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:	MATR3
Human P-Site:	S621
P-Site Sequence:	GSQKTESSTEGKEQE
UniProt:	P43243
Intern. Prot. ID:	IPI00017297

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MATR3	P43243	S621	GSQKTESSTEGKEQE	100 / 9 AA	95
Phosphosite 1:	MATR3	P43243	S620	DGSQKTESSTEGKEQ	100 / 8 AA	95
Phosphosite 2:	MATR3	P43243	T622	SQKTESSTEGKEQEE	100 / 8 AA	95
Phosphosite 3:	CPSF1	Q10570	S56	ALTKNDRSTEGKAHR	66 / 9 AA	161
Phosphosite 4:	SFTPD	P35247	T320	LSMTDSKTEGKFTYP	75 / 8 AA	38
Phosphosite 5:	FNDC3B	Q53EP0	T553	FRLTASNTEGKSCPS	75 / 8 AA	133
Phosphosite 6:	PPP1R16B	Q96T49	S514	ARTGESSSEGKAPLI	85 / 7 AA	64
Phosphosite 7:	PPP1R16B	Q96T49	S513	MARTGESSSEGKAPL	85 / 7 AA	64
Phosphosite 8:	MUC19	Q7Z5P9	S1955	ETGTTEPSTEGSVAA	85 / 7 AA	598
Phosphosite 9:	CMYA3	A4UGR9	S2582	KTKKTEASTECSHKQ	85 / 7 AA	382
Phosphosite 10:	TAAR6	Q96RI8	S241	TGSKTESSSESYKAR	75 / 8 AA	38
Phosphosite 11:	KIF26B	Q2KJY2	S342	SQLMTESSREGLTEA	75 / 8 AA	224
Phosphosite 12:	KIF26B	Q2KJY2	S341	ISQLMTESSREGLTE	75 / 8 AA	224
Phosphosite 13:	CNOT2	Q9NZN8	S311	TSGKTTSSTDGPKFP	75 / 8 AA	60
Phosphosite 14:	TAAR6	Q96RI8	S240	NTGSKTESSSESYKA	75 / 8 AA	38
Phosphosite 15:	USP54	Q70EL1	S396	SDTRTDSSTESYPYK	62 / 8 AA	187
Phosphosite 16:	SLC23A2	Q9UGH3	S18	KSMEAGSSTEGKYED	100 / 6 AA	70
Phosphosite 17:	CNOT2	Q9NZN8	S310	NTSGKTTSSTDGPKF	75 / 8 AA	60
Phosphosite 18:	USP54	Q70EL1	S395	SSDTRTDSSTESYPY	62 / 8 AA	187
Phosphosite 19:	C1orf172	Q8NAX2	T119	CLSTEDSTEGTAEAN	85 / 7 AA	44
Phosphosite 20:	APPL2	Q8NEU8	S508	SMAVKTDSTTEVIYE	71 / 7 AA	74