Table 1. Mass spectrometric analysis of SETDB1 (medium) versus IgG (light) IPs from the 0.5 M anionic column fraction.

Protein	% Coverage	# Peptide Spectral Matches	# Unique Peptides	Medium/Light Ratio
SETDB1	13.54	17	14	22.05
MCAF1	10.03	10	8	41.27
KAP1	9.59	7	6	2.92
hnRNP K	17.31	7	5	2.87
BAF155	3.78	3	3	2.74
TRIP12	1.19	2	2	2.37
Nup155	2.01	2	2	2.82
MCM5	3.68	2	2	3.45
ZFP161	4.23	2	2	44.46
PRMT1	7.23	2	2	3.01