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:	RP1-21O18.1
Human P-Site:	S518
P-Site Sequence:	AEAGRSLSKAAELDH
UniProt:	Q674X7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RP1-21O18.1	Q674X7	S518	AEAGRSLSKAAELDH	100 / 9 AA	86
Phosphosite 1:	RP1-21O18.1	Q674X7	S516	RDAEAGRSLSKAAEL	100 / 7 AA	86
Phosphosite 2:	ZNRF3	Q9ULT6	S457	KLSGRSFSKAACFSQ	87 / 8 AA	101
Phosphosite 3:	C1orf106	Q3KP66	S581	SPAGRGLSKAAVSEE	87 / 8 AA	73
Phosphosite 4:	SI	P14410	S969	WRTGSSLSKAPECYF	77 / 9 AA	209
Phosphosite 5:	SOHLH1	Q5JUK2	S233	VPWPPGRSLPKAVRP	85 / 7 AA	35
Phosphosite 6:	RYR3	Q15413	T2459	LSKGRSLTKAQRDTI	85 / 7 AA	552
Phosphosite 7:	RYR1	P21817	T2596	LSRGRSLTKAQRDVI	85 / 7 AA	565
Phosphosite 8:	RYR3	Q15413	S2457	YRLSKGRSLTKAQRD	85 / 7 AA	552
Phosphosite 9:	RYR1	P21817	S2594	YRLSRGRSLTKAQRD	85 / 7 AA	565
Phosphosite 10:	TBC1D25	Q3MII6	S178	TQVGRTLSKVQQVLS	55 / 9 AA	76
Phosphosite 11:	SCARA5	Q6ZMJ2	S28	EDSFDGRSLSKLNLC	100 / 6 AA	54
Phosphosite 12:	WBSCR28	Q6UE05	S166	FRLGRQLSKALQVNC	66 / 9 AA	29
Phosphosite 13:	KIF4B	Q2VIQ3	S407	EKLSRCLSKAAGQTA	85 / 7 AA	140
Phosphosite 14:	ZNRF3	Q9ULT6	S455	RPKLSGRSFSKAACF	85 / 7 AA	101
Phosphosite 15:	ARFGEF3	Q5TH69	S1074	PEQGRSLSTAPVVQP	75 / 8 AA	241
Phosphosite 16:	SCARA5	Q6ZMJ2	S30	SFDGRSLSKLNLCED	100 / 6 AA	54
Phosphosite 17:	C2	P06681	S80	PGATRSLSKAVCKPV	85 / 7 AA	83
Phosphosite 18:	ARFGEF3	Q5TH69	S1072	HSPEQGRSLSTAPVV	85 / 7 AA	241
Phosphosite 19:	MYO15A	Q9UKN7	S128	RPRARSLSKASTAIN	85 / 7 AA	395
Phosphosite 20:	IPMK	Q8NFU5	T203	QHYGRSLTKETIKDG	62 / 8 AA	47