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:	S277
P-Site Sequence:	TPTTLPTSQNSIHPV
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	S277	TPTTLPTSQNSIHPV	100 / 9 AA	75
Phosphosite 1:	PHF21A	Q96BD5	T276	FTPTTLPTSQNSIHP	100 / 8 AA	75
Phosphosite 2:	PHB2	Q99623	S267	ISKTIATSQNRIYLT	66 / 9 AA	33
Phosphosite 3:	C19orf57	Q0VDD7	S95	EPAPLPPSQNSFGRF	75 / 8 AA	70
Phosphosite 4:	ARL2BP	Q9Y2Y0	S157	KSSSLPASQNNLRH_	55 / 9 AA	19
Phosphosite 5:	UBXD1	Q9BZV1	S75	SRAWGPTSQDTIRNQ	71 / 7 AA	50
Phosphosite 6:	VPS37A	Q8NEZ2	S216	VDASIPTSQNGFGYK	55 / 9 AA	44
Phosphosite 7:	RELN	P78509	S3164	TQCLPSSSNSIGCSP	75 / 8 AA	388
Phosphosite 8:	MDM4	O15151	S161	DIPTLPTSEHKCIHS	71 / 7 AA	55
Phosphosite 9:	HERC1	Q15751	S4808	PYDSLPTSQTCFFQL	55 / 9 AA	532
Phosphosite 10:	RELN	P78509	S3163	QTQCLPSSSNSIGCS	75 / 8 AA	388
Phosphosite 11:	epsin 3	Q9H201	S296	EEEKLKTSQSSILDL	75 / 8 AA	68
Phosphosite 12:	CAMTA1	Q9Y6Y1	S963	ALPTLPSSQHDWLSL	71 / 7 AA	184
Phosphosite 13:	Rad17	O75943	S646	ETWSLPLSQNSASEL	75 / 8 AA	76
Phosphosite 14:	AOX1	Q06278	S1256	HIALLPPSQNSNTLY	85 / 7 AA	148
Phosphosite 15:	EVI1	Q03112	S882	DEKALVTSQNSDLLD	75 / 8 AA	118
Phosphosite 16:	CAMTA1	Q9Y6Y1	S962	RALPTLPSSQHDWLS	71 / 7 AA	184
Phosphosite 17:	AP3M1	Q9Y2T2	T159	NVGDTLPTGQLSNIP	75 / 8 AA	47
Phosphosite 18:	MLL2	O14686	T1544	SERKELPTSQKGDDG	71 / 7 AA	564
Phosphosite 19:	MLL2	O14686	S1545	ERKELPTSQKGDDGP	71 / 7 AA	564
Phosphosite 20:	ZNF280C	Q8ND82	T543	FLQVTPPTSQNTTAR	75 / 8 AA	83