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:	S202
P-Site Sequence:	LSEPPAASSGPLQDS
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	S202	LSEPPAASSGPLQDS	100 / 9 AA	52
Phosphosite 1:	IGSF21	Q96ID5	S203	SEPPAASSGPLQDSR	100 / 8 AA	52
Phosphosite 2:	AKAP8	O43823	S216	PFVPPAASSEPLSTP	88 / 9 AA	76
Phosphosite 3:	FMNL2	Q96PY5	S522	GPTMGAASSGPLPPP	100 / 7 AA	123
Phosphosite 4:	TMEM24	O14523	S584	PSDPPAMSPGPLDAL	77 / 9 AA	76
Phosphosite 5:	FMNL2	Q96PY5	S523	PTMGAASSGPLPPPP	100 / 7 AA	123
Phosphosite 6:	AKAP8	O43823	S217	FVPPAASSEPLSTPW	87 / 8 AA	76
Phosphosite 7:	TAP1	Q03518	S29	SFPPPAASRGGLGGT	77 / 9 AA	87
Phosphosite 8:	SFI1	A8K8P3	S1077	PKQPPTASTGPELLL	75 / 8 AA	148
Phosphosite 9:	AMMECR1L	Q6DCA0	S46	TTVPGSSSGPLQNHQ	75 / 8 AA	35
Phosphosite 10:	ZNF828	Q96JM3	S330	WKSNPSASSGPWKPA	75 / 8 AA	89
Phosphosite 11:	ZNF828	Q96JM3	S331	KSNPSASSGPWKPAK	75 / 8 AA	89
Phosphosite 12:	TMEM16C	Q9BYT9	S152	NDMNYIASSGPLFKD	100 / 6 AA	114
Phosphosite 13:	Ataxin-3	P54252	S335	CERPATSSGALGSDL	75 / 8 AA	42
Phosphosite 14:	ARHGAP14	O43295	S821	KADSEASSGPLLDDK	85 / 7 AA	125
Phosphosite 15:	KIAA1109	Q2LD37	S2227	ANRPPPGSSGPVTGA	66 / 9 AA	555
Phosphosite 16:	RNF34	Q969K3	T55	STYPPAATEGPNIVC	75 / 8 AA	42
Phosphosite 17:	EVC2	Q86UK5	S120	LSTSAASSGPWAHSL	85 / 7 AA	148
Phosphosite 18:	MUC5B	Q9HC84	S4935	PTSPPPVSSAPLSSP	66 / 9 AA	590
Phosphosite 19:	SNTG2	Q9NY99	S12	GPPPPAASRGRQGCL	85 / 7 AA	60
Phosphosite 20:	SYN2	Q92777	S55	SAAPPTASPGPERTP	75 / 8 AA	63