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:	S421
P-Site Sequence:	SPTRQSLSLSEGEEQ
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	S421	SPTRQSLSLSEGEEQ	100 / 9 AA	86
Phosphosite 1:	CCDC88C	Q9P219	S1961	TPVRAGLSLSEGDGV	77 / 9 AA	228
Phosphosite 2:	LNX2	Q8N448	S225	DTTQQPLSLPEGEIT	66 / 9 AA	76
Phosphosite 3:	RP1-21O18.1	Q674X7	S419	QCSPTRQSLSLSEGE	100 / 7 AA	86
Phosphosite 4:	ARL4A	P40617	S143	QDLRNSLSLSEIEKL	87 / 8 AA	23
Phosphosite 5:	ADAMTS14	Q8WXS8	S321	VGYRQSLSLIERGNP	87 / 8 AA	134
Phosphosite 6:	MAP1A	P78559	S1198	PEDTQSLSLSEESPS	100 / 7 AA	306
Phosphosite 7:	NRG2	O14511	S764	RAARDSLSLSSGSGG	77 / 9 AA	92
Phosphosite 8:	RP1-21O18.1	Q674X7	S423	TRQSLSLSEGEEQMD	100 / 7 AA	86
Phosphosite 9:	NP60	Q49A26	S130	GDEKRKLSLSEGKVK	66 / 9 AA	61
Phosphosite 10:	ACCSL	Q4AC99	S54	LTSRQGLSLEERRHT	75 / 8 AA	65
Phosphosite 11:	SPAG5	Q96R06	S362	MLENLRQSLSLPSML	85 / 7 AA	134
Phosphosite 12:	FRMD6	Q96NE9	S544	STDRHSLSLDDIRLY	62 / 8 AA	72
Phosphosite 13:	UPK3B	Q9BT76	S27	NCLRPSLSLGEWGSW	75 / 8 AA	34
Phosphosite 14:	SPAG5	Q96R06	S364	ENLRQSLSLPSMLRD	85 / 7 AA	134
Phosphosite 15:	MTBP	Q96DY7	S139	SNSRESLSLADLYEE	62 / 8 AA	102
Phosphosite 16:	TTC16	Q8NEE8	S683	QGQRQSLSKTEPTQS	75 / 8 AA	98
Phosphosite 17:	BRMS1	Q9HCU9	S173	RLEEDRQSLDLSSEW	85 / 7 AA	28
Phosphosite 18:	CHMP7	Q8WUX9	S429	EAELEKLSLSEGGLV	75 / 8 AA	51
Phosphosite 19:	MYH9	P35579	S1326	EENRQKLSLSTKLKQ	85 / 7 AA	227
Phosphosite 20:	NP60	Q49A26	S132	EKRKLSLSEGKVKKN	100 / 6 AA	61