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:	CD28
Human P-Site:	Y209
P-Site Sequence:	TRKHYQPYAPPRDFA
UniProt:	P10747
Intern. Prot. ID:	IPI00022339

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CD28	P10747	Y209	TRKHYQPYAPPRDFA	100 / 9 AA	25
Phosphosite 1:	ROR1	Q01973	T839	PAAHYQPTGPPRVIQ	77 / 9 AA	104
Phosphosite 2:	FLNC	Q14315	Y1754	VPQLRQPYAPPRPGA	100 / 7 AA	291
Phosphosite 3:	DAAM2	Q86T65	Y246	AMLHYQVYAAERTRF	66 / 9 AA	123
Phosphosite 4:	DAAM1	Q9Y4D1	Y250	AMLHYQKYASERTRF	66 / 9 AA	123
Phosphosite 5:	CD28	P10747	Y206	PGPTRKHYQPYAPPR	100 / 6 AA	25
Phosphosite 6:	CCDC116	Q8IYX3	Y363	PTNGGQPYASPRPTV	85 / 7 AA	57
Phosphosite 7:	CCDC116	Q8IYX3	S365	NGGQPYASPRPTVSS	85 / 7 AA	57
Phosphosite 8:	WDYHV1	Q96HA8	S15	AVHYQPASPPRDACV	75 / 8 AA	24
Phosphosite 9:	TNPO2	O14787	S80	NVKAHYQSFPPPVAD	62 / 8 AA	101
Phosphosite 10:	TMEPAI	Q969W9	Y110	GIPEPQVYAPPRPTD	85 / 7 AA	32
Phosphosite 11:	GPATCH8	Q9UKJ3	Y1282	DLEHFPSYAPPSGDP	55 / 9 AA	164
Phosphosite 12:	GPATCH8	Q9UKJ3	S1281	PDLEHFPSYAPPSGD	62 / 8 AA	164
Phosphosite 13:	VGLL2	Q8N8G2	Y11	LDVMYQVYGPPQPYF	62 / 8 AA	33
Phosphosite 14:	QSER1	Q2KHR3	Y1113	GTDIYLPYTPPSSES	62 / 8 AA	190
Phosphosite 15:	QSER1	Q2KHR3	T1114	TDIYLPYTPPSSESC	62 / 8 AA	190
Phosphosite 16:	C1orf140	Q5VVS0	Y16	GDRIITPYTPPRSQP	83 / 6 AA	14
Phosphosite 17:	RUNX2	Q13950	T420	SATTHYHTYLPPPYP	62 / 8 AA	57
Phosphosite 18:	CTAGE5	O15320	Y762	PPRGFPPYLPPRPGF	62 / 8 AA	91
Phosphosite 19:	C1orf140	Q5VVS0	T17	DRIITPYTPPRSQPM	83 / 6 AA	14
Phosphosite 20:	PLD2	O14939	Y326	QLHRHDSYAPPRPGT	55 / 9 AA	106