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:	S307
P-Site Sequence:	NCVIYSLSNSVFQRG
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	S307	NCVIYSLSNSVFQRG	100 / 9 AA	40
Phosphosite 1:	HSD3B2	P26439	S322	NRHTVTLSNSVFTFS	85 / 7 AA	42
Phosphosite 2:	OR10A3	P58181	S291	LLNPLIYSLRNSEMK	85 / 7 AA	36
Phosphosite 3:	OR10A5	Q9H207	S292	MLNPIIYSLRNSEVK	85 / 7 AA	36
Phosphosite 4:	HSD3B2	P26439	S324	HTVTLSNSVFTFSYK	85 / 7 AA	42
Phosphosite 5:	GCNT4	Q9P109	S51	YLVEYSLSTSPFVRN	75 / 8 AA	53
Phosphosite 6:	ST5	P78524	S48	RSPIYPLSDSETSAC	71 / 7 AA	126
Phosphosite 7:	KCTD21	Q4G0X4	S135	REAPQIYSLSSSSME	85 / 7 AA	30
Phosphosite 8:	SFRS14	Q8IX01	S66	SDGRYSLSGSVAHSR	85 / 7 AA	120
Phosphosite 9:	SLIT1	O75093	S800	NNKISSLSNSSFTNM	77 / 9 AA	168
Phosphosite 10:	OR4A5	Q8NH83	T285	MLSPLIYTLRNSEMR	71 / 7 AA	35
Phosphosite 11:	OR14L1P	Q8NHC6	S292	TLNPVIYSLRNRDMK	71 / 7 AA	35
Phosphosite 12:	OR2A5	Q96R48	S291	MLNPLIYSLRNAEVK	71 / 7 AA	35
Phosphosite 13:	OR2A14	Q96R47	S290	MLNPLIYSLRNAEVK	71 / 7 AA	35
Phosphosite 14:	RES4-22D	P78312	Y309	SAKFADIYPLSNYDD	83 / 6 AA	140
Phosphosite 15:	OR2V2	Q96R30	S292	MLNPLIYSLRNREVM	71 / 7 AA	35
Phosphosite 16:	NID1	P14543	S654	KILRYALSNSIGPVR	71 / 7 AA	136
Phosphosite 17:	OR1F12	Q8NHA8	S291	VLNPFIYSLRNNELK	71 / 7 AA	37
Phosphosite 18:	OR10A2	Q9H208	S278	MLNPIIYSLRNNEVK	71 / 7 AA	34
Phosphosite 19:	OR14J1	Q9UGF5	S289	TLNPVIYSLRNDSMK	83 / 6 AA	36
Phosphosite 20:	OR7D2	Q96RA2	S291	MLNPFIYSLRNKDVK	83 / 6 AA	35