Catalyzes the trans-addition of the three molecules of IPP onto DMAPP to form geranylgeranyl pyrophosphate, an important precursor of carotenoids and geranylated proteins. {Experimental EvidencePubMed:32403198}.
Muscular dystrophy, congenital hearing loss, and ovarian insufficiency syndrome (MDHLO) [MIM:619518]: An autosomal recessive disorder characterized by early-onset progressive muscle weakness, sensorineural hearing loss, and primary amenorrhea due to ovarian insufficiency. Some patients become wheelchair-bound by the second decade, whereas others have a milder phenotype and maintain independent ambulation into adulthood. Most patients have respiratory insufficiency. {Experimental EvidencePubMed:32403198}. Note=The disease is caused by variants affecting the gene represented in this entry.
Syntenin-1 (Melanoma differentiation-associated protein 9) (MDA-9) (Pro-TGF-alpha cytoplasmic domain-interacting protein 18) (TACIP18) (Scaffold protein Pbp1) (Syndecan-binding protein 1)