XB-FEAT-22066189
nomenclature changes
06.30.2020 Human symbol has changed for genepage ID: 22066189 From h2afx to h2ax (H2A.X variant histone)
as Xenopus has a gene duplication, this gene name changed it root name, and kept the gene 2 suffix .2, so is now h2ax.2 H2A.X variant histone gene 2(