Is predicted to encode a protein with the following domains: Required for nuclear transport of RNA pol II C-terminus 2; TANGO6/Rtp1; Required for nuclear transport of RNA pol II C-terminus 1; Armadillo-type fold; RNA polymerase II assembly factor Rtp1, C-terminal; RNA polymerase II assembly factor Rtp1, C-terminal domain 2; and Armadillo-like helical. Is an ortholog of C. elegans ekl-6.