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:	S409
P-Site Sequence:	VPAELNGSMYRCTAQ
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	S409	VPAELNGSMYRCTAQ	100 / 9 AA	52
Phosphosite 1:	IGSF21	Q96ID5	Y411	AELNGSMYRCTAQNP	100 / 7 AA	52
Phosphosite 2:	MLH3	Q9UHC1	S1095	DVVLENGSQYRCQPF	85 / 7 AA	164
Phosphosite 3:	G6PC	P35575	S278	LGLALNSSMYRESCK	85 / 7 AA	41
Phosphosite 4:	TrpC3	Q13507	S843	LSEKLNPSMLRCE__	66 / 9 AA	97
Phosphosite 5:	AFAP1L1	Q8TED9	S385	SLAELKGSMSRAAGR	75 / 8 AA	86
Phosphosite 6:	CFLAR	O15519	Y449	LHIELNGYMYDWNSR	85 / 7 AA	55
Phosphosite 7:	PIPSL	A2A3N6	S210	IKYDLKGSTYRRRAS	62 / 8 AA	95
Phosphosite 8:	PHF16	Q92613	S25	STSFTSGSMYRIKSK	71 / 7 AA	94
Phosphosite 9:	PHF16	Q92613	Y27	SFTSGSMYRIKSKIP	71 / 7 AA	94
Phosphosite 10:	RBPJ	Q06330	T393	FGDVEAETMYRCGES	80 / 5 AA	56
Phosphosite 11:	RBPJ	Q06330	Y395	DVEAETMYRCGESML	80 / 5 AA	56
Phosphosite 12:	G6PC	P35575	Y280	LALNSSMYRESCKGK	83 / 6 AA	41
Phosphosite 13:	KIAA0564	A3KMH1	Y1726	VDVSGSMYRFNRMDG	83 / 6 AA	211
Phosphosite 14:	THBS1	P07996	Y674	GHYSDPMYRCECKPG	57 / 7 AA	129
Phosphosite 15:	MAPK8IP3	Q9UPT6	S35	RVSGLAGSIYREFER	71 / 7 AA	147
Phosphosite 16:	SPTBN4	Q9NRC6	S2733	FQAELDASMHQQQEL	50 / 8 AA	417
Phosphosite 17:	RalGDS	Q12967	Y814	DVDNGNMYKSILVTS	57 / 7 AA	101
Phosphosite 18:	F13A1	P00488	Y408	QENSDGMYRCGPASV	57 / 7 AA	83
Phosphosite 19:	RGL1	Q9NZL6	Y664	EDNNGNMYKSIMLTS	57 / 7 AA	87
Phosphosite 20:	IGSF21	Q96ID5	T414	NGSMYRCTAQNPLGS	100 / 4 AA	52