PMID 16127465 2005 Activating and deactivating mutations in the receptor interaction site of GDF5 cause symphalangism or brachydactyly type A2.
PMID 18203755 2008 We investigated a family with a brachydactyly type A2 and identified a heterozygous arginine to glutamine (R380Q) substitution in the growth/differentiation factor 5 (GDF5) in all affected individuals.