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:	RapGEF1
Human P-Site:	S421
P-Site Sequence:	LPESLGESGSPFLGP
UniProt:	Q13905
Intern. Prot. ID:	IPI00332841

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RapGEF1	Q13905	S421	LPESLGESGSPFLGP	100 / 9 AA	121
Phosphosite 1:	RapGEF1	Q13905	S423	ESLGESGSPFLGPPF	100 / 7 AA	121
Phosphosite 2:	LIN54	Q6MZP7	S148	ILTTLGKSGSPIVLA	66 / 9 AA	79
Phosphosite 3:	SHANK3	Q9BYB0	S1090	SGPSLGPSGSTFIHP	77 / 9 AA	186
Phosphosite 4:	ADNP	Q9H2P0	S891	EESNESGSPFDPVFE	100 / 6 AA	124
Phosphosite 5:	ADNP	Q9H2P0	S889	LEEESNESGSPFDPV	100 / 6 AA	124
Phosphosite 6:	NES	P48681	S1577	VSEGDRGSPFQEEEG	71 / 7 AA	177
Phosphosite 7:	RFX2	P48378	S313	KTDSLGDSGSHSGLH	75 / 8 AA	80
Phosphosite 8:	PKNOX1	P55347	S166	LLSGEPGSPYSPVQS	71 / 7 AA	48
Phosphosite 9:	PDSS2	Q86YH6	S17	LPRYLGASGSPRRLW	85 / 7 AA	44
Phosphosite 10:	ZNF652	Q9Y2D9	S55	TKVYKRESGSPYSVL	83 / 6 AA	70
Phosphosite 11:	ZNF652	Q9Y2D9	S57	VYKRESGSPYSVLVD	83 / 6 AA	70
Phosphosite 12:	ZNF469	Q96JG9	T644	PPTHPQETGSPFPSP	83 / 6 AA	259
Phosphosite 13:	PACSIN1	Q9BY11	S365	TEWSDDESGNPFGGS	71 / 7 AA	51
Phosphosite 14:	CAPG	P40121	S8	MYTAIPQSGSPFPGS	55 / 9 AA	39
Phosphosite 15:	DHRSX	Q8N5I4	S169	LLDTLKESGSPGHSA	75 / 8 AA	36
Phosphosite 16:	ZNF469	Q96JG9	S646	THPQETGSPFPSPEP	83 / 6 AA	259
Phosphosite 17:	ASXL1	Q8IXJ9	S199	GCHADGESGSPSSSS	100 / 6 AA	165
Phosphosite 18:	COL2A1	P02458	S311	APGVKGESGSPGENG	100 / 6 AA	142
Phosphosite 19:	TRRAP	Q9Y4A5	S1552	AMLIEAGSPFREPLI	83 / 6 AA	438
Phosphosite 20:	COL11A2	P13942	S1220	GEPGESGSPGIQGEP	100 / 6 AA	172