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Specifications

Clone Host Grade Applications Monoclonal Mouse Purified B IP IF

Clathrin-mediated endocytosis is the pathway by which many receptors for nutrients and hormones are internalized to be recycled or down-regulated. During formation of clathrin coated membranes, clathrin co-assembles with heterotetrameric molecules known as assembly polypeptides (APs) or adaptors which form a layer of protein coat between the clathrin lattice and the membrane. There are two characterized adaptors AP1 and AP2. AP1 is associated with clathrin coated vesicles at the trans-Golgi network and AP2 is associated with the endocytic clathrin coated vesicles at the plasma membrane and has been shown to specifically interact with Shc and EGF receptor. AP2 is composed of four subunits, two separate 100kD gene products with similar domain structures (alpha and beta adaptin) and a 50 and 17kD subunit. There are two alpha-adaptin genes, alpha A and alpha C which have a tissue specific pattern of expression.
Catalog #	A0859-90D
Applications
	Suitable for use in Immunoprecipitation, Blocking, Immunofluorescence and Western Blot. Other applications not tested.
Recommended Dilutions	Immunofluorescence: 1:200
	Western Blot: 1:1000. Detects an ~100kD doublet representing the two isoforms of alpha adaptin in rat brain, though alpha C is the dominant form seen.
	Blocking: Microinjection of cells with A0859-90D results in variable blockade of endocytosis.
	Optimal dilutions to be determined by researher.
Storage and Stability	May be stored at 4°C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Freeze at -20°C. Aliquots are stable for at least 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
CAS Number	n/a
Clone Type	Monoclonal
Isotype	IgG1
Clone No	4i298
Host	Mouse
Source	Human
Concentration	~1mg/ml
Form	Supplied as a liquid in PBS, 0.05% sodium azide.
Purity	IgG fraction
Immunogen	Purified alpha Adaptin
Specificity	Detects assembly polypeptide 2 (AP2). Recognizes the products of both alpha-adaptin genes, alpha A and alpha C as well as an alternatively spliced isoform of alpha A found in neurons. Species Crossreactivity: Human, Rat, Mouse, Bovine and Primate.
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.