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:	Y142
P-Site Sequence:	KTSNSQKYMSFTDKS
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	Y142	KTSNSQKYMSFTDKS	100 / 9 AA	61
Phosphosite 1:	PAK3	O75914	Y152	ETVNNQKYMSFTSGD	88 / 9 AA	61
Phosphosite 2:	PAK3	O75914	S154	VNNQKYMSFTSGDKS	100 / 7 AA	61
Phosphosite 3:	PAK1	Q13153	S144	SNSQKYMSFTDKSAE	100 / 7 AA	61
Phosphosite 4:	PAK2	Q13177	S141	TVKQKYLSFTPPEKD	85 / 7 AA	58
Phosphosite 5:	PAK2	Q13177	Y139	SNTVKQKYLSFTPPE	85 / 7 AA	58
Phosphosite 6:	SLC35B3	Q9H1N7	Y43	KFNNSRKYISITVPS	66 / 9 AA	45
Phosphosite 7:	PAK1	Q13153	S139	NSKKTSNSQKYMSFT	100 / 6 AA	61
Phosphosite 8:	FAM45A	Q8TCE6	Y102	KDFNPEKYAAFTRIL	55 / 9 AA	41
Phosphosite 9:	FAM45B	Q6NSW5	Y102	KDFNPEKYAAFTRIL	55 / 9 AA	41
Phosphosite 10:	RGS17	Q9UGC6	Y196	RFLNSQIYKSFVEST	66 / 9 AA	24
Phosphosite 11:	ADD3	Q9UEY8	Y341	HVLDFQKYKAFTYTV	55 / 9 AA	79
Phosphosite 12:	AlphaK2	Q86TB3	S271	PKVQKYISFSLPLSE	71 / 7 AA	237
Phosphosite 13:	AlphaK2	Q86TB3	Y269	QNPKVQKYISFSLPL	71 / 7 AA	237
Phosphosite 14:	CA13	Q8N1Q1	Y129	VHWNSDKYPSFVEAA	66 / 9 AA	29
Phosphosite 15:	SOX1	O00570	Y265	PISNSQGYMSASPSG	85 / 7 AA	39
Phosphosite 16:	Cdc37	Q16543	Y174	RWDDSQKYLSDNVHL	71 / 7 AA	44
Phosphosite 17:	NLRP4	Q96MN2	Y698	FYQPDLKYLSFTLTK	83 / 6 AA	113
Phosphosite 18:	NLRP4	Q96MN2	S700	QPDLKYLSFTLTKLS	71 / 7 AA	113
Phosphosite 19:	MYST1	Q9H7Z6	Y126	VQKNSEKYLSELAEQ	71 / 7 AA	52
Phosphosite 20:	CCDC108	Q6ZU64	Y1296	TVKPEQKYVHFTSTT	71 / 7 AA	217