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:	S221
P-Site Sequence:	TPPSPSLSPSPLHGI
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	S221	TPPSPSLSPSPLHGI	100 / 9 AA	57
Phosphosite 1:	PHOX2A	O14813	S206	GLASPRLSPSPLPVA	88 / 9 AA	30
Phosphosite 2:	FCHO1	O14526	S585	GDLSRSLSPSPLGSS	88 / 9 AA	97
Phosphosite 3:	POU2F1	P14859	S525	AVTSPSLSPSPSASA	100 / 8 AA	76
Phosphosite 4:	MAP1B	P46821	S1260	PSKSPSLSPSPPSPL	100 / 8 AA	271
Phosphosite 5:	SMAD3	P84022	S208	DAGSPNLSPNPMSPA	66 / 9 AA	48
Phosphosite 6:	FOXN4	Q96NZ1	S391	LHALPDLSPSPLPHP	87 / 8 AA	55
Phosphosite 7:	PHF21B	Q96EK2	S223	PSPSLSPSPLHGIFQ	100 / 7 AA	57
Phosphosite 8:	SRRM2	Q9UQ35	S2123	CFSRPSMSPTPLDRC	75 / 8 AA	300
Phosphosite 9:	FCHO1	O14526	S587	LSRSLSPSPLGSSAA	100 / 7 AA	97
Phosphosite 10:	NCRNA00095	Q494R0	S20	DGRLPSLSRSPLSTT	87 / 8 AA	13
Phosphosite 11:	C1orf182	Q96A04	S112	NSSLPALSPNPLLNH	75 / 8 AA	14
Phosphosite 12:	CCDC45	Q96GE4	S451	PYRSHSLSPSPVNKH	77 / 9 AA	95
Phosphosite 13:	PKD1L2	Q7Z442	T1639	DRGSPNLTPSPQPME	75 / 8 AA	273
Phosphosite 14:	INO80B	Q9C086	S132	EDSNLSPSPLRDLSG	85 / 7 AA	39
Phosphosite 15:	POU2F1	P14859	S523	SSAVTSPSLSPSPSA	100 / 7 AA	76
Phosphosite 16:	ZEB1	P37275	S317	QCSSPSLSASPGSPT	87 / 8 AA	124
Phosphosite 17:	MBD5	Q9P267	S435	HSASTSLSPSPVTSP	77 / 9 AA	160
Phosphosite 18:	ANKS6	Q68DC2	T738	KSTSPTLTPSPSPKG	75 / 8 AA	92
Phosphosite 19:	KIF24	Q5T7B8	S1131	GGDLPALSPSPIRQH	75 / 8 AA	152
Phosphosite 20:	INO80B	Q9C086	S130	LDEDSNLSPSPLRDL	85 / 7 AA	39