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:	PHF21B
Human P-Site:	S248
P-Site Sequence:	QPESTAESRPPTEEP
UniProt:	Q96EK2
Intern. Prot. ID:	IPI00738578

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PHF21B	Q96EK2	S248	QPESTAESRPPTEEP	100 / 9 AA	57
Phosphosite 1:	SPEG	Q15772	S371	SLAGTAESRPQTPLS	77 / 9 AA	354
Phosphosite 2:	LARP4	Q71RC2	S470	PHPSTAESKAPTPKF	77 / 9 AA	81
Phosphosite 3:	PCBP2	Q15366	S94	MTNSTAASRPPVTLR	87 / 8 AA	39
Phosphosite 4:	PCBP1	Q15365	S94	MTNSTAASRPPVTLR	87 / 8 AA	37
Phosphosite 5:	ERN2	Q76MJ5	T387	LGSGTAETRPPENTQ	75 / 8 AA	102
Phosphosite 6:	SF1	Q15637	S364	SLMSTTQSRPPWMNS	75 / 8 AA	68
Phosphosite 7:	HERC1	Q15751	S2812	QSGSTADSRPGAAVL	85 / 7 AA	532
Phosphosite 8:	KIF26A	Q9ULI4	S1124	VSVCTADSRDPTPQP	66 / 9 AA	190
Phosphosite 9:	PPP1R1A	Q13522	S113	ESTGTQESRPPGIPD	75 / 8 AA	19
Phosphosite 10:	PLEKHA7	Q6IQ23	S860	PSLSTSESKPPPQPS	75 / 8 AA	127
Phosphosite 11:	AKAP9	Q99996	S3339	SSDGTGQSRPPLPSE	62 / 8 AA	454
Phosphosite 12:	UBQLN4	Q9NRR5	T9	AEPSGAETRPPIRVT	66 / 9 AA	64
Phosphosite 13:	SLC39A4	Q6P5W5	S313	SGACTSQSRPPVQDQ	55 / 9 AA	68
Phosphosite 14:	BBX	Q8WY36	S550	SSDTTKESRPPDFIS	75 / 8 AA	105
Phosphosite 15:	APPL	Q9UKG1	S418	LRPAAGQSRPPTART	55 / 9 AA	80
Phosphosite 16:	PKN1	Q16512	S356	GGPGTPDSRPPFLSR	62 / 8 AA	104
Phosphosite 17:	TYRP1	P17643	S72	CEAVTADSRPHSPQY	62 / 8 AA	61
Phosphosite 18:	NT5C1B	Q96P26	S191	QLPRSLDSRPPTPPE	83 / 6 AA	69
Phosphosite 19:	DIDO1	Q9BTC0	S1038	PNISTSESRSPPEGD	75 / 8 AA	244
Phosphosite 20:	Per1	O15534	S273	FYGSTAPSRLPTWGT	77 / 9 AA	136