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:	PHF21A
Human P-Site:	S666
P-Site Sequence:	TPAPSPSSQSCTANC
UniProt:	Q96BD5
Intern. Prot. ID:	IPI00054460

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PHF21A	Q96BD5	S666	TPAPSPSSQSCTANC	100 / 9 AA	75
Phosphosite 1:	PHF21A	Q96BD5	S665	STPAPSPSSQSCTAN	100 / 8 AA	75
Phosphosite 2:	PHF21A	Q96BD5	S668	APSPSSQSCTANCNQ	100 / 7 AA	75
Phosphosite 3:	USP9Y	O00507	S2145	FASPGPSSQACDNLS	75 / 8 AA	291
Phosphosite 4:	USP9Y	O00507	S2144	PFASPGPSSQACDNL	75 / 8 AA	291
Phosphosite 5:	KIF18B	Q86Y91	S425	PLPPHPPSQPCTPEL	66 / 9 AA	92
Phosphosite 6:	ZC3H12A	Q5D1E8	S362	GRRPSPSSQSSSLLT	77 / 9 AA	66
Phosphosite 7:	ZC3H12A	Q5D1E8	S361	NGRRPSPSSQSSSLL	87 / 8 AA	66
Phosphosite 8:	STXBP5L	Q9Y2K9	S761	GHCTSPTSQSCSSGK	85 / 7 AA	132
Phosphosite 9:	SSPO	A2VEC9	S3893	WSSWSPCSRSCTDPA	75 / 8 AA	548
Phosphosite 10:	STXBP5L	Q9Y2K9	T760	NGHCTSPTSQSCSSG	85 / 7 AA	132
Phosphosite 11:	C9orf125	Q9BRR3	S330	LYSVVPASQCCTPAM	71 / 7 AA	47
Phosphosite 12:	MED1	Q15648	S1265	KTPPSSNSCTASSSS	85 / 7 AA	168
Phosphosite 13:	SPT5	O00267	S907	GSYQPSPSPQSYHQV	75 / 8 AA	121
Phosphosite 14:	ERV3	Q14264	S329	SSLEPAPSSQSIWFL	75 / 8 AA	68
Phosphosite 15:	Spry3	O43610	S108	ASITPSPSGQSIIRT	75 / 8 AA	31
Phosphosite 16:	MED1	Q15648	S1263	SQKTPPSSNSCTASS	85 / 7 AA	168
Phosphosite 17:	ERV3	Q14264	S330	SLEPAPSSQSIWFLK	75 / 8 AA	68
Phosphosite 18:	FAM131C	Q96AQ9	S217	AFSSPSPSPDSCPSP	75 / 8 AA	30
Phosphosite 19:	GGA2	Q9UJY4	S465	GPLAPSPSSQNTPLA	85 / 7 AA	67
Phosphosite 20:	PLCB3	Q01970	S512	SPQLGSPSSDSCPGL	85 / 7 AA	139