An Alport syndrome that has_material_basis_in homozygous or compound heterozygous mutation in the COL4A3 or the COL4A4 gene, both of which map to chromosome 2q. (DO)
Note: Use of the qualifier "multiple interactions" designates that the annotated interaction
is comprised of a complex set of reactions and/or regulatory events, possibly involving
additional chemicals and/or gene products.