Rubinstein-Taybi Syndrome Due to 16p13.3 Microdeletion is related to chromosome 16p13.3 deletion syndrome, proximal. An important gene associated with Rubinstein-Taybi Syndrome Due to 16p13.3 Microdeletion is CREBBP (CREB Binding Protein). Affiliated tissues include eye and bone, and related phenotypes are intellectual disability and delayed speech and language development