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Anti-ABCA4 Antibody Picoband®

Boster Bio Anti-ABCA4 Antibody Picoband® catalog # A01048. Tested in WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

ABCA4 (ATP-Binding Cassette, Subfamily A, Member 4), also known as ABCR, is a protein which in humans is encoded by the ABCA4 gene. ABCA4 is a member of the ATP-binding cassette transporter gene sub-family A (ABC1) found exclusively in multicellular eukaryotes. Using a whole genome radiation hybrid panel, this gene is mapped to 1p21-p13. And this gene is expressed exclusively in retina photoreceptor cells, indicating the gene product mediates transport of an essental molecule across the photoreceptor cell membrane. Additionally, it is showed by immunofluorescence microscopy and Western blot analysis that ABCR is present in foveal and peripheral cone, as well as rod, photoreceptors. The results suggested that the loss in central vision experienced by patients with Stargardt macular dystrophy arises ly from ABCR-mediated foveal cone degeneration.

Synonyms

Retinal-specific ATP-binding cassette transporter; ATP-binding cassette sub-family A member 4; RIM ABC transporter; RIM protein; RmP; Stargardt disease protein; ABCA4; ABCR

Gene Name

ABCA4

Gene ID

24

UniProt

P78363

Host

Rabbit

Reactivity

Human, Mouse, Rat

Cross Reactivity

No cross-reactivity with other proteins.

Immunogen

A synthetic peptide corresponding to a sequence at the C-terminus of human ABCA4, different from the related mouse sequence by eight amino acids.

Clonality

Polyclonal

Tissue Specificity

Retinal-specific. Seems to be exclusively found in the rims of rod photoreceptor cells.

Applications

WB

Field of Research

Neuroscience, Sensory System, Visual System

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Function

In the visual cycle, acts as an inward-ed retinoid flipase, retinoid substrates imported by ABCA4 from the extracellular or intradiscal (rod) membrane surfaces to the cytoplasmic membrane surface are all-trans-retinaldehyde (ATR) and N-retinyl-phosphatidyl-ethanolamine (NR-PE) . Once transported to the cytoplasmic surface, ATR is reduced to vitamin A by trans- retinol dehydrogenase (tRDH) and then transferred to the retinal pigment epithelium (RPE) where it is converted to 11-cis-retinal. May play a role in photoresponse, removing ATR/NR-PE from the extracellular photoreceptor surfaces during bleach recovery. .

References & Citations

1. Allikmets, R., Shroyer, N. F., Singh, N., Seddon, J. M., Lewis, R. A., Bernstein, P. S., Peiffer, A., Zabriskie, N. A., Hutchinson, A., Dean, M., Lupski, J. R., Leppert, M. Mutation of the Stargardt disease gene (ABCR) in age-related macular degeneration. Science 277: 1805-1807, 1997. 2. Allikmets, R., Singh, N., Sun, H., Shroyer, N. F., Hutchinson, A., Chidambaram, A., Gerrard, B., Baird, L., Stauffer, D., Peiffer, A., Rattner, A., Smallwood, P., Li, Y., Anderson, K. L., Lewis, R. A., Nathans, J., Leppert, M., Dean, M., Lupski, J. R. A photoreceptor cell-specific ATP-binding transporter gene (ABCR) is mutated in recessive Stargardt macular dystrophy. Nature Genet. 15: 236-246, 1997. Note: Erratum: Nature Genet. 17:122 only, 1997. 3. Molday, L. L., Rabin, A. R., Molday, R. S. ABCR expression in foveal cone photoreceptors and its role in Stargardt macular dystrophy. Nature Genet. 25: 257-258, 2000.

Storage Conditions

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.

Calculated Molecular Weight

255944 MW

Observed Molecular Weight

256-300 kDa

Specificity

No cross reactivity with other proteins.

Gene Name Synonym

Retinal-specific ATP-binding cassette transporter

Subcellular Location

Membrane ; Multi-pass membrane protein . Localized to outer segment disk edges of rods and cones, with around one million copies/photoreceptor.

Protein Name

Retinal-specific ATP-binding cassette transporter

Isotype

Rabbit IgG

Contents

Each vial contains 4 mg Trehalose, 0.9 mg NaCl and 0.2 mg Na2HPO4.

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