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KRIT1
This gene encodes a protein containing four ankyrin repeats, a band 4.1/ezrin/radixin/moesin (FERM) domain, and multiple NPXY sequences. The encoded protein is localized in the nucleus and cytoplasm. It binds to integrin cytoplasmic domain-associated protein-1 alpha (ICAP1alpha), and plays a critical role in beta1-integrin-mediated cell proliferation. It associates with junction proteins and RAS-related protein 1A (Rap1A), which requires the encoded protein for maintaining the integrity of endothelial junctions. It is also a microtubule-associated protein and may play a role in microtubule targeting. Mutations in this gene result in cerebral cavernous malformations. Multiple alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2009]
Protein class
Disease related genes, Human disease related genes
Predicted location
Intracellular
Single cell type specificity
Cell type enhanced (Spermatocytes)
Immune cell specificity
Low immune cell specificity
Cell line specificity
Low cell line specificity
Interaction
Interacts with CDH5 (PubMed:20332120). Found in a complex, at least composed of ITGB1BP1, KRIT1 and RAP1A. Interacts (via C-terminus FERM domain) with RAP1A (active GTP-bound form preferentially); the interaction does not induce the opening conformation of KRIT1. Interacts (via FERM domain) with RAP1B. Interacts (via N-terminus NPXY motif) with ITGB1BP1; the interaction induces the opening conformation of KRIT1 and competes with ITGB1 for ITGB1BP1 interaction. Interacts with HEG1 and CCM2; greatly facilitates CCM2-binding to HEG1. Associates (via N-terminus and C-terminus regions) with microtubules; the interaction is inhibited in presence of ITGB1BP1 and active GTP-bound RAP1A.
More Types Infomation
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- Derivation: Mouse
- Species Reactivity: Human
- Type: Mouse IgG1, κ
- Application: WB, ELISA, IF, IP
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- Species Reactivity: Human, Mouse, Rat
- Type: Rabbit IgG
- Application: WB
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For Research Use Only. Not For Clinical Use.