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:	USP53
Human P-Site:	S814
P-Site Sequence:	AREHIHQSDEQKLEK
UniProt:	Q70EK8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP53	Q70EK8	S814	AREHIHQSDEQKLEK	100 / 9 AA	121
Phosphosite 1:	Smc4	Q9NTJ3	S149	LSVLIHNSDEHKDIQ	75 / 8 AA	147
Phosphosite 2:	CCDC91	Q7Z6B0	S281	KEALIQQSQEQKEIL	75 / 8 AA	50
Phosphosite 3:	UNC13B	O14795	S88	ALKTIRQSDEEGPGE	71 / 7 AA	181
Phosphosite 4:	PPTC7	Q8NI37	S173	GGEVVHRSDEQQHYF	71 / 7 AA	33
Phosphosite 5:	C21orf55	Q9NX36	S191	IVKNIRQSKQQKITQ	55 / 9 AA	46
Phosphosite 6:	ZBTB8A	Q96BR9	S243	SSSHVSQSEEQAQID	62 / 8 AA	50
Phosphosite 7:	CCDC74B	Q96LY2	S44	QSPQLRQSDPQKRNL	55 / 9 AA	42
Phosphosite 8:	CCDC74A	Q96AQ1	S44	QSPQLRQSDPQKRNL	55 / 9 AA	42
Phosphosite 9:	Cbl-c	Q9ULV8	S334	PQQRIHVSEEQLQLY	62 / 8 AA	52
Phosphosite 10:	PLEKHA7	Q6IQ23	S960	VRGLKRQSDERKRDR	71 / 7 AA	127
Phosphosite 11:	COL4A5	P29400	S447	AGPHIPPSDEICEPG	71 / 7 AA	161
Phosphosite 12:	TXLNA	P40222	S148	NTEEIRQSDEVGDRD	83 / 6 AA	62
Phosphosite 13:	SH3PXD2A	Q5TCZ1	S112	VRLPPHISQCDEVFR	71 / 7 AA	125
Phosphosite 14:	TRADD	Q15628	S67	QMLKIHRSDPQLIVQ	71 / 7 AA	34
Phosphosite 15:	ABCC1	P33527	S1178	QERFIHQSDLKVDEN	83 / 6 AA	172
Phosphosite 16:	COQ9	O75208	S47	SAVGLRSSDEQKQQP	62 / 8 AA	36
Phosphosite 17:	NudC	Q9Y266	S304	KSMGLPTSDEQKKQE	62 / 8 AA	38
Phosphosite 18:	RBBP7	Q16576	S72	LVLGTHTSDEQNHLV	62 / 8 AA	48
Phosphosite 19:	RBBP4	Q09028	S73	LVLGTHTSDEQNHLV	62 / 8 AA	48
Phosphosite 20:	PCGF3	Q3KNV8	S151	EDNDYHRSDEQVSIC	83 / 6 AA	28