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:	S295
P-Site Sequence:	RHSRTPSSDGTVEVR
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	S295	RHSRTPSSDGTVEVR	100 / 9 AA	52
Phosphosite 1:	IGSF21	Q96ID5	S294	LRHSRTPSSDGTVEV	100 / 8 AA	52
Phosphosite 2:	p63	Q9H3D4	S622	HLLRTPSSASTVSVG	77 / 9 AA	77
Phosphosite 3:	MED1	Q15648	S1000	GKRSRTPSNDGKSKD	85 / 7 AA	168
Phosphosite 4:	ZIC5	Q96T25	S615	PSHLHTPSSNGTTSE	75 / 8 AA	66
Phosphosite 5:	ZIC5	Q96T25	S616	SHLHTPSSNGTTSET	75 / 8 AA	66
Phosphosite 6:	R3HCC1	Q9Y3T6	S126	HQDIRVPSSDGLSGP	85 / 7 AA	53
Phosphosite 7:	DDEF1	Q9ULH1	S534	SPKPTPSSDMTVRKE	77 / 9 AA	106
Phosphosite 8:	R3HCC1	Q9Y3T6	S127	QDIRVPSSDGLSGPC	85 / 7 AA	53
Phosphosite 9:	PHF12	Q96QT6	S696	FSSPAPSSDGKVSPG	75 / 8 AA	110
Phosphosite 10:	REV1	Q9UBZ9	S232	FNGHTPSSNGALKTQ	55 / 9 AA	138
Phosphosite 11:	TRIO	O75962	S1565	WVGRTPTSDNKIVLK	55 / 9 AA	347
Phosphosite 12:	ATP10A	O60312	S647	SFPSTPSSDGMLLRL	75 / 8 AA	168
Phosphosite 13:	TRAD	O60229	S1554	WSGRTPSSDNKTVLK	85 / 7 AA	340
Phosphosite 14:	TRAD	O60229	S1553	LWSGRTPSSDNKTVL	100 / 6 AA	340
Phosphosite 15:	USP31	Q70CQ4	S1028	STTKRSPSSKGTSEP	75 / 8 AA	147
Phosphosite 16:	TERF1	P54274	S308	QSAVTESSEGTVSLL	75 / 8 AA	50
Phosphosite 17:	TRAD	O60229	T1551	FALWSGRTPSSDNKT	100 / 6 AA	340
Phosphosite 18:	USP31	Q70CQ4	S1029	TTKRSPSSKGTSEPE	75 / 8 AA	147
Phosphosite 19:	IGSF21	Q96ID5	T292	YFLRHSRTPSSDGTV	100 / 6 AA	52
Phosphosite 20:	TRAF7	Q6Q0C0	S62	QHCRTPSSSSTLAYS	66 / 9 AA	75