a adaptor protein that, together with STRAD-alpha, forms a regulatory complex capable of stimulating the activity of LKB1. Interacts with Mst4, which plays an essential role in brush border formation in intestinal epithelial cells. Note: This description may include information from UniProtKB.
LTP: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.