Table I. Chromatin-associated proteins identified by mass spectrometry. Proteins are highlighted in bold if their sumoylation has been reported. Proteins are underlined if they have functions in cancer.

Function	Proteins identified by mass spectrometry
Chromatin remodeling	H1FOO, HDAC2, CHD4, NCL, SUPT7L, CHAF1A, HIST1H2AM, HMGB2, BAZ1B, HDAC1, NPM2, H3F3A, HIST1H2BA, HIST1H2AD, HABP4, HMGB1, MCM2
Transcriptional regulation	GTF2IRD1, POLR3D, POLR3E, SUMO1, TOP2A, TRIM28, UBE2I, DPPA2, HIC2, DNMT1, GATAD2A, ILF3, PIAS4, RUVBL1, SNIP1, SOX3, USP10, BTF3L4, WDR77, ARID3A, DAXX, FOXK2, FUBP3, GZF1, HMCES, IRF2BPL, MAZ, MBD1, MNT, MYEF2, POU5F1, SOX11, SUB1, ZFR, ZNF208, ZNF521, ZNF652, ZNF653, SOX1, SUMO2, ZNF462, ZNF585A, PIAS1, BTF3, PDCD4, TLE4, ETV6, HMBOX1, KLF17, SND1, UBTF, ZBTB49, ZNF577, ZIC4, ZNF585B, MORC3, PRMT1
DNA repair/stability/replication	LIG1, PARP1, PCNA, TSN, NASP, ORC4, POLA1, POLD3, WRN, RFC5, BRIP1, MCM4, ORC3, PRIM2, DDB1, PLK1