Polypyrimidine tract binding protein 2, also known as PTBP2, is a protein

Protein

Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function. A polypeptide is a single linear polymer chain of amino acids bonded together by peptide bonds between the carboxyl and amino groups of...

 which in humans is encoded by the PTBP2 gene

Gene

A gene is a molecular unit of heredity of a living organism. It is a name given to some stretches of DNA and RNA that code for a type of protein or for an RNA chain that has a function in the organism. Living beings depend on genes, as they specify all proteins and functional RNA chains...

.

Function

The protein encoded by this gene binds to the intronic cluster of RNA regulatory element

Cis-regulatory element

A cis-regulatory element or cis-element is a region of DNA or RNA that regulates the expression of genes located on that same molecule of DNA . This term is constructed from the Latin word cis, which means "on the same side as". These cis-regulatory elements are often binding sites for one or...

s, downstream control sequence (DCS). It is implicated in controlling the assembly of other splicing-regulatory proteins. This protein is very similar to the polypyrimidine tract-binding protein

Polypyrimidine tract-binding protein

Polypyrimidine tract-binding protein is an RNA-binding protein, also known as PTB or hnRNP I. PTB functions mainly as a splicing regulator, although it is also involved in alternative 3' end processing, mRNA stability and RNA localization....

  PTBP1

PTBP1

Polypyrimidine tract-binding protein 1 is a protein that in humans is encoded by the PTBP1 gene.-Interactions:PTBP1 has been shown to interact with HNRPK, PCBP2, SFPQ and HNRNPL.This gene is targeted by the microRNA miR-124...

but it is expressed primarily in the brain.