function:Specific GEF for RhoA activation and the regulation of vascular smooth muscle contractility.,PTM:Phosphorylated on tyrosine residues upon EFNA1 stimulation.,similarity:Contains 1 DH (DBL-homology) domain.,subunit:Interacts with EPHA4.,tissue specificity:Expressed in the vascular smooth muscle of coronary artery.,
Cell projection, dendrite . Expressed exclusively in dendrites of the developing hippocampus. .
Expressed in the vascular smooth muscle of coronary artery.