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:	PAK1
Human P-Site:	T423
P-Site Sequence:	PEQSKRSTMVGTPYW
UniProt:	Q13153
Intern. Prot. ID:	IPI00656138

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PAK1	Q13153	T423	PEQSKRSTMVGTPYW	100 / 9 AA	61
Phosphosite 1:	PAK2	Q13177	T402	PEQSKRSTMVGTPYW	100 / 9 AA	58
Phosphosite 2:	PAK3	O75914	T436	PEQSKRSTMVGTPYW	100 / 9 AA	61
Phosphosite 3:	PAK2	Q13177	S401	TPEQSKRSTMVGTPY	100 / 8 AA	58
Phosphosite 4:	PAK1	Q13153	S422	TPEQSKRSTMVGTPY	100 / 8 AA	61
Phosphosite 5:	PAK3	O75914	S435	TPEQSKRSTMVGTPY	100 / 8 AA	61
Phosphosite 6:	STK24	Q9Y6E0	T190	DTQIKRNTFVGTPFW	75 / 8 AA	49
Phosphosite 7:	MST4	Q9P289	T178	DTQIKRNTFVGTPFW	75 / 8 AA	47
Phosphosite 8:	YSK1	O00506	T174	DTQIKRNTFVGTPFW	75 / 8 AA	48
Phosphosite 9:	UPF3B	Q9BZI7	T149	KKTKKRDTKVGTIDD	75 / 8 AA	58
Phosphosite 10:	MST2	Q13188	T180	DTMAKRNTVIGTPFW	55 / 9 AA	56
Phosphosite 11:	STK4	Q13043	T183	DTMAKRNTVIGTPFW	55 / 9 AA	56
Phosphosite 12:	C8B	P07358	T418	KDRNKRDTMVEDLVV	62 / 8 AA	67
Phosphosite 13:	KLC2	Q9H0B6	S618	SMDLSRRSSLVG___	62 / 8 AA	69
Phosphosite 14:	KLC2	Q9H0B6	S619	MDLSRRSSLVG____	62 / 8 AA	69
Phosphosite 15:	ZNF334	Q9HCZ1	T251	KTFSKRSTLIVHQRI	71 / 7 AA	80
Phosphosite 16:	ARPP-21	Q9UBL0	S511	TSQQPLRSAMVGQSQ	83 / 6 AA	89
Phosphosite 17:	GPR61	Q9BZJ8	T264	ESLSSRSTMVTSSGA	85 / 7 AA	49
Phosphosite 18:	GPR61	Q9BZJ8	S263	SESLSSRSTMVTSSG	85 / 7 AA	49
Phosphosite 19:	FER1L6	Q2WGJ9	S1074	DWRAFGRSTLVGTYT	83 / 6 AA	209
Phosphosite 20:	ENDOD1	O94919	T314	STRSKRSTLLPPEAS	71 / 7 AA	55