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:	Proline-rich protein 20A
Human P-Site:	S68
P-Site Sequence:	QPPARPESPPPAERG
UniProt:	P86496
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Proline-rich protein 20A	P86496	S68	QPPARPESPPPAERG	100 / 9 AA
Phosphosite 1:	Meg-3	Q96TA1	S652	AQGLRPESPPPAGPL	100 / 8 AA	83
Phosphosite 2:	Meg-3	Q96TA1	S628	PFEASPESPPPASPD	88 / 9 AA	83
Phosphosite 3:	HAX1	O00165	S153	ESDARSESPQPAPDW	77 / 9 AA	32
Phosphosite 4:	IGSF9B	Q9UPX0	T1319	EELLRPETPPPTLPT	75 / 8 AA	147
Phosphosite 5:	TTN	Q8WZ42	S10321	IVTQREESPPPAVPE	87 / 8 AA	3816
Phosphosite 6:	ANKRD25	Q63ZY3	S375	AMPGRPESPPVFRSQ	85 / 7 AA	91
Phosphosite 7:	PTDSS2	Q9BVG9	S16	AGGPRPESPVPAGRA	87 / 8 AA	56
Phosphosite 8:	PRRT3	Q5FWE3	S402	EWPGRPQSHPPAPPV	66 / 9 AA	102
Phosphosite 9:	HIC1	Q14526	S270	ELPPRPDSPPSAGPA	75 / 8 AA	76
Phosphosite 10:	C2orf53	Q53SZ7	S61	TQSRRPSSPPPASPS	87 / 8 AA	45
Phosphosite 11:	MLLT6	P55198	S258	KHKKRPESPPSILTP	100 / 6 AA	112
Phosphosite 12:	BRD3	Q15059	S263	ITASRSESPPPLSDP	75 / 8 AA	80
Phosphosite 13:	ZFR2	Q9UPR6	S573	LLMGRPESPASAPLQ	66 / 9 AA	101
Phosphosite 14:	PHF15	Q9NQC1	S672	PILATPESPPPLAPE	87 / 8 AA	87
Phosphosite 15:	MYO16	Q9Y6X6	S1424	GHAARPDSPDPGESV	66 / 9 AA	206
Phosphosite 16:	ZFYVE28	Q9HCC9	S418	EALARPESPAGPFGW	100 / 6 AA	96
Phosphosite 17:	TAF3	Q5VWG9	T794	PSQNRPKTPPPAPAP	75 / 8 AA	104
Phosphosite 18:	RTKN	Q9BST9	T478	REGARLETPPPWLAM	75 / 8 AA	63
Phosphosite 19:	APBA2	Q99767	S55	LAALRPESPAPEEQE	85 / 7 AA	83
Phosphosite 20:	TTN	Q8WZ42	S11725	PVPERAESPPPEVYE	85 / 7 AA	3816