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:	PRB1
Human P-Site:	S153
P-Site Sequence:	DKSQSPRSPPGKPQG
UniProt:	P04280
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRB1	P04280	S153	DKSQSPRSPPGKPQG	100 / 9 AA	39
Phosphosite 1:	Basic salivary proline-rich protein 2	P02812	S237	NKSQSARSPPGKPQG	88 / 9 AA	6
Phosphosite 2:	PRB1	P04280	S92	DKSRSPRSPPGKPQG	88 / 9 AA	39
Phosphosite 3:	Basic salivary proline-rich protein 2	P02812	S113	DKSRSPRSPPGKPQG	88 / 9 AA	6
Phosphosite 4:	PRB4	P10163	S241	NKSRSARSPPGKPQG	77 / 9 AA	31
Phosphosite 5:	Basic salivary proline-rich protein 2	P02812	S361	SKSRSARSPPGKPQG	77 / 9 AA	6
Phosphosite 6:	KNDC1	Q76NI1	S985	EGSQSPRSPSSKRPS	77 / 9 AA	191
Phosphosite 7:	Basic salivary proline-rich protein 2	P02812	S299	SKSRSSRSPPGKPQG	77 / 9 AA	6
Phosphosite 8:	Basic salivary proline-rich protein 2	P02812	S175	NKSRSSRSPPGKPQG	77 / 9 AA	6
Phosphosite 9:	PPM1J	Q5JR12	S45	AAPEAPRSPPAKAGS	66 / 9 AA	55
Phosphosite 10:	CDSN	Q15517	S424	SASQSPCSPPGTGSF	77 / 9 AA	52
Phosphosite 11:	Basic salivary proline-rich protein 2	P02812	S52	NKPQGPPSPPGKPQG	77 / 9 AA	6
Phosphosite 12:	ZNF469	Q96JG9	S1404	LEPQLPRSPPGTAET	77 / 9 AA	259
Phosphosite 13:	PRB1	P04280	S275	DKSRSPQSPPGKPQG	77 / 9 AA	39
Phosphosite 14:	SIPA1L1	O43166	S1352	AATSSPRSGPGKEKV	87 / 8 AA	200
Phosphosite 15:	TTN	Q8WZ42	S18632	KHKFSPPSPPGKPVV	87 / 8 AA	3816
Phosphosite 16:	LSR	Q86X29	S467	WGGHSPRSPRGWDQE	75 / 8 AA	71
Phosphosite 17:	AMBN	Q9NP70	S369	PGLPRSPSGKMKGLP	85 / 7 AA	48
Phosphosite 18:	AMBN	Q9NP70	S367	DIPGLPRSPSGKMKG	85 / 7 AA	48
Phosphosite 19:	PDE1B	Q01064	S7	_MELSPRSPPEMLEE	75 / 8 AA	61
Phosphosite 20:	KIAA1543	Q9P1Y5	S780	GPSQSPRSPKHTRPA	100 / 6 AA	135