Cone-rod homeobox protein; CRX; CORD2

For Research Use Only. Not for use in diagnostic procedures.

Polyclonal

Rabbit Ig

Rabbit

This CRX antibody is generated from a rabbit immunized with a KLH conjugated synthetic peptide between 294-297 amino acids from the C-terminal region of human CRX.

Purified Rabbit Polyclonal Antibody (Pab)

Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.

Vial Concentration: 0.5 (lot specific)

Maintain refrigerated at 2-8 degree C for up to 6 months. For long term storage store at -20 degree C in small aliquots to prevent freeze-thaw cycles.

Small volumes of anti-CRX antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Binds and transactivates the sequence 5'-TAATC[CA]-3' which is found upstream of several photoreceptor-specific genes, including the opsin genes. Acts synergistically with other transcription factors, e.g. NRL and RX, to regulate photoreceptor cell-specific gene transcription. Essential for the maintenance of mammalian photoreceptors.

Developmental Biology; Neuroscience

Western Blot (WB), ELISA (EIA)

WB~~1:1000

Western blot analysis of lysate from Y79 cell line, using CRX Antibody (C-term). MBS9204233 was diluted at 1:1000. A goat anti-rabbit IgG H&L(HRP) at 1:5000 dilution was used as the secondary antibody. Lysate at 35ug.

32261

cone-rod homeobox

cone-rod homeobox protein

Cone-rod homeobox protein

CORD2??[Similar Products]

CRX_HUMAN

The protein encoded by this gene is a photoreceptor-specific transcription factor which plays a role in the differentiation of photoreceptor cells. This homeodomain protein is necessary for the maintenance of normal cone and rod function. Mutations in this gene are associated with photoreceptor degeneration, Leber congenital amaurosis type III and the autosomal dominant cone-rod dystrophy 2. Several alternatively spliced transcript variants of this gene have been described, but the full-length nature of some variants has not been determined. [provided by RefSeq, Jul 2008]

CRX: Binds and transactivates the sequence 5'-TAATC[CA]-3' which is found upstream of several photoreceptor-specific genes, including the opsin genes. Acts synergistically with other transcription factors, e.g. NRL and RX, to regulate photoreceptor cell-specific gene transcription. Essential for the maintenance of mammalian photoreceptors. Defects in CRX are the cause of Leber congenital amaurosis type 7 (LCA7). LCA designates a clinically and genetically heterogeneous group of childhood retinal degenerations, generally inherited in an autosomal recessive manner. Affected infants have little or no retinal photoreceptor function as tested by electroretinography. LCA represents the most common genetic cause of congenital visual impairment in infants and children. Defects in CRX are the cause of cone-rod dystrophy type 2 (CORD2); also known as cone-rod retinal dystrophy 2 (CRD2). CORDs are inherited retinal dystrophies belonging to the group of pigmentary retinopathies. CORDs are characterized by retinal pigment deposits visible on fundus examination, predominantly in the macular region, and initial loss of cone photoreceptors followed by rod degeneration. This leads to decreased visual acuity and sensitivity in the central visual field, followed by loss of peripheral vision. Severe loss of vision occurs earlier than in retinitis pigmentosa. Defects in CRX are a cause of retinitis pigmentosa (RP). RP leads to degeneration of retinal photoreceptor cells. Patients typically have night vision blindness and loss of midperipheral visual field. As their condition progresses, they lose their far peripheral visual field and eventually central vision as well. Belongs to the paired homeobox family.

Protein type: DNA-binding

Chromosomal Location of Human Ortholog: 19q13.3

Cellular Component: transcription factor complex; nucleus

Molecular Function: leucine zipper domain binding; protein binding; chromatin binding; transcription factor activity; nuclear hormone receptor binding

Biological Process: circadian rhythm; organ morphogenesis; visual perception; transcription, DNA-dependent; regulation of transcription, DNA-dependent; retina development in camera-type eye; positive regulation of photoreceptor cell differentiation; response to stimulus; positive regulation of transcription from RNA polymerase II promoter

Disease: Cone-rod Dystrophy 2; Retinitis Pigmentosa; Leber Congenital Amaurosis 7

Freund C.L.,et al.Cell 91:543-553(1997).
Kalnine N.,et al.Submitted (MAY-2003) to the EMBL/GenBank/DDBJ databases.
Grimwood J.,et al.Nature 428:529-535(2004).
Roni V.,et al.BMC Genomics 8:42-42(2007).
Kimura A.,et al.J. Biol. Chem. 275:1152-1160(2000).

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