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:	S1401
P-Site Sequence:	RASALYESSRLSFLL
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	S1401	RASALYESSRLSFLL	100 / 9 AA	402
Phosphosite 1:	MED13	Q9UHV7	S1398	DLTAIYESCRLGQHR	66 / 9 AA	239
Phosphosite 2:	SPEN	Q96T58	Y1399	SPRASALYESSRLSF	100 / 7 AA	402
Phosphosite 3:	GPR35	Q9HC97	T261	IRRALYITSKLSDAN	66 / 9 AA	34
Phosphosite 4:	DUSP9	Q99956	S35	RSRELYESARIGGAL	62 / 8 AA	42
Phosphosite 5:	DDB1	Q16531	Y718	HIRTVPLYESPRKIC	71 / 7 AA	127
Phosphosite 6:	DDB1	Q16531	S720	RTVPLYESPRKICYQ	71 / 7 AA	127
Phosphosite 7:	IGSF10	Q6WRI0	Y616	IPGNNVLYQSSRDKK	71 / 7 AA	291
Phosphosite 8:	ERK3	Q16659	S591	QLEALYQSSWDSQFV	71 / 7 AA	83
Phosphosite 9:	TNRC18	O15417	S2906	MERALYQSSHVDEND	62 / 8 AA	315
Phosphosite 10:	KIAA1117	Q5JWR5	S1378	LYLQLYDSSRTLYAF	83 / 6 AA	277
Phosphosite 11:	CPNE4	Q96A23	S552	SSEMYESSRTLAP__	83 / 6 AA	62
Phosphosite 12:	IGSF10	Q6WRI0	S618	GNNVLYQSSRDKKVL	71 / 7 AA	291
Phosphosite 13:	ERK3	Q16659	Y589	LAQLEALYQSSWDSQ	71 / 7 AA	83
Phosphosite 14:	ASNA1	O43681	T258	EFLSLYETERLIQEL	62 / 8 AA	39
Phosphosite 15:	KLK15	Q9H2R5	Y40	QPWQVALYERGRFNC	71 / 7 AA	28
Phosphosite 16:	CPNE4	Q96A23	Y549	PKCSSEMYESSRTLA	71 / 7 AA	62
Phosphosite 17:	CPNE4	Q96A23	S551	CSSEMYESSRTLAP_	71 / 7 AA	62
Phosphosite 18:	DUSP6	Q16828	S47	RPQELYESSHIESAI	62 / 8 AA	42
Phosphosite 19:	RBM14	Q96PK6	T579	TPPPYERTRLSPPRA	71 / 7 AA	69
Phosphosite 20:	ZNF416	Q9BWM5	S245	GKRLYESSKCGKACC	83 / 6 AA	67