Proximal 16p11.2 Microdeletion Syndrome, also known as proximal monosomy 16p11.2, is related to chromosome 16p11.2 deletion syndrome, 593-kb. An important gene associated with Proximal 16p11.2 Microdeletion Syndrome is SH2B1 (SH2B Adaptor Protein 1). Affiliated tissues include kidney and heart, and related phenotypes are global developmental delay and autistic behavior