Biology:AP4B1

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Generic protein structure example

AP-4 complex subunit beta-1 is a protein that in humans is encoded by the AP4B1 gene.[1][2]

Function

The heterotetrameric adaptor protein (AP) complexes sort integral membrane proteins at various stages of the endocytic and secretory pathways. AP4 is composed of 2 large chains, beta-4 (AP4B1, this protein) and epsilon-4 (AP4E1), a medium chain, mu-4 (AP4M1), and a small chain, sigma-4 (AP4S1)[2]

Interactions

AP4B1 has been shown to interact with AP4M1.[3]

Clinical relevance

AP4-complex-mediated trafficking plays a crucial role in brain development and functioning.[4][5]

References

External links

  • Human AP4B1 genome location and AP4B1 gene details page in the UCSC Genome Browser.
  • PDBe-KB provides an overview of all the structure information available in the PDB for Human AP-4 complex subunit beta-1

Further reading