obsolete cell adhesive protein binding involved in SA cardiac muscle cell-atrial cardiac muscle cell communication (obsolete GO:0086085)
cell adhesive protein binding involved in SA cardiomyocyte-atrial cardiomyocyte communication
exact
OBSOLETE. Binding to a protein or protein complex that results in the connection of an SA cardiomyocyte with an atrial cardiomyocyte and contributes to the communication between the two cells.