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:	GPR21
Human P-Site:	Y336
P-Site Sequence:	QTTANDPYTVRSKGP
UniProt:	Q99679
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GPR21	Q99679	Y336	QTTANDPYTVRSKGP	100 / 9 AA	40
Phosphosite 1:	GPR21	Q99679	T337	TTANDPYTVRSKGPL	100 / 8 AA	40
Phosphosite 2:	KIAA0664	O75153	T124	RVVEEPYTVREARIH	71 / 7 AA	147
Phosphosite 3:	HECW2	Q9P2P5	T1288	FEYSANDTYTVQISP	75 / 8 AA	176
Phosphosite 4:	HECW1	Q76N89	T1322	FEYSANDTYTVQISP	75 / 8 AA	180
Phosphosite 5:	HECW2	Q9P2P5	Y1289	EYSANDTYTVQISPM	75 / 8 AA	176
Phosphosite 6:	HECW1	Q76N89	Y1323	EYSANDTYTVQISPM	75 / 8 AA	180
Phosphosite 7:	DMWD	Q09019	Y379	NAVAFDPYTTRAEEA	66 / 9 AA	70
Phosphosite 8:	PHKG2	P15735	Y341	NALLRDPYALRSVRH	71 / 7 AA	46
Phosphosite 9:	TDRD12	Q587J7	Y633	KEFMNDPYIVITAME	62 / 8 AA	133
Phosphosite 10:	TTN	Q8WZ42	T26908	IKALDPFTVPSPPTS	71 / 7 AA	3816
Phosphosite 11:	PARS2	Q7L3T8	Y93	GCYHLLPYTVRAMEK	83 / 6 AA	53
Phosphosite 12:	RASGEF1B	Q0VAM2	T208	TVCNDPYTLAQQLTH	83 / 6 AA	55
Phosphosite 13:	DMWD	Q09019	T380	AVAFDPYTTRAEEAA	71 / 7 AA	70
Phosphosite 14:	GPR160	Q9UJ42	Y232	PFSSHSSYTVRSKKI	55 / 9 AA	40
Phosphosite 15:	SYCP2	Q9BX26	Y490	IVSGADRYTMRSPVL	71 / 7 AA	176
Phosphosite 16:	IQWD1	Q58WW2	Y155	MTVPNDPYTFLSCGE	66 / 9 AA	96
Phosphosite 17:	IQWD1	Q58WW2	T156	TVPNDPYTFLSCGED	75 / 8 AA	96
Phosphosite 18:	GPR160	Q9UJ42	T233	FSSHSSYTVRSKKIF	62 / 8 AA	40
Phosphosite 19:	Syk	P43405	Y431	MQQLDNPYIVRMIGI	57 / 7 AA	72
Phosphosite 20:	ZAP70	P43403	Y397	MHQLDNPYIVRLIGV	57 / 7 AA	70