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:	C4orf21
Human P-Site:	T531
P-Site Sequence:	TQPFLEVTFNLNNFE
UniProt:	Q86YA3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf21	Q86YA3	T531	TQPFLEVTFNLNNFE	100 / 9 AA	119
Phosphosite 1:	KCNH6	Q9H252	T711	FWSKLEVTFNLRDAA	100 / 7 AA	110
Phosphosite 2:	KCNH2	Q12809	T859	FWSSLEITFNLRDTN	85 / 7 AA	127
Phosphosite 3:	MTERF	Q99551	T262	NIEFLRSTFNLNSEE	77 / 9 AA	46
Phosphosite 4:	B3GALT5	Q9Y2C3	Y128	QKDFLDVYYNLTLKT	62 / 8 AA	36
Phosphosite 5:	OSBPL9	Q96SU4	T673	RSLWKDVTFNLKIRD	55 / 9 AA	83
Phosphosite 6:	KCNH7	Q9NS40	T862	FLTNLELTFNLRHES	85 / 7 AA	135
Phosphosite 7:	HSPA2	P54652	T480	GVPQIEVTFDIDANG	50 / 8 AA	70
Phosphosite 8:	HSPA8	P11142	T477	GVPQIEVTFDIDANG	50 / 8 AA	71
Phosphosite 9:	HSPA1A	P08107	T477	GVPQIEVTFDIDANG	50 / 8 AA	70
Phosphosite 10:	ASB17	Q8WXJ9	S84	SGYRFEVSFNLDFTE	62 / 8 AA	34
Phosphosite 11:	FBXO18	Q8NFZ0	Y487	WSQSRFLYVTFNKSI	85 / 7 AA	118
Phosphosite 12:	MBNL1	Q9NR56	T284	LKRPLEATFDLGIPQ	62 / 8 AA	42
Phosphosite 13:	FBXO18	Q8NFZ0	T489	QSRFLYVTFNKSIAK	85 / 7 AA	118
Phosphosite 14:	BEST4	Q8NFU0	S378	LRPSFLGSTFNLRMS	75 / 8 AA	53
Phosphosite 15:	RAD51AP2	Q09MP3	T196	ENPFLDVTFYKETKS	83 / 6 AA	134
Phosphosite 16:	BEST4	Q8NFU0	T379	RPSFLGSTFNLRMSD	75 / 8 AA	53
Phosphosite 17:	AQR	O60306	T540	TRVRADVTINLNVRD	71 / 7 AA	171
Phosphosite 18:	C12orf35	Q9HCM1	T1303	KLRFHEVTFHSSNKM	71 / 7 AA	195
Phosphosite 19:	OBSL1	O75147	T496	REDAGEVTFSLGNSR	71 / 7 AA	153
Phosphosite 20:	NLRP1	Q9C000	T1247	RVHPEEVTFHLYLIP	83 / 6 AA	166