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TNPO3

The protein encoded by this gene is a nuclear import receptor for serine/arginine-rich (SR) proteins such as the splicing factors SFRS1 and SFRS2. The encoded protein has also been shown to be involved in HIV-1 infection, apparently through interaction with the HIV-1 capsid protein. Two transcript variants encoding different isoforms as well as a noncoding transcript have been found for this gene.
Protein class

Disease related genes, Human disease related genes

Predicted location

Intracellular

Single cell type specificity

Low cell type specificity

Immune cell specificity

Low immune cell specificity

Cell line specificity

Low cell line specificity

Interaction

Interacts with (GTP-bound) Ran (PubMed:23878195, PubMed:24915079, PubMed:24449914). Interacts with (phosphorylated) SFRS1 and SFRS2; leading to their nuclear import (PubMed:10366588, PubMed:10713112, PubMed:11517331). Interacts with NUP62 (PubMed:11517331, PubMed:24449914). Interacts with RBM4 (PubMed:12628928). Interacts with CPSF6, promoting its nuclear import (PubMed:24449914). (Microbial infection) Interacts with the HIV-1 pre-integration complex (PIC), which is composed of viral genome, matrix protein, Vpr and integrase (PubMed:18722123, PubMed:29329553). Interacts with HIV-1 integrase protein; the interaction is direct (PubMed:29329553).

More Types Infomation

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