label: GGAA Microsatellite Repeat
label_lc: ggaa microsatellite repeat
description: "A microsatellite containing 18-26 repeats of the tetranucleotide sequence, GGAA. EWSR1/FLI1 and EWSR1/ETS family fusion proteins bind to GGAA microsatellite sequences in certain gene promoters, which aberrantly upregulates transcription of those genes and is associated with Ewing Sarcoma."