Rabbit Polyclonal AP-2 complex subunit alpha-1 antibody. Suitable for IP, WB and reacts with Human samples. Immunogen corresponding to Synthetic Peptide within Human AP2A1 aa 600-650.
pH: 7 - 8
Preservative: 0.09% Sodium azide
Constituents: 99% Tris citrate/phosphate
IP | WB | |
---|---|---|
Human | Tested | Tested |
Chimpanzee | Predicted | Predicted |
Common marmoset | Predicted | Predicted |
Cynomolgus monkey | Predicted | Predicted |
Ferret | Predicted | Predicted |
Horse | Predicted | Predicted |
Rhesus monkey | Predicted | Predicted |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 2.00000-10.00000 µg/mg of lysate | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Horse, Chimpanzee, Ferret, Cynomolgus monkey, Rhesus monkey, Common marmoset | Dilution info - | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Human | Dilution info 1/2000.00000 - 1/10000.00000 | Notes - |
Species | Dilution info | Notes |
---|---|---|
Species Horse, Chimpanzee, Ferret, Cynomolgus monkey, Rhesus monkey, Common marmoset | Dilution info - | Notes - |
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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. During long-term potentiation in hippocampal neurons, AP-2 is responsible for the endocytosis of ADAM10 (PubMed:23676497). The AP-2 alpha subunit binds polyphosphoinositide-containing lipids, positioning AP-2 on the membrane. The AP-2 alpha subunit acts via its C-terminal appendage domain as a scaffolding platform for endocytic accessory proteins. The AP-2 alpha and AP-2 sigma subunits are thought to contribute to the recognition of the [ED]-X-X-X-L-[LI] motif (By similarity).
ADTAA, CLAPA1, AP2A1, AP-2 complex subunit alpha-1, 100 kDa coated vesicle protein A, Adaptor protein complex AP-2 subunit alpha-1, Adaptor-related protein complex 2 subunit alpha-1, Alpha-adaptin A, Alpha1-adaptin, Clathrin assembly protein complex 2 alpha-A large chain, Plasma membrane adaptor HA2/AP2 adaptin alpha A subunit
Rabbit Polyclonal AP-2 complex subunit alpha-1 antibody. Suitable for IP, WB and reacts with Human samples. Immunogen corresponding to Synthetic Peptide within Human AP2A1 aa 600-650.
pH: 7 - 8
Preservative: 0.09% Sodium azide
Constituents: 99% Tris citrate/phosphate
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The AP-2 complex subunit alpha-1 also known as AP2A1 is a protein subunit part of the adaptor protein complex 2 (AP2) involved in clathrin-mediated endocytosis. The protein has a mass of about 105 kDa and is expressed in various tissues including the brain and lung. It mediates interactions between cargo proteins and clathrin facilitating the formation of clathrin-coated vesicles. By binding to phosphoinositides and specific motifs in the cargo proteins it regulates their sequestration into vesicles making it a central player in cellular trafficking.
AP2A1 plays a critical role in vesicle-mediated transport by forming part of the AP2 complex which includes other subunits such as beta μ and sigma subunits. This complex ensures the specific and efficient endocytosis of receptor proteins and lipids influencing receptor recycling and signaling. Its participation in the AP2 complex affects cellular functions like nutrient uptake signal transduction and membrane protein turnover highlighting its functional diversity within cellular processes.
The function of AP2A1 integrates into the clathrin-mediated endocytic pathway and the receptor-mediated endocytosis pathway. These pathways are essential for internalizing nutrients hormones and other signaling molecules. The AP2 complex collaborates with proteins such as clathrin and dynamin facilitating clathrin-coated vesicle formation and subsequent vesicle scission from the plasma membrane. The association with dynamin highlights AP2A1's role in vesicle budding and release reflecting its significance in membrane trafficking and cellular homeostasis.
AP2A1 has connections to neurological disorders and cancer. Disruptions in the clathrin-mediated endocytic functions attributed to AP2A1 anomalies can lead to neurological diseases like Alzheimer's disease due to impaired amyloid-beta precursor protein processing. Abnormal endocytic trafficking can also influence cancer progression as receptor signaling variances affect cell proliferation and survival. The interaction of AP2A1 within these pathways involves proteins such as amyloid precursor protein in Alzheimer's and various receptor tyrosine kinases in cancer underlining its pathological relevance in disease mechanisms.
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Lysates prepared using NETN lysis buffer.
All lanes: Western blot - Anti-AP-2 complex subunit alpha-1 antibody (ab205222) at 0.1 µg/mL
Lane 1: HeLa whole cell lysate at 50 µg
Lane 2: 293T whole cell lysate at 50 µg
Lane 3: Jurkat whole cell lysate at 50 µg
Developed using the ECL technique.
Predicted band size: 108 kDa
Exposure time: 10s
Detection of AP-2 complex subunit alpha-1 in immunoprecipitates of 293T whole cell lysate (prepared using NETN lysis buffer; 1 mg for IP, 20% of IP loaded) using ab205222 at 6 μg/mg lysate for IP and at 0.1 μg/ml for subsequent Western blot detection (Lane 1). Lane 2 represents control IgG IP.
Detection: Chemiluminescence with an exposure time of 10 seconds.
All lanes: Immunoprecipitation - Anti-AP-2 complex subunit alpha-1 antibody (ab205222)
Predicted band size: 108 kDa
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