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:	S663
P-Site Sequence:	ATSTPAPSPSSQSCT
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	S663	ATSTPAPSPSSQSCT	100 / 9 AA	75
Phosphosite 1:	HPS1	Q92902	S306	EYFTPAPSPGDQSSG	77 / 9 AA	79
Phosphosite 2:	GGA2	Q9UJY4	S465	GPLAPSPSSQNTPLA	100 / 7 AA	67
Phosphosite 3:	DSEL	Q8IZU8	S506	NVLVFAPSPSSQCNK	100 / 7 AA	139
Phosphosite 4:	ST5	P78524	S368	KPGTPGNSPSSQRLP	77 / 9 AA	126
Phosphosite 5:	GCN5-like 2	Q92830	S33	PTPTPAPSPASAPIP	87 / 8 AA	94
Phosphosite 6:	ACY3	Q96HD9	S316	PALTPAPSPAS____	87 / 8 AA	35
Phosphosite 7:	GGA2	Q9UJY4	S463	EAGPLAPSPSSQNTP	100 / 7 AA	67
Phosphosite 8:	PHF21A	Q96BD5	S665	STPAPSPSSQSCTAN	100 / 7 AA	75
Phosphosite 9:	ESAM	Q96AP7	S336	GALTPTPSLSSQALP	77 / 9 AA	41
Phosphosite 10:	RFX6	Q8HWS3	S880	SLQTPIPSSSSQCMY	77 / 9 AA	102
Phosphosite 11:	FAM127A	O15255	S87	LWSEPPPSPSSQPAP	87 / 8 AA	22
Phosphosite 12:	CCDC6	Q16204	S431	KRPTPPPSPNTQTPV	66 / 9 AA	53
Phosphosite 13:	TMEM16H	Q9HCE9	S1215	PLETPAPSPSPSPSP	100 / 7 AA	136
Phosphosite 14:	LGTN	P41214	S361	SFVIPEPSPTSQTIQ	66 / 9 AA	65
Phosphosite 15:	MED15	Q96RN5	S476	VSSGPAPSPSSFLPS	100 / 7 AA	87
Phosphosite 16:	CASKIN1	Q8WXD9	S1302	AGPSPAPSPARQPPA	66 / 9 AA	150
Phosphosite 17:	PALLD	Q8WX93	S754	SGHGTPASSPSSSSL	87 / 8 AA	151
Phosphosite 18:	CLCN1	P35523	S933	SPETPVPSPSPEPPL	66 / 9 AA	109
Phosphosite 19:	EBF4	Q9BQW3	S467	SPRGFAPSPGSQQSG	85 / 7 AA	64
Phosphosite 20:	PALLD	Q8WX93	S755	GHGTPASSPSSSSLP	87 / 8 AA	151