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:	S340
P-Site Sequence:	NDPYTVRSKGPLNGC
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	S340	NDPYTVRSKGPLNGC	100 / 9 AA	40
Phosphosite 1:	FAM149A	A5PLN7	S205	RHGFTVRSKDSLPTH	66 / 9 AA	83
Phosphosite 2:	SETDB1	Q15047	S427	PNMGAVRSKGPVVQY	75 / 8 AA	143
Phosphosite 3:	TRIM28	Q13263	S194	TKDHTVRSTGPAKSR	75 / 8 AA	89
Phosphosite 4:	DNAJC3	Q13217	T305	EPSIAEYTVRSKERI	100 / 6 AA	58
Phosphosite 5:	GPR21	Q99679	T337	TTANDPYTVRSKGPL	100 / 6 AA	40
Phosphosite 6:	GPR160	Q9UJ42	T233	FSSHSSYTVRSKKIF	100 / 6 AA	40
Phosphosite 7:	GPR160	Q9UJ42	S236	HSSYTVRSKKIFLSK	100 / 6 AA	40
Phosphosite 8:	PTPN21	Q16825	S19	TRRYTVSSKSCLVAR	66 / 9 AA	133
Phosphosite 9:	FLNA	P21333	S995	DQEFTVKSKGAGGQG	62 / 8 AA	281
Phosphosite 10:	EFHA1	Q8IYU8	S31	VSRQAVRSPGPLAAA	75 / 8 AA	50
Phosphosite 11:	HNRNPUL2	Q1KMD3	S226	EEAYHSRSKSPLPPE	66 / 9 AA	85
Phosphosite 12:	TRIM28	Q13263	T195	KDHTVRSTGPAKSRD	85 / 7 AA	89
Phosphosite 13:	OR4K3	Q96R72	T288	LLNPVIYTVRNKDVK	83 / 6 AA	35
Phosphosite 14:	FAM149A	A5PLN7	T202	GRRRHGFTVRSKDSL	83 / 6 AA	83
Phosphosite 15:	ANKZF1	Q9H8Y5	T237	HKTFHRYTVRAKRGT	83 / 6 AA	81
Phosphosite 16:	GREB1L	Q9C091	S228	RSSQGVLSKGPLICW	85 / 7 AA	214
Phosphosite 17:	C3orf45	Q8N112	S31	PMMPSQRSRGPLAPN	62 / 8 AA	18
Phosphosite 18:	INADL	Q8NI35	S351	VALPTVASKGPGSDS	85 / 7 AA	196
Phosphosite 19:	GPR21	Q99679	Y336	QTTANDPYTVRSKGP	100 / 5 AA	40
Phosphosite 20:	RPL11	P62913	S59	KARYTVRSFGIRRNE	85 / 7 AA	20