CRABP1 (D5W9A) Rabbit mAb #13206

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Supporting Data

REACTIVITY	H M
SENSITIVITY	Endogenous
MW (kDa)	15
Source/Isotype	Rabbit IgG

Application Key:

WB-Western Blotting

Species Cross-Reactivity Key:

H-Human
M-Mouse

Product Information

Product Usage Information

Application	Dilution
Western Blotting	1:1000

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

Protocol

Specificity / Sensitivity

CRABP1 (D5W9A) Rabbit mAb recognizes endogenous levels of total CRABP1 protein. This antibody does not cross-react with other intracellular lipid-binding protein family members, CRBP1 and CRBP2.

Species Reactivity:

Human, Mouse

The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.

Species predicted to react based on 100% sequence homology:

Rat, Chicken, Bovine

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human CRABP1 protein.

Background

Vitamin A gives rise to multiple species of biologically active lipophilic metabolites, known as retinoids, which play a critical role in numerous physiological processes such as vision and embryonic development. Intracellularly, all-trans retinoic acid is bound with high affinity to either cellular retinoic acid-binding protein 1 (CRABP1) or cellular retinoic acid-binding protein 2 (CRABP2), which aids in its solubilization within the aqueous cytosolic compartment. Belonging to the intracellular lipid-binding protein family (iLBP), the human CRABPs are 74% identical at the protein level and each CRABP is highly conserved across multiple species. Research studies have shown that knockout of Crabp1 is not lethal but results in defects in limb development (1), suggesting that CRABP1 plays a role in establishing retinoic acid concentration gradients in the developing limb bud. Although it remains unclear how CRABP1 may regulate the formation of retinoic acid gradients in vivo, research studies have suggested that CRABP1 can enhance the activities of intracellular retinoic acid-metabolizing enzymes, thus blunting cellular responses to retinoic acid (2-4).

Database Links

UniProt ID: P29762

Entrez-Gene Id: 1381

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For Research Use Only. Not For Use In Diagnostic Procedures.

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