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:	RPP38
Human P-Site:	S277
P-Site Sequence:	KIRKPPKSKKATPK_
UniProt:	P78345
Intern. Prot. ID:	IPI00019195

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RPP38	P78345	S277	KIRKPPKSKKATPK_	100 / 9 AA	32
Phosphosite 1:	NPAT	Q14207	S991	QFPVPPKSQKAQGLR	85 / 7 AA	154
Phosphosite 2:	AP2A1	O95782	S297	KAQEPPKSKKVQHSN	85 / 7 AA	108
Phosphosite 3:	AP2A2	O94973	S296	KAQEPPKSKKVQHSN	85 / 7 AA	104
Phosphosite 4:	RasGRF1	Q13972	S730	LYGEPPKSPRATRKF	75 / 8 AA	145
Phosphosite 5:	BZRAP1	O95153	S1739	PPPKPRRSKKAESEG	75 / 8 AA	200
Phosphosite 6:	RIMS2	Q9UQ26	S532	PPPKPHKSKKGGKMR	75 / 8 AA	160
Phosphosite 7:	AKD1	Q5TCS8	S501	IIVGPPKSGKTTVAK	75 / 8 AA	87
Phosphosite 8:	NUMA1	Q14980	S2003	QGPGTPESKKATSCF	85 / 7 AA	238
Phosphosite 9:	PQBP1	O60828	S190	ELAPYPKSKKAVSRK	85 / 7 AA	30
Phosphosite 10:	MGAT5	Q09328	S544	PKFNPPKSSKNTDFF	66 / 9 AA	85
Phosphosite 11:	DDX60	Q8IY21	S570	KDFSGPKSKKAHETK	100 / 6 AA	198
Phosphosite 12:	PRG4	Q92954	S115	HNPTSPPSSKKAPPP	85 / 7 AA	151
Phosphosite 13:	INTS3	Q68E01	S987	SSTKPPKSRRKAALS	71 / 7 AA	118
Phosphosite 14:	DDX21	Q9NR30	S74	VDMNSPKSKKAKKKE	85 / 7 AA	87
Phosphosite 15:	MGAT5	Q09328	S545	KFNPPKSSKNTDFFI	75 / 8 AA	85
Phosphosite 16:	TNRC18	O15417	S2474	EGVTSPKSKKAKEAL	85 / 7 AA	315
Phosphosite 17:	C19orf53	Q9UNZ5	S16	QAHKPAKSKTAAAAS	66 / 9 AA	11
Phosphosite 18:	SLC12A8	A0AV02	S493	PESQKRKSKKATKQT	85 / 7 AA	78
Phosphosite 19:	PRG4	Q92954	S116	NPTSPPSSKKAPPPS	85 / 7 AA	151
Phosphosite 20:	FBXW10	Q5XX13	S748	LPGKPPKSRVLLKPA	83 / 6 AA	120