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:	SP4
Human P-Site:	S146
P-Site Sequence:	KTKSGNSSTPGQFQV
UniProt:	Q02446
Intern. Prot. ID:	IPI00025805

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SP4	Q02446	S146	KTKSGNSSTPGQFQV	100 / 9 AA	82
Phosphosite 1:	SP4	Q02446	T147	TKSGNSSTPGQFQVI	100 / 8 AA	82
Phosphosite 2:	HRNR	Q86YZ3	S608	GSSSGHSSTHGQHGS	77 / 9 AA	282
Phosphosite 3:	COL4A3	Q01955	T911	GPPGNPGTPGQRGSP	75 / 8 AA	162
Phosphosite 4:	TNFRSF25	Q93038	S280	TVQLVGNSWTPGYPE	85 / 7 AA	45
Phosphosite 5:	ZNF259	O75312	S376	PFTLGDSSNPGQTER	75 / 8 AA	51
Phosphosite 6:	FCRL1	Q96LA6	T361	FTYLNSPTPGQLQPI	85 / 7 AA	47
Phosphosite 7:	HRNR	Q86YZ3	T609	SSSGHSSTHGQHGST	75 / 8 AA	282
Phosphosite 8:	HRNR	Q86YZ3	T2015	SSSGHSSTHGQHGSA	75 / 8 AA	282
Phosphosite 9:	GPR61	Q9BZJ8	S14	PQSSGNSSTLGRVPQ	77 / 9 AA	49
Phosphosite 10:	TNFRSF25	Q93038	T282	QLVGNSWTPGYPETQ	85 / 7 AA	45
Phosphosite 11:	NFKBIL2	Q96HA7	S919	SEPSGDSSAAGQPLG	66 / 9 AA	151
Phosphosite 12:	PRR14	Q9BWN1	S8	MDLPGDSSPPGQPRL	66 / 9 AA	64
Phosphosite 13:	HDAC6	Q9UBN7	S891	SASFGEESTPGQTNS	75 / 8 AA	131
Phosphosite 14:	HDAC6	Q9UBN7	T892	ASFGEESTPGQTNSE	75 / 8 AA	131
Phosphosite 15:	CITED2	Q99967	S164	NPKHSGGSSTPGGSG	87 / 8 AA	28
Phosphosite 16:	TPD52	P55327	S35	YLSPSGNSSPPGSPT	87 / 8 AA	24
Phosphosite 17:	CITED2	Q99967	S174	PGGSGGSSTPGGSGS	87 / 8 AA	28
Phosphosite 18:	CITED2	Q99967	S173	TPGGSGGSSTPGGSG	87 / 8 AA	28
Phosphosite 19:	CITED2	Q99967	S165	PKHSGGSSTPGGSGG	87 / 8 AA	28
Phosphosite 20:	BPTF	Q12830	S2240	SAPNTVSSTPGQKSL	100 / 6 AA	338