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:	SPEN
Human P-Site:	S2338
P-Site Sequence:	GRQKTTRSRRKRNTN
UniProt:	Q96T58
Intern. Prot. ID:	IPI00045914

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SPEN	Q96T58	S2338	GRQKTTRSRRKRNTN	100 / 9 AA	402
Phosphosite 1:	GRIK5	Q16478	S861	SCRKTSRSRRRRRPG	77 / 9 AA	109
Phosphosite 2:	TTC16	Q8NEE8	S767	SKTKTTRSPRQRPRK	77 / 9 AA	98
Phosphosite 3:	DNASE2B	Q8WZ79	S72	YLDSTTRSWRKSEQL	85 / 7 AA	42
Phosphosite 4:	SYCP2	Q9BX26	S473	QLEKTTPSKRKMSEA	75 / 8 AA	176
Phosphosite 5:	piccolo	Q9Y6V0	S3419	EWDMPTRSRRKARVG	75 / 8 AA	567
Phosphosite 6:	ITPKA	P23677	S351	TDFKTTRSREQVLRV	100 / 6 AA	51
Phosphosite 7:	MPP5	Q8N3R9	S517	AVPHTTRSRRDQEVA	75 / 8 AA	77
Phosphosite 8:	PRPF4B	Q13523	S215	VKEKTTRSKSKERKK	75 / 8 AA	117
Phosphosite 9:	GRIK5	Q16478	S859	AVSCRKTSRSRRRRR	85 / 7 AA	109
Phosphosite 10:	PLCH1	Q4KWH8	S561	KHKKTTKSRSKSYST	75 / 8 AA	189
Phosphosite 11:	TACR3	P29371	S423	NDADTTRSSRKKRAT	75 / 8 AA	52
Phosphosite 12:	SPEN	Q96T58	T2335	KDKGRQKTTRSRRKR	100 / 6 AA	402
Phosphosite 13:	ITPKA	P23677	T348	SCSTDFKTTRSREQV	100 / 6 AA	51
Phosphosite 14:	FAM178B	Q8IXR5	S668	FPDMTSRSRRLRSQL	66 / 9 AA	94
Phosphosite 15:	RACGAP1	Q9H0H5	S245	TVPYWTRSRRKTGTL	100 / 6 AA	71
Phosphosite 16:	USP28	Q96RU2	S137	TSAETKRSKRKRCEV	75 / 8 AA	122
Phosphosite 17:	C6orf194	Q5M9Q1	S183	RKKKTSRSRNKKKRK	66 / 9 AA	46
Phosphosite 18:	ADAMTS12	P58397	S78	LHYPITSSRRKRDLD	75 / 8 AA	178
Phosphosite 19:	MAP1B	P46821	S1980	SYEKTERSRRLLDDI	85 / 7 AA	271
Phosphosite 20:	TACR3	P29371	S424	DADTTRSSRKKRATP	75 / 8 AA	52