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:	S276
P-Site Sequence:	KRGAPPSSNIEDFHG
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	S276	KRGAPPSSNIEDFHG	100 / 9 AA	95
Phosphosite 1:	MATR3	P43243	S275	KKRGAPPSSNIEDFH	100 / 8 AA	95
Phosphosite 2:	MICALCL	Q6ZW33	S365	ALRSPPCSKIEDVPT	66 / 9 AA	77
Phosphosite 3:	NOPE	Q8TDY8	S1034	QDWSPPPSDVEDRAE	55 / 9 AA	134
Phosphosite 4:	C12orf50	Q8NA57	S44	GLFLPPSSNITLQKE	100 / 6 AA	47
Phosphosite 5:	HLCS	P50747	S341	HLELPPSSNIVQTPE	100 / 6 AA	81
Phosphosite 6:	GYS2	P54840	S657	QASSPQSSDVEDEVE	55 / 9 AA	81
Phosphosite 7:	HLCS	P50747	S340	VHLELPPSSNIVQTP	100 / 6 AA	81
Phosphosite 8:	USP4	Q13107	S294	YNCQEPPSSHIQPGL	71 / 7 AA	109
Phosphosite 9:	C12orf50	Q8NA57	S43	NGLFLPPSSNITLQK	100 / 6 AA	47
Phosphosite 10:	KIF14	Q15058	S683	ATISPAASNIEETLS	62 / 8 AA	186
Phosphosite 11:	OR1J1	Q8NGS3	S265	LYFLPPSSNTNDKNI	75 / 8 AA	35
Phosphosite 12:	DDX24	Q9GZR7	S268	RNAAPPPSNTEAPPG	75 / 8 AA	96
Phosphosite 13:	SMCR8	Q8TEV9	S401	SQDRPPSSSLEECPI	62 / 8 AA	105
Phosphosite 14:	FSIP2	Q5CZC0	T873	LKTEPPSTNHEDILK	75 / 8 AA	370
Phosphosite 15:	OPRM1	P35372	S357	REFCIPTSSNIEQQN	85 / 7 AA	45
Phosphosite 16:	USP4	Q13107	S295	NCQEPPSSHIQPGLC	71 / 7 AA	109
Phosphosite 17:	SMCR8	Q8TEV9	S402	QDRPPSSSLEECPIP	62 / 8 AA	105
Phosphosite 18:	RSBN1L	Q6PCB5	T242	SGKEKPKTNIEDLQI	71 / 7 AA	94
Phosphosite 19:	LZTS2	Q9BRK4	S105	ESPPSPSSDVEDARE	71 / 7 AA	73
Phosphosite 20:	DENND4C	Q5VZ89	S1658	QKIDAPPSASVEWCR	62 / 8 AA	187