-density-lipoprotein receptor kinase (EC 2.7.11.29)	-

Receptor protein serine/threonine kinase (EC 2.7.11.30)	Bone morphogenetic protein receptors BMPR1 BMPR1A BMPR1B BMPR2 ACVR1 ACVR1B ACVR1C ACVR2A ACVR2B ACVRL1 Anti-Müllerian hormone receptor

Dual-specificity kinases (EC 2.7.12)

MAP2K	MAP2K1 MAP2K2 MAP2K3 MAP2K4 MAP2K5 MAP2K6 MAP2K7

Biochemistry overview
Enzymes overview
By EC number: 1.1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 10
- 11
- 13
- 14
- 15-18
2.1
- 2
- 3
- 4
- 5
- 6
- 7
  - 2.7.10
  - 11-12
- 8
3.1
- - 3.1.3.48
- 2
- 3
- 4
  - 3.4.21
  - 22
  - 23
  - 24
- 5
- 6
- 7
4.1
- 2
- 3
- 4
- 5
- 6
5.1
- 2
- 3
- 4
- 99
6.1-3
- 4
- 5-6

RPS6KA1

Interactions

See also

References

Further reading