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:	Y500
P-Site Sequence:	IKKMDGEYLGNNRLK
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	Y500	IKKMDGEYLGNNRLK	100 / 9 AA	402
Phosphosite 1:	ARFGEF1	Q9Y6D6	Y1039	VAHTDGNYLGNSWHE	66 / 9 AA	209
Phosphosite 2:	ARFGEF2	Q9Y6D5	Y984	VAHTDGNYLGNSWHE	66 / 9 AA	202
Phosphosite 3:	AP-2 alpha	P05549	Y413	LKAMDKMYLSNNPNS	66 / 9 AA	48
Phosphosite 4:	PNPT1	Q8TCS8	Y200	IGIIDGEYVVNPTRK	62 / 8 AA	86
Phosphosite 5:	AGBL4	Q5VU57	Y275	MLNPDGVYLGNYRCS	85 / 7 AA	62
Phosphosite 6:	TOMM40L	Q969M1	Y141	TWQFDGEYRGDDYTA	55 / 9 AA	34
Phosphosite 7:	SPATA6	Q9NWH7	Y445	FHLDDGEYWSNRAAS	71 / 7 AA	56
Phosphosite 8:	SF1	Q15637	Y313	KARMDKEYLSLMAEL	71 / 7 AA	68
Phosphosite 9:	COG2	Q14746	Y701	QLALDVEYLGEQIQK	62 / 8 AA	83
Phosphosite 10:	Septin-1	Q8WYJ6	Y5	___MDKEYVGFAALP	71 / 7 AA	42
Phosphosite 11:	MYD88	Q99836	Y58	AEEMDFEYLEIRQLE	83 / 6 AA	33
Phosphosite 12:	GTDC1	Q4AE62	Y235	LDTARQEYLGNSLRQ	83 / 6 AA	53
Phosphosite 13:	RTN4	Q9NQC3	Y251	ASFKEHEYLGNLSTV	62 / 8 AA	130
Phosphosite 14:	CTAGE3	Q8IX95	Y113	SELKDGAYLDNPPKG	62 / 8 AA	18
Phosphosite 15:	CES3	Q6UWW8	S398	VIDEYLGSNSDAQAK	83 / 6 AA	62
Phosphosite 16:	InsR	P06213	Y1254	KFVMDGGYLDQPDNC	83 / 6 AA	156
Phosphosite 17:	RSAD2	Q8WXG1	Y135	FLQDRGEYLGKLVRF	83 / 6 AA	42
Phosphosite 18:	PHYHIP	Q92561	Y99	VKQSDGEYLVSGWSE	100 / 5 AA	38
Phosphosite 19:	CES3	Q6UWW8	Y395	MPTVIDEYLGSNSDA	83 / 6 AA	62
Phosphosite 20:	ZNF597	Q96LX8	T138	ELSEYLGTNTLSEIL	83 / 6 AA	48