Table 1. List of CtBP2-bound proteins.

Numbers displayed for the cell lines are number of unique peptides identified.

CtBP2 binding proteins (previously identified for CtBP1)	Accession Number	Molecular Weight	HeLa	CtBP2	CtBP2 (+TSA)
C-terminal-binding protein 2 isoform 1	gi|4557499	49 kDa	2	42	48
Zinc finger protein 217	gi|5730124	115 kDa	0	32	47
C-terminal-binding protein 1 isoform 1	gi|4557497	48 kDa	2	19	21
Amine oxidase (flavin containing) domain 2, isoform CRA_a	gi|119615437	100 kDa	0	15	24
Zinc finger E-box-binding homeobox 1 isoform a	gi|189409130	124 kDa	0	14	14
Adenomatous polyposis coli	gi|182397	312 kDa	0	11	13
Histone deacetylase 1-like isoform 6	gi|13138860	55 kDa	0	10	13
Histone deacetylase 2-like isoform 2	gi|293336691	55 kDa	0	8	7
Ligand-dependent corepressor isoform 1	gi|282847504	47 kDa	0	12	11
REST corepressor 1	gi|344925845	53 kDa	0	3	11
Ligand dependent nuclear receptor corepressor-like isoform 1	gi|260764001	67 kDa	0	3	5
Novel CtBP2 binding proteins
Transcription factor E2F7	gi|145580626	100 kDa	0	4	4
Mi-2 protein (CHD4)	gi|1107696	218 kDa	0	13	16
Transcriptional repressor p66-beta	gi|21218438	65 kDa	0	11	10
Methyl-CpG binding domain protein 3, isoform CRA_b	gi|119589885	26 kDa	0	3	5
Metastasis-associated gene	gi|1008544	81 kDa	0	5	3
Metastasis-associated protein MTA2	gi|14141170	75 kDa	0	11	14
Metastasis associated 1 family, member 3, isoform CRA_d	gi|119620722	59 kDa	0	3	3
Retinoblastoma binding protein 7, isoform CRA_b	gi|119619326	52 kDa	0	4	2
Zinc finger transcription factor TRPS1	gi|6684534	142 kDa	0	8	10
WD repeat-containing protein C2orf44 isoform 1	gi|13376798	79 kDa	0	6	7
Chromosome 20 open reading frame 112, isoform CRA_b	gi|119596774	64 kDa	0	6	6
Human Dead-Box Rna Helicase Ddx3x	gi|114794734	47 kDa	0	2	2
Rho GTPase-activating protein 21	gi|203097003	217 kDa	0	1	2