Predicted to enable signaling receptor binding activity. Involved in cell-cell adhesion and hemidesmosome assembly. Located in adherens junction and hemidesmosome. Part of laminin-3 complex. Human ortholog(s) of this gene implicated in junctional epidermolysis bullosa; junctional epidermolysis bullosa Herlitz type; junctional epidermolysis bullosa non-Herlitz type; and lung small cell carcinoma. Orthologous to human LAMA3 (laminin subunit alpha 3). [provided by Alliance of Genome Resources, Apr 2022]