Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	C4orf17
Human P-Site:	S281
P-Site Sequence:	GDQPTRVSSQGSEEN
UniProt:	Q53FE4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf17	Q53FE4	S281	GDQPTRVSSQGSEEN	100 / 9 AA	40
Phosphosite 1:	C4orf17	Q53FE4	S282	DQPTRVSSQGSEENK	100 / 8 AA	40
Phosphosite 2:	B9D1	Q9UPM9	S163	REVTRVRSQGFVTLL	85 / 7 AA	23
Phosphosite 3:	DAG1	Q14118	S391	PIQPTRVSEAGTTVP	66 / 9 AA	97
Phosphosite 4:	Ctip	Q99708	T323	PPQEELPTRVSSPVF	100 / 6 AA	102
Phosphosite 5:	TMEM151B	Q8IW70	S509	TEQTRLSSQASMGDD	75 / 8 AA	62
Phosphosite 6:	C4orf17	Q53FE4	T278	DTEGDQPTRVSSQGS	100 / 6 AA	40
Phosphosite 7:	EEA1	Q15075	S15	RTPGRVGSQGSDLDS	85 / 7 AA	162
Phosphosite 8:	TMEM151B	Q8IW70	S508	PTEQTRLSSQASMGD	66 / 9 AA	62
Phosphosite 9:	UBAP1	Q9NZ09	T133	HNSILTPTRVSSSAT	100 / 6 AA	55
Phosphosite 10:	TRIM35	Q9UPQ4	S352	LLGSRVFSQGSHAWE	75 / 8 AA	57
Phosphosite 11:	ITCH	Q96J02	T218	KDETRVSTNGSDDPE	75 / 8 AA	103
Phosphosite 12:	UBAP1	Q9NZ09	S136	ILTPTRVSSSATKQK	100 / 6 AA	55
Phosphosite 13:	Ctip	Q99708	S326	EELPTRVSSPVFGAT	85 / 7 AA	102
Phosphosite 14:	ITCH	Q96J02	S217	SKDETRVSTNGSDDP	75 / 8 AA	103
Phosphosite 15:	CRF-R1	P34998	S434	PTSPTRVSFHSIKQS	62 / 8 AA	51
Phosphosite 16:	IQGAP2	Q13576	S595	ELKSERVSSDGSWLK	85 / 7 AA	181
Phosphosite 17:	IQGAP2	Q13576	S596	LKSERVSSDGSWLKL	85 / 7 AA	181
Phosphosite 18:	POLR3B	Q9NW08	S457	GMMTRISSQFEKTRK	83 / 6 AA	128
Phosphosite 19:	POLR3B	Q9NW08	S456	LGMMTRISSQFEKTR	83 / 6 AA	128
Phosphosite 20:	TXNRD3	Q86VQ6	S77	ARVVRVASEGSVRRP	62 / 8 AA	82