PTK6

PTK6
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
AliasesPTK6, BRK, protein tyrosine kinase 6
External IDsMGI: 99683 HomoloGene: 68494 GeneCards: PTK6
Gene location (Human)
Chr.Chromosome 20 (human)[1]
Band20q13.33Start63,528,001 bp[1]
End63,537,370 bp[1]
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez

5753

20459

Ensembl

ENSG00000101213

ENSMUSG00000038751

UniProt

Q13882

Q64434

RefSeq (mRNA)

NM_001256358
NM_005975

NM_009184
NM_001356304

RefSeq (protein)

NP_001243287
NP_005966

NP_033210
NP_001343233

Location (UCSC)Chr 20: 63.53 – 63.54 MbChr 2: 181.19 – 181.2 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Tyrosine-protein kinase 6 is an enzyme that in humans is encoded by the PTK6 gene.[5][6][7]

Function

Tyrosine-protein kinase 6 (also known as Breast Tumor Kinase, Brk) is a cytoplasmic non-receptor protein kinase which may function as an intracellular signal transducer in epithelial tissues. The encoded protein has been shown to undergo autophosphorylation.[7]

Clinical significance

Overexpression of this gene in mammary epithelial cells leads to sensitization of the cells to epidermal growth factor and results in a partially transformed phenotype. Expression of this gene has been detected at low levels in some breast tumors but not in normal breast tissue.[7]

Interactions

PTK6 has been shown to interact with STAP2[8] and KHDRBS1.[9]

References

  1. 1 2 3 GRCh38: Ensembl release 89: ENSG00000101213 - Ensembl, May 2017
  2. 1 2 3 GRCm38: Ensembl release 89: ENSMUSG00000038751 - Ensembl, May 2017
  3. ↑ "Human PubMed Reference:".
  4. ↑ "Mouse PubMed Reference:".
  5. ↑ Lee ST, Strunk KM, Spritz RA (December 1993). "A survey of protein tyrosine kinase mRNAs expressed in normal human melanocytes". Oncogene. 8 (12): 3403–10. PMID 8247543.
  6. ↑ Park SH, Lee KH, Kim H, Lee ST (September 1997). "Assignment of the human PTK6 gene encoding a non-receptor protein tyrosine kinase to 20q13.3 by fluorescence in situ hybridization". Cytogenet Cell Genet. 77 (3–4): 271–2. doi:10.1159/000134595. PMID 9284935.
  7. 1 2 3 "Entrez Gene: PTK6 PTK6 protein tyrosine kinase 6".
  8. ↑ Mitchell, P J; Sara E A; Crompton M R (August 2000). "A novel adaptor-like protein which is a substrate for the non-receptor tyrosine kinase, BRK". Oncogene. ENGLAND. 19 (37): 4273–82. doi:10.1038/sj.onc.1203775. ISSN 0950-9232. PMID 10980601.
  9. ↑ Derry, J J; Richard S; Valderrama Carvajal H; Ye X; Vasioukhin V; Cochrane A W; Chen T; Tyner A L (August 2000). "Sik (BRK) Phosphorylates Sam68 in the Nucleus and Negatively Regulates Its RNA Binding Ability". Mol. Cell. Biol. UNITED STATES. 20 (16): 6114–26. doi:10.1128/MCB.20.16.6114-6126.2000. ISSN 0270-7306. PMC 86087. PMID 10913193.

Further reading

  • Serfas MS, Tyner AL (2003). "Brk, Srm, Frk, and Src42A form a distinct family of intracellular Src-like tyrosine kinases". Oncol. Res. 13 (6–10): 409–19. PMID 12725532.
  • Mitchell PJ, Barker KT, Martindale JE, et al. (1994). "Cloning and characterisation of cDNAs encoding a novel non-receptor tyrosine kinase, brk, expressed in human breast tumours". Oncogene. 9 (8): 2383–90. PMID 8036022.
  • Kamalati T, Jolin HE, Mitchell PJ, et al. (1997). "Brk, a breast tumor-derived non-receptor protein-tyrosine kinase, sensitizes mammary epithelial cells to epidermal growth factor". J. Biol. Chem. 271 (48): 30956–63. doi:10.1074/jbc.271.48.30956. PMID 8940083.
  • Lee H, Kim M, Lee KH, et al. (1998). "Exon-intron structure of the human PTK6 gene demonstrates that PTK6 constitutes a distinct family of non-receptor tyrosine kinase". Mol. Cells. 8 (4): 401–7. PMID 9749526.
  • Llor X, Serfas MS, Bie W, et al. (1999). "BRK/Sik expression in the gastrointestinal tract and in colon tumors". Clin. Cancer Res. 5 (7): 1767–77. PMID 10430081.
  • Derry JJ, Richard S, Valderrama Carvajal H, et al. (2000). "Sik (BRK) Phosphorylates Sam68 in the Nucleus and Negatively Regulates Its RNA Binding Ability". Mol. Cell. Biol. 20 (16): 6114–26. doi:10.1128/MCB.20.16.6114-6126.2000. PMC 86087. PMID 10913193.
  • Mitchell PJ, Sara EA, Crompton MR (2000). "A novel adaptor-like protein which is a substrate for the non-receptor tyrosine kinase, BRK". Oncogene. 19 (37): 4273–82. doi:10.1038/sj.onc.1203775. PMID 10980601.
  • Kamalati T, Jolin HE, Fry MJ, Crompton MR (2000). "Expression of the BRK tyrosine kinase in mammary epithelial cells enhances the coupling of EGF signalling to PI 3-kinase and Akt, via erbB3 phosphorylation". Oncogene. 19 (48): 5471–6. doi:10.1038/sj.onc.1203931. PMID 11114724.
  • Hong E, Shin J, Bang E, et al. (2001). "Complete sequence-specific 1H, 13C and 15N resonance assignments of the human PTK6 SH2 domain". J. Biomol. NMR. 19 (3): 291–2. doi:10.1023/A:1011221125013. PMID 11330822.
  • Deloukas P, Matthews LH, Ashurst J, et al. (2002). "The DNA sequence and comparative analysis of human chromosome 20". Nature. 414 (6866): 865–71. Bibcode:2001Natur.414..865D. doi:10.1038/414865a. PMID 11780052.
  • Kang KN, Kim M, Pae KM, Lee ST (2002). "Characterization of the 5'-flanking region of the human PTK6 gene". Biochim. Biophys. Acta. 1574 (3): 365–9. doi:10.1016/s0167-4781(02)00234-8. PMID 11997104.
  • Qiu H, Miller WT (2002). "Regulation of the nonreceptor tyrosine kinase Brk by autophosphorylation and by autoinhibition". J. Biol. Chem. 277 (37): 34634–41. doi:10.1074/jbc.M203877200. PMID 12121988.
  • Koo BK, Kim MH, Lee ST, Lee W (2002). "Purification and spectroscopic characterization of the human protein tyrosine kinase-6 SH3 domain". J. Biochem. Mol. Biol. 35 (3): 343–7. doi:10.5483/BMBRep.2002.35.3.343. PMID 12297019.
  • Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. Bibcode:2002PNAS...9916899M. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
  • Coyle JH, Guzik BW, Bor YC, et al. (2003). "Sam68 Enhances the Cytoplasmic Utilization of Intron-Containing RNA and Is Functionally Regulated by the Nuclear Kinase Sik/BRK". Mol. Cell. Biol. 23 (1): 92–103. doi:10.1128/MCB.23.1.92-103.2003. PMC 140664. PMID 12482964.
  • Derry JJ, Prins GS, Ray V, Tyner AL (2003). "Altered localization and activity of the intracellular tyrosine kinase BRK/Sik in prostate tumor cells". Oncogene. 22 (27): 4212–20. doi:10.1038/sj.onc.1206465. PMID 12833144.
  • Qiu H, Miller WT (2004). "Role of the Brk SH3 domain in substrate recognition". Oncogene. 23 (12): 2216–23. doi:10.1038/sj.onc.1207339. PMID 14676834.


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