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AP2B1 Antibody (Center) Blocking Peptide

Synthetic peptide

Product Information
Primary Accession P63010
Clone Names 100507288
Peptide ID 100507288
Additional Information
Gene ID 163
Other Names AP-2 complex subunit beta, AP105B, Adaptor protein complex AP-2 subunit beta, Adaptor-related protein complex 2 subunit beta, Beta-2-adaptin, Beta-adaptin, Clathrin assembly protein complex 2 beta large chain, Plasma membrane adaptor HA2/AP2 adaptin beta subunit, AP2B1, ADTB2, CLAPB1
Format Synthetic peptide was lyophilized with 100% acetonitrile and is supplied as a powder. Reconstitute with 0.1 ml DI water for a final concentration of 1 mg/ml.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C.
PrecautionsThis product is for research use only. Not for use in diagnostic or therapeutic procedures.
Protein Information
Name AP2B1
Synonyms ADTB2, CLAPB1
Function Component of the adaptor protein complex 2 (AP-2). Adaptor protein complexes function in protein transport via transport vesicles in different membrane traffic pathways. Adaptor protein complexes are vesicle coat components and appear to be involved in cargo selection and vesicle formation. AP-2 is involved in clathrin-dependent endocytosis in which cargo proteins are incorporated into vesicles surrounded by clathrin (clathrin- coated vesicles, CCVs) which are destined for fusion with the early endosome. The clathrin lattice serves as a mechanical scaffold but is itself unable to bind directly to membrane components. Clathrin-associated adaptor protein (AP) complexes which can bind directly to both the clathrin lattice and to the lipid and protein components of membranes are considered to be the major clathrin adaptors contributing the CCV formation. AP-2 also serves as a cargo receptor to selectively sort the membrane proteins involved in receptor-mediated endocytosis. AP-2 seems to play a role in the recycling of synaptic vesicle membranes from the presynaptic surface. AP-2 recognizes Y-X-X-[FILMV] (Y-X-X-Phi) and [ED]-X-X-X-L-[LI] endocytosis signal motifs within the cytosolic tails of transmembrane cargo molecules. AP-2 may also play a role in maintaining normal post-endocytic trafficking through the ARF6-regulated, non-clathrin pathway. The AP-2 beta subunit acts via its C-terminal appendage domain as a scaffolding platform for endocytic accessory proteins; at least some clathrin- associated sorting proteins (CLASPs) are recognized by their [DE]- X(1,2)-F-X-X-[FL]-X-X-X-R motif. The AP-2 beta subunit binds to clathrin heavy chain, promoting clathrin lattice assembly; clathrin displaces at least some CLASPs from AP2B1 which probably then can be positioned for further coat assembly.
Cellular Location Cell membrane. Membrane, coated pit; Peripheral membrane protein; Cytoplasmic side. Note=AP-2 appears to be excluded from internalizing CCVs and to disengage from sites of endocytosis seconds before internalization of the nascent CCV
Research Areas
Citations (0)

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The protein encoded by this gene is one of two large chaincomponents of the assembly protein complex 2, which serves to linkclathrin to receptors in coated vesicles. The encoded protein isfound on the cytoplasmic face of coated vesicles in the plasmamembrane. Two transcript variants encoding different isoforms havebeen found for this gene.


Kahlfeldt, N., et al. J. Biol. Chem. 285(4):2734-2749(2010)Hood, F.E., et al. J. Cell. Sci. 122 (PT 13), 2185-2190 (2009) :Grass, B., et al. Histopathology 54(7):873-879(2009)Keyel, P.A., et al. Mol. Biol. Cell 19(12):5309-5326(2008)Rikova, K., et al. Cell 131(6):1190-1203(2007)

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$ 80.00
Cat# BP14961c
(40 western blots)
Availability: In Stock
Bulk Size
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