- Affinity Purified from Pooled Serum
- Species Tested:
- Expected Reactivity:
- Human, Canine, Non-human primate, Rat
- WB 1:1000 Don't see your application?
- Host Species:
- Rabbit Polyclonal
- Gene Name:
- Molecular Weight:
- ~250 kDa and ~150 kDa
- Cite This Antibody:
- PhosphoSolutions Cat# p2400-295, RRID:AB_2492287
The antigen is a phosphopeptide corresponding to amino acid residues surrounding the phospho-Ser295 of mouse XIRP1.
The antibody is prepared from pooled rabbit serum by affinity purification via sequential chromatography on phospho- and dephospho-peptide affinity columns.
Biological Significance: ExpandCollapse
XIRP1 is a member of the Xin family of proteins, containing 16 Xin repeats. The intercalated disk protein Xin protects actin filaments from depolymerization, and is able to bundle actin filaments to interact with β-catenin, which is thought to stabilize actin-based cytoskeletons (Choi et al., 2007). The evolutionary emergence of the Xin paralogs may have played a key role in the development of heart chambers with complete endothelial and myocardial layers (Grosskurth et al., 2008). Loss of mXina (mouse Xin homolog) results in cardiac hypertrophy and cardiomyopathy (Gustafson-Wagner et al., 2007). Phosphorylation of Ser295 plays a key role in XIRP1 signaling, and therefore in cardiac hypertrophy, as it has been shown that acute pressure-overloaded hearts rapidly increased phosphorylation at the Ser295 residue of XIRP1. (Chang et al., 2013).
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