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:	RAR-alpha
Human P-Site:	S447
P-Site Sequence:	PPGSCSPSLSPSSNR
UniProt:	P10276
Intern. Prot. ID:	IPI00020071

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RAR-alpha	P10276	S447	PPGSCSPSLSPSSNR	100 / 9 AA	51
Phosphosite 1:	ACD	Q96AP0	S433	PLQSCTPSLSPRSHV	87 / 8 AA	58
Phosphosite 2:	SLCO5A1	Q9H2Y9	S49	SSASCRPSLSPTSGD	77 / 9 AA	92
Phosphosite 3:	RAR-alpha	P10276	S445	APPPGSCSPSLSPSS	100 / 7 AA	51
Phosphosite 4:	COL17A1	Q9UMD9	T269	NMASCSPTLHPGLST	66 / 9 AA	150
Phosphosite 5:	FBXO32	Q969P5	S343	NPESCSVSLSPQDFI	87 / 8 AA	42
Phosphosite 6:	ACD	Q96AP0	T431	SSPLQSCTPSLSPRS	85 / 7 AA	58
Phosphosite 7:	IHPK1	Q92551	S375	VASSCGPSTSPSNTS	77 / 9 AA	50
Phosphosite 8:	Elk-3	P41970	S245	PFSSRSPSLSPNSPL	77 / 9 AA	44
Phosphosite 9:	POU2F1	P14859	S523	SSAVTSPSLSPSPSA	100 / 7 AA	76
Phosphosite 10:	RAR-alpha	P10276	S449	GSCSPSLSPSSNRSS	100 / 7 AA	51
Phosphosite 11:	MAP1B	P46821	S1258	VSPSKSPSLSPSPPS	100 / 7 AA	271
Phosphosite 12:	NANOS3	P60323	S168	SEPSPSCSPSMST__	85 / 7 AA	19
Phosphosite 13:	C19orf50	Q9BQD3	S144	SPDTVSPSLSPGFED	66 / 9 AA	20
Phosphosite 14:	MSL3L2	P0C860	T327	HSRSSSPTLTPSQEG	66 / 9 AA	51
Phosphosite 15:	PHF21B	Q96EK2	S221	TPPSPSLSPSPLHGI	100 / 7 AA	57
Phosphosite 16:	POU2F1	P14859	S525	AVTSPSLSPSPSASA	100 / 7 AA	76
Phosphosite 17:	PHF21B	Q96EK2	S219	PLTPPSPSLSPSPLH	100 / 7 AA	57
Phosphosite 18:	MAP1B	P46821	S1260	PSKSPSLSPSPPSPL	100 / 7 AA	271
Phosphosite 19:	ADAMTS13	Q76LX8	S1314	WGEIVSPSLSPATSN	75 / 8 AA	154
Phosphosite 20:	COL17A1	Q9UMD9	S267	PNNMASCSPTLHPGL	83 / 6 AA	150