Expressed in thymus (in thymocytes), spleen (in splenocytes), lymph node and lung. Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. AIG1/Toc34/Toc159-like paraseptin GTPase family. IAN subfamily. Contaminating sequence. Potential poly-A sequence.