The product encoded by this gene is preferentially
expressed in hematopoietic cells and belongs to the paxillin
protein family. Similar to other members of this
focal-adhesion-associated adaptor-protein family, it has four
leucine-rich LD-motifs in the N-terminus and four LIM domains in
the C-terminus. It may function in cell type-specific signaling by
associating with PYK2, a member of focal adhesion kinase family. As
a substrate for a tyrosine kinase in lymphoid cells, this protein
may also function in, and be regulated by, tyrosine kinase
activity. Alternative splicing results in multiple transcript
variants encoding distinct isoforms.
