Tight junction protein 2

TJP2
Available structures
PDBOrtholog search: PDBe RCSB
Identifiers
Aliases TJP2, C9DUPq21.11, DFNA51, DUP9q21.11, PFIC4, X104, ZO2, Tight junction protein 2
External IDs MGI: 1341872 HomoloGene: 3541 GeneCards: TJP2
Genetically Related Diseases
refractive error[1]
RNA expression pattern
More reference expression data
Orthologs
Species Human Mouse
Entrez

9414

21873

Ensembl

ENSG00000119139

ENSMUSG00000024812

UniProt

Q9UDY2

Q9Z0U1

RefSeq (mRNA)

NM_001198985
NM_011597

RefSeq (protein)

NP_001163886.1
NP_001163887.1
NP_001164101.1
NP_004808.2

NP_035727.2

Location (UCSC) Chr 9: 69.12 – 69.26 Mb Chr 19: 24.09 – 24.23 Mb
PubMed search [2] [3]
Wikidata
View/Edit HumanView/Edit Mouse

Tight junction protein ZO-2 is a protein that in humans is encoded by the TJP2 gene.[4]

Tight junction proteins (TJPs) belong to a family of membrane-associated guanylate kinase (MAGUK) homologs that are involved in the organization of epithelial and endothelial intercellular junctions. TJPs bind to the cytoplasmic C termini of junctional transmembrane proteins and link them to the actin cytoskeleton.[supplied by OMIM][5]

Interactions

Tight junction protein 2 has been shown to interact with Tight junction protein 1,[6][7][8] Band 4.1[9] and Occludin.[6][7][10]

References

  1. "Diseases that are genetically associated with TJP2 view/edit references on wikidata".
  2. "Human PubMed Reference:".
  3. "Mouse PubMed Reference:".
  4. Duclos F, Rodius F, Wrogemann K, Mandel JL, Koenig M (November 1994). "The Friedreich ataxia region: characterization of two novel genes and reduction of the critical region to 300 kb". Hum Mol Genet. 3 (6): 909–914. doi:10.1093/hmg/3.6.909. PMID 7951235.
  5. "Entrez Gene: TJP2 tight junction protein 2 (zona occludens 2)".
  6. 1 2 Itoh, M; Morita K; Tsukita S (February 1999). "Characterization of ZO-2 as a MAGUK family member associated with tight as well as adherens junctions with a binding affinity to occludin and alpha catenin". J. Biol. Chem. UNITED STATES. 274 (9): 5981–5986. doi:10.1074/jbc.274.9.5981. ISSN 0021-9258. PMID 10026224.
  7. 1 2 Wittchen, E S; Haskins J; Stevenson B R (December 1999). "Protein interactions at the tight junction. Actin has multiple binding partners, and ZO-1 forms independent complexes with ZO-2 and ZO-3". J. Biol. Chem. UNITED STATES. 274 (49): 35179–35185. doi:10.1074/jbc.274.49.35179. ISSN 0021-9258. PMID 10575001.
  8. Fanning, A S; Jameson B J; Jesaitis L A; Anderson J M (November 1998). "The tight junction protein ZO-1 establishes a link between the transmembrane protein occludin and the actin cytoskeleton". J. Biol. Chem. UNITED STATES. 273 (45): 29745–29753. doi:10.1074/jbc.273.45.29745. ISSN 0021-9258. PMID 9792688.
  9. Mattagajasingh, S N; Huang S C; Hartenstein J S; Benz E J (September 2000). "Characterization of the interaction between protein 4.1R and ZO-2. A possible link between the tight junction and the actin cytoskeleton". J. Biol. Chem. UNITED STATES. 275 (39): 30573–30585. doi:10.1074/jbc.M004578200. ISSN 0021-9258. PMID 10874042.
  10. Peng, Bi-Hung; Lee J Ching; Campbell Gerald A (December 2003). "In vitro protein complex formation with cytoskeleton-anchoring domain of occludin identified by limited proteolysis". J. Biol. Chem. United States. 278 (49): 49644–49651. doi:10.1074/jbc.M302782200. ISSN 0021-9258. PMID 14512431.

Further reading


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