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:	IGSF21
Human P-Site:	S247
P-Site Sequence:	RPYTERPSRGLTPDP
UniProt:	Q96ID5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGSF21	Q96ID5	S247	RPYTERPSRGLTPDP	100 / 9 AA	52
Phosphosite 1:	GAS2L1	Q99501	S384	GPRRERPSRRLTTGT	87 / 8 AA	73
Phosphosite 2:	PHLDB1	Q86UU1	S654	ALAGRRPSRGLAGAS	85 / 7 AA	151
Phosphosite 3:	NPNT	Q6UXI9	T352	TTPERPTTGLTTIAP	75 / 8 AA	62
Phosphosite 4:	SEMA3B	Q13214	T625	AEERTERTARGLLLR	75 / 8 AA	83
Phosphosite 5:	NPNT	Q6UXI9	T351	PTTPERPTTGLTTIA	75 / 8 AA	62
Phosphosite 6:	PAK4	O96013	S217	RADTDHPSRGAQGEP	71 / 7 AA	64
Phosphosite 7:	Putative uncharacterized protein FLJ46235	Q6ZRM9	S99	RGISRPSSGLTAASR	85 / 7 AA	22
Phosphosite 8:	SLC44A5	Q8NCS7	S302	NLQERPSSVLTIYDI	75 / 8 AA	82
Phosphosite 9:	Putative uncharacterized protein FLJ46235	Q6ZRM9	S98	PRGISRPSSGLTAAS	85 / 7 AA	22
Phosphosite 10:	RBM15	Q96T37	S409	EVDIKRPSRGQTSTY	85 / 7 AA	107
Phosphosite 11:	SLC44A5	Q8NCS7	S301	TNLQERPSSVLTIYD	75 / 8 AA	82
Phosphosite 12:	Putative uncharacterized protein FLJ44672	Q6ZQT7	S85	AKLPRPSSGLTVASP	85 / 7 AA	25
Phosphosite 13:	Putative uncharacterized protein FLJ44672	Q6ZQT7	S84	EAKLPRPSSGLTVAS	85 / 7 AA	25
Phosphosite 14:	SLITRK6	Q9H5Y7	S674	HHTTERPSASLYEQH	75 / 8 AA	93
Phosphosite 15:	IL4I1	Q96RQ9	S380	HSNTDRPSRMIFYPP	83 / 6 AA
Phosphosite 16:	Uncharacterized protein FLJ14100	Q9H7Y2	S177	SSGTSRPSRGRLEAR	85 / 7 AA	24
Phosphosite 17:	NARFL	Q9H6Q4	S413	LQAPDRPSRELLQHV	71 / 7 AA	53
Phosphosite 18:	ASB10	Q8WXI3	S32	ARLVEKPSRGSEEHL	71 / 7 AA	51
Phosphosite 19:	CCDC108	Q6ZU64	S930	KLLAVQPSRGLIQPN	71 / 7 AA	217
Phosphosite 20:	TREM1	Q9NP99	S74	LACTERPSKNSHPVQ	71 / 7 AA	26