Table II. List of human proteins containing a stretch of at least 5 consecutive acidic residues in their gene-encoded C-terminus.

Number	Name	UniProt	C-terminus
1	High mobility group protein B1	P09429	SKKKKEEEEDEEDEEDEEEEEDEEDEDEEEDDDDE
2	Putative high mobility group protein B1-like 1	B2RPK0	SKKKKEEEEDEEDEEDEEEEDEEDEEDDDDE
3	High mobility group protein B2	P26583	KKNEPEDEEEEEEEEDEDEEEEDEDEE
4	High mobility group protein B3a	O15347	ARKKVEEEDEEEEEEEEEEEEEEDE
5	Homeobox protein Hox-A7	P31268	AADKADEEDDDEEEEDEEE
6	Cytosolic purine 5′-nucleotidase	P49902	ITHCHDEDDDEEEEEEEE
7	Translocation protein SEC63 homolog	Q9UGP8	FEDSFEEEEEEEEDDD
8	mTERF domain-containing protein 2	Q7Z6M4	EAEDNDEDEDDDEEE
9	60S ribosomal protein L22	P35268	FQINQDEEEEEDED
10	Calsequestrin-1	P31415	GEINTEDDDDDDDD
11	Ubiquitin thioesterase ZRANB1	Q9UGI0	SLSDGEEDEDDEDE
12	Calcium-dependent secretion activator 1	Q9ULU8	SMKDSDEEDEEDD
13	Putative high mobility group protein B3-like	P0C6E5	AQKKVEEEDEDEE
14	RNA polymerase-associated protein LEO1	Q8WVC0	KYVISDEEEEDDD
15	LIM domain and actin-binding protein 1	Q9UHB6	RNRYYDEDEDEE
16	Single-pass membrane protein with aspartate-rich tail 1, mitochondrial	Q9H4I9	DIFVPEDDDDDD
17	Calsequestrin-2	O14958	DNDDSDDDDDE
18	Cell cycle control protein 50B	Q3MIR4	RYQDQDDDDEE
19	Dipeptidyl aminopeptidase-like protein 6	P42658	TVTAKEDEEED
20	Homeobox protein Hox-B7	P09629	DRAEAEEEEEE
21	Metaxin-1	Q13505	LGMAEEDEEE
22	40S ribosomal protein S9a	P46781	GAGAGDDEEED
23	Protein timeless homolog	Q9UNS1	KRYQIEDDEDD
24	TRAF-type zinc finger domain-containing protein 1a	O14545	GAGDAEEEEEE
25	Acidic leucine-rich nuclear phosphoprotein 32 family member E	Q9BTT0	AEDDGEEEDD
26	Interferon alpha-inducible protein 6	P09912	KYLDSEEDEE
27	Myosin light chain kinase, smooth musclea	Q15746	GEGEGEEEEE
28	Choline-phosphate cytidylyltransferase A	P49585	AYDISEDEED
39	Protein SSX1	Q16384	EISDPEEDDE
30	Protein SSX2	Q16385	EISDPEEDDE
31	Protein SSX3	Q99909	EISDPEEDDE
32	Protein SSX4	O60224	EISDPEEDDE
33	Protein SSX7	Q7RTT5	EISDPEEDDE
34	Protein SSX8	Q7RTT4	EIRDPEEDDE
35	Protein SSX9	Q7RTT3	EISDPEEDDE
36	Transmembrane protein 190	Q8WZ59	EETEGEEEED

^a These proteins have already been identified as CCP1 substrates.