NAD+-histone H2BE18 glutamate ADP-ribosyltransferase activity
nad+-histone h2be18 glutamate adp-ribosyltransferase activity
NAD+-histone-glutamate ADP-ribosyltransferase activity (H2B-E18 specific)
nad+-histone-glutamate adp-ribosyltransferase activity (h2b-e18 specific)