NCIt definition : Human CRB2 wild-type allele is located in the vicinity of 9q33.3 and is approximately
26 kb in length. This allele, which encodes protein crumbs homolog 2 protein, is involved
in the formation of a third tissue layer during gastrulation and cell polarity. Mutations
in this gene are associated with focal segmental glomerulosclerosis 9 and ventriculomegaly
with cystic kidney disease.;