APBA2

APBA2
Identifiers
AliasesAPBA2, D15S1518E, HsT16821, LIN-10, MGC:14091, MINT2, X11-BETA, X11L, amyloid beta precursor protein binding family A member 2
External IDsOMIM: 602712; MGI: 1261791; GeneCards: APBA2
Orthologs
DatabasesNCBI: entry; OMA: entry
SpeciesHumanMouse
Entrez
Ensembl
UniProt
RefSeq (mRNA)

NM_001291166
NM_001291167
NM_007461

RefSeq (protein)

NP_001278095
NP_001278096
NP_031487

Location (UCSC)Chr 15: 28.88 – 29.12 MbChr 7: 64.5 – 64.75 Mb
PubMed search[3][4]
Wikidata
View/Edit HumanView/Edit Mouse

Amyloid beta A4 precursor protein-binding family A member 2 is a protein that in humans is encoded by the APBA2 gene.[5][6]

Structure

This protein has phosphotyrosine-binding domain (PTB domain or PID) in the middle and two PDZ domains at C-terminal.

Function

The protein encoded by this gene is a member of the X11 protein family. It is a neuronal adaptor protein that interacts with the Alzheimer's disease amyloid precursor protein (APP). It stabilises APP and inhibits production of proteolytic APP fragments including the A beta peptide that is deposited in the brains of Alzheimer's disease patients. This gene product is believed to be involved in signal transduction processes. It is also regarded as a putative vesicular trafficking protein in the brain that can form a complex with the potential to couple synaptic vesicle exocytosis to neuronal cell adhesion.[6]

Interactions

APBA2 has been shown to interact with CLSTN1,[7][8] RELA[9] and amyloid precursor protein.[7][10][11]

References

  1. ^ a b c ENSG00000276495 GRCh38: Ensembl release 89: ENSG00000034053, ENSG00000276495Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000030519Ensembl, May 2017
  3. ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  4. ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  5. ^ McLoughlin DM, Miller CC (January 1997). "The intracellular cytoplasmic domain of the Alzheimer's disease amyloid precursor protein interacts with phosphotyrosine-binding domain proteins in the yeast two-hybrid system". FEBS Lett. 397 (2–3): 197–200. doi:10.1016/S0014-5793(96)01128-3. PMID 8955346.
  6. ^ a b "Entrez Gene: APBA2 amyloid beta (A4) precursor protein-binding, family A, member 2 (X11-like)".
  7. ^ a b Araki Y, Tomita S, Yamaguchi H, Miyagi N, Sumioka A, Kirino Y, Suzuki T (December 2003). "Novel cadherin-related membrane proteins, Alcadeins, enhance the X11-like protein-mediated stabilization of amyloid beta-protein precursor metabolism". J. Biol. Chem. 278 (49): 49448–58. doi:10.1074/jbc.M306024200. PMID 12972431.
  8. ^ Araki Y, Miyagi N, Kato N, Yoshida T, Wada S, Nishimura M, Komano H, Yamamoto T, De Strooper B, Yamamoto K, Suzuki T (June 2004). "Coordinated metabolism of Alcadein and amyloid beta-protein precursor regulates FE65-dependent gene transactivation". J. Biol. Chem. 279 (23): 24343–54. doi:10.1074/jbc.M401925200. PMID 15037614.
  9. ^ Tomita S, Fujita T, Kirino Y, Suzuki T (April 2000). "PDZ domain-dependent suppression of NF-kappaB/p65-induced Abeta42 production by a neuron-specific X11-like protein". J. Biol. Chem. 275 (17): 13056–60. doi:10.1074/jbc.C000019200. PMID 10777610.
  10. ^ Biederer T, Cao X, Südhof TC, Liu X (September 2002). "Regulation of APP-dependent transcription complexes by Mint/X11s: differential functions of Mint isoforms". J. Neurosci. 22 (17): 7340–51. doi:10.1523/JNEUROSCI.22-17-07340.2002. PMC 6757996. PMID 12196555.
  11. ^ Tomita S, Ozaki T, Taru H, Oguchi S, Takeda S, Yagi Y, Sakiyama S, Kirino Y, Suzuki T (January 1999). "Interaction of a neuron-specific protein containing PDZ domains with Alzheimer's amyloid precursor protein". J. Biol. Chem. 274 (4): 2243–54. doi:10.1074/jbc.274.4.2243. PMID 9890987.

Further reading


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