SNAPC4 (snRNA-activating Protein Complex Subunit 4, SNAPc Subunit 4, Proximal Sequence Element-binding Transcription Factor Subunit alpha, PSE-binding Factor Subunit alpha, PTF Subunit alpha, snRNA-activating Protein Complex 190kD Subunit, SNAPc 190kD Subunit, SNAP190) (MaxLight 650)