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:	S48
P-Site Sequence:	QAKITALSEKQKRVV
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	S48	QAKITALSEKQKRVV	100 / 9 AA	75
Phosphosite 1:	KIF6	Q6ZMV9	S288	EQVIIALSEKHRSHI	66 / 9 AA	93
Phosphosite 2:	PHF21B	Q96EK2	S37	QPRIAALSDKQALGT	75 / 8 AA	57
Phosphosite 3:	IL1RN	P18510	S114	AVNITDLSENRKQDK	66 / 9 AA	20
Phosphosite 4:	ABCA13	Q86UQ4	S934	SDLFSALSEPQKQEV	66 / 9 AA	576
Phosphosite 5:	ATM	Q13315	S1990	STTISSLSEKSKEET	66 / 9 AA	351
Phosphosite 6:	LMNA	P02545	S153	AALSTALSEKRTLEG	85 / 7 AA	74
Phosphosite 7:	CYTSA	Q69YQ0	S902	SKPLTALSDKRPNYG	62 / 8 AA	125
Phosphosite 8:	VWA3B	Q502W6	S807	SSRRTALSDKEMSIL	62 / 8 AA	146
Phosphosite 9:	TP53BP1	Q12888	S1548	DTEVTALSEDEYFSA	62 / 8 AA	214
Phosphosite 10:	FLJ30092	Q9Y4D8	S2375	SVSRTALSEKKPTVK	100 / 6 AA	328
Phosphosite 11:	CROCC	Q5TZA2	S1075	ESEKTALSEKLMGTR	100 / 6 AA	229
Phosphosite 12:	KIF26B	Q2KJY2	S876	GPNGTALSDKELTDN	71 / 7 AA	224
Phosphosite 13:	UCN3	Q969E3	S41	SCLNTALSEAEKGQW	75 / 8 AA	18
Phosphosite 14:	ATR	Q13535	S2418	LPKSAALSEKLKVFR	75 / 8 AA	301
Phosphosite 15:	USP34	Q70CQ2	S1204	SSHLKALSDKQSLPL	62 / 8 AA	404
Phosphosite 16:	CCDC158	Q5M9N0	T284	EVEITGLTEKASSAR	71 / 7 AA	127
Phosphosite 17:	RLN1	P04808	S103	PELKAALSERQPSLP	71 / 7 AA	21
Phosphosite 18:	PPP1R12B	O60237	T891	KLYESALTENQKLKT	62 / 8 AA	110
Phosphosite 19:	LRRC8D	Q7L1W4	S789	LGQNCITSLPEKVGQ	71 / 7 AA	98
Phosphosite 20:	RIF1	Q5UIP0	S1707	IGISDISSLSEKTFQ	71 / 7 AA	274