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:	S230
P-Site Sequence:	TKMQKSLSLLDAENR
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	S230	TKMQKSLSLLDAENR	100 / 9 AA	52
Phosphosite 1:	SFRS18	Q8TF01	S467	HKEQNSLSLLEAREA	77 / 9 AA	93
Phosphosite 2:	SYNE2	Q8WXH0	S3452	ALWEKWLSLLEAAKE	66 / 9 AA	796
Phosphosite 3:	C1orf124	Q9H040	S30	DHAQESLSLVDASWE	77 / 9 AA	55
Phosphosite 4:	IGSF21	Q96ID5	S228	DDTKMQKSLSLLDAE	100 / 7 AA	52
Phosphosite 5:	SOCS7	O14512	S317	PPPRRSLSLLDDISG	75 / 8 AA	54
Phosphosite 6:	ABCA4	P78363	S540	QLTQRALSLLEENMF	55 / 9 AA	256
Phosphosite 7:	RICH2	Q17R89	T231	EYHRKSLTLLQAVLP	66 / 9 AA	89
Phosphosite 8:	MED12	Q93074	S1472	RDRQKQKSMSLLSQQ	85 / 7 AA	243
Phosphosite 9:	MED12L	Q86YW9	S1458	RDRQKQKSMSLLSQQ	85 / 7 AA	240
Phosphosite 10:	MED12	Q93074	S1474	RQKQKSMSLLSQQPF	85 / 7 AA	243
Phosphosite 11:	MED12L	Q86YW9	S1460	RQKQKSMSLLSQQPF	85 / 7 AA	240
Phosphosite 12:	FRMPD3	Q5JV73	S925	LSEQKNLSLLSPVPE	66 / 9 AA	199
Phosphosite 13:	SLC6A19	Q695T7	S483	NSGQYWLSLLDSYAG	66 / 9 AA	71
Phosphosite 14:	JRKL	Q9Y4A0	T361	KSFWKKLTLLDALYE	75 / 8 AA	51
Phosphosite 15:	E2F7	Q96AV8	S146	RPSRKQKSLGLLCQK	85 / 7 AA	100
Phosphosite 16:	RFXAP	O00287	S237	VLNQKRLSLLRSPEV	85 / 7 AA	28
Phosphosite 17:	Cdc27	P30260	S141	GSECYQKSLSLNPFL	100 / 6 AA	92
Phosphosite 18:	Cdc27	P30260	S143	ECYQKSLSLNPFLWS	100 / 6 AA	92
Phosphosite 19:	IGHG3	P01860	S372	RFTQKSLSLSPGK__	100 / 6 AA	41
Phosphosite 20:	IGHG2	P01859	S321	HYTQKSLSLSPGK__	100 / 6 AA	36