This report describes general characteristics of the pair of diseases classified as Kleefstra syndrome (KLEFS). A listing of KLEFS subtypes, as defined by OMIM, may be found in the table below, with links to more detailed reports for subtypes that have been investigated using fly models. Kleefstra syndrome 1 is also classified in OMIM as a subtype of autosomal dominant intellectual disability (FBhh0000127).
[updated Feb. 2018 by FlyBase; FBrf0222196]
Kleefstra syndrome is characterized by developmental delay and variable intellectual disability, with other symptoms characteristic of the specific subtype.