SNAPC2 (snRNA-activating Protein Complex Subunit 2, SNAPc Subunit 2, Proximal Sequence Element-binding Transcription Factor Subunit delta, PSE-binding Factor Subunit delta, PTF Subunit delta, Small Nuclear RNA-activating Complex Polypeptide 2, snRNA-activating Protein Complex 45kD Subunit, SNAPc 45kD Subunit, SNAP45) (Biotin)