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TNKS

Introduction

Tankyrase-1 is an enzyme that in humans is encoded by the TNKS gene.[1][2][3]

Description[4]

Description[4]

Tankyrase-1 is a poly-ADP-ribosyltransferase involved in various processes such as Wnt signaling pathway, telomere length and vesicle trafficking. Acts as an activator of the Wnt signaling pathway by mediating poly-ADP-ribosylation (PARsylation) of AXIN1 and AXIN2, 2 key components of the beta-catenin destruction complex: poly-ADP-ribosylated target proteins are recognized by RNF146, which mediates their ubiquitination and subsequent degradation. Also mediates PARsylation of BLZF1 and CASC3, followed by recruitment of RNF146 and subsequent ubiquitination. Mediates PARsylation of TERF1, thereby contributing to the regulation of telomere length. Involved in centrosome maturation during prometaphase by mediating PARsylation of HEPACAM2/MIKI. May also regulate vesicle trafficking and modulate the subcellular distribution of SLC2A4/GLUT4-vesicles. May be involved in spindle pole assembly through PARsylation of NUMA1. Stimulates 26S proteasome activity.[5]

Protein interactions

Protein interactions

TNKS has been shown to interact with:

References

References

  1. ↑ 1.0 1.1 Smith S, Giriat I, Schmitt A, de Lange T (Dec 1998). “Tankyrase, a poly(ADP-ribose) polymerase at human telomeres”. Science. 282 (5393): 1484–7. doi:10.1126/science.282.5393.1484. PMIDΒ 9822378.
  2. ↑ Zhu L, Smith S, de Lange T, Seldin MF (May 1999). “Chromosomal mapping of the tankyrase gene in human and mouse”. Genomics. 57 (2): 320–1. doi:10.1006/geno.1999.5771. PMIDΒ 10198177.
  3. ↑ “Entrez Gene: TNKS tankyrase, TRF1-interacting ankyrin-related ADP-ribose polymerase”.
  4. ↑ https://www.uniprot.org/uniprot/O95271
  5. ↑ Voges D, Zwickl P, Baumeister W (1999). “The 26S proteasome: a molecular machine designed for controlled proteolysis”. Annu. Rev. Biochem. 68: 1015–68. doi:10.1146/annurev.biochem.68.1.1015. PMIDΒ 10872471.
  6. ↑ Fuchs U, Rehkamp GF, Slany R, Follo M, Borkhardt A (Nov 2003). “The formin-binding protein 17, FBP17, binds via a TNKS binding motif to tankyrase, a protein involved in telomere maintenance”. FEBS Lett. 554 (1–2): 10–6. doi:10.1016/s0014-5793(03)01063-9. PMIDΒ 14596906.
  7. ↑ Bae J, Donigian JR, Hsueh AJ (Feb 2003). “Tankyrase 1 interacts with Mcl-1 proteins and inhibits their regulation of apoptosis”. J. Biol. Chem. 278 (7): 5195–204. doi:10.1074/jbc.M201988200. PMIDΒ 12475993.
  8. ↑ 8.0 8.1 Seimiya H, Smith S (Apr 2002). “The telomeric poly(ADP-ribose) polymerase, tankyrase 1, contains multiple binding sites for telomeric repeat binding factor 1 (TRF1) and a novel acceptor, 182-kDa tankyrase-binding protein (TAB182)”. J. Biol. Chem. 277 (16): 14116–26. doi:10.1074/jbc.M112266200. PMIDΒ 11854288.
  9. ↑ 9.0 9.1 Sbodio JI, Chi NW (Aug 2002). “Identification of a tankyrase-binding motif shared by IRAP, TAB182, and human TRF1 but not mouse TRF1. NuMA contains this RXXPDG motif and is a novel tankyrase partner”. J. Biol. Chem. 277 (35): 31887–92. doi:10.1074/jbc.M203916200. PMIDΒ 12080061.
  10. ↑ Cook BD, Dynek JN, Chang W, Shostak G, Smith S (Jan 2002). “Role for the related poly(ADP-Ribose) polymerases tankyrase 1 and 2 at human telomeres”. Mol. Cell. Biol. 22 (1): 332–42. doi:10.1128/mcb.22.1.332-342.2002. PMCΒ 134233. PMIDΒ 11739745.
  11. ↑ Sbodio JI, Lodish HF, Chi NW (Feb 2002). “Tankyrase-2 oligomerizes with tankyrase-1 and binds to both TRF1 (telomere-repeat-binding factor 1) and IRAP (insulin-responsive aminopeptidase)”. Biochem. J. 361 (Pt 3): 451–9. doi:10.1042/0264-6021:3610451. PMCΒ 1222327. PMIDΒ 11802774.
Further reading

Further reading