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:	S22
P-Site Sequence:	GKVYQPGSMLSLAPT
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	S22	GKVYQPGSMLSLAPT	100 / 9 AA	121
Phosphosite 1:	GNL1	P36915	S125	REVYQPGSVLDFPRR	66 / 9 AA	69
Phosphosite 2:	LDB1	Q86U70	T36	FPPFHPGTMLDRDVG	57 / 7 AA	47
Phosphosite 3:	MGC99813	Q66K66	S145	APYYQPGSVWGPLGL	62 / 8 AA	39
Phosphosite 4:	TSEN54	Q7Z6J9	S174	VVRRFQPSSVLSPYE	62 / 8 AA	59
Phosphosite 5:	ABCD3	P28288	S360	LLEDYYQSGRMLLRM	71 / 7 AA	75
Phosphosite 6:	FBXL10	Q8NHM5	S388	TQEYQRESMLIDAPR	71 / 7 AA	153
Phosphosite 7:	TSEN54	Q7Z6J9	S175	VRRFQPSSVLSPYER	62 / 8 AA	59
Phosphosite 8:	GAPDH-2	O14556	S215	ENDYNPGSMNIVSNA	83 / 6 AA	45
Phosphosite 9:	RTL1	A6NKG5	S806	TGYPTPGSKLSLRNF	85 / 7 AA	155
Phosphosite 10:	USP53	Q70EK8	S25	YQPGSMLSLAPTKGL	100 / 6 AA	121
Phosphosite 11:	MTMR4	Q9NYA4	S797	PQQAQPDSMLGVPSK	62 / 8 AA	133
Phosphosite 12:	NCOA2	Q15596	T483	GMNPGQPTSMLSPRH	85 / 7 AA	159
Phosphosite 13:	NCOA2	Q15596	S484	MNPGQPTSMLSPRHR	85 / 7 AA	159
Phosphosite 14:	SPEN	Q96T58	S2789	NSRFHPGSMPVIDDR	66 / 6 AA	402
Phosphosite 15:	CCNF	P41002	S726	GALPQPTSVLSLDSD	75 / 8 AA	88
Phosphosite 16:	GNL1	P36915	Y121	ELDIREVYQPGSVLD	100 / 5 AA	69
Phosphosite 17:	ARID1A	O14497	S769	YSSPQPGSALSPRQP	85 / 7 AA	242
Phosphosite 18:	GPR179	Q6PRD1	S1083	KAPVQQGSMRSLGLA	75 / 8 AA	257
Phosphosite 19:	SETD1B	Q9UPS6	S1485	RPRRSPPSMLSLDGP	85 / 7 AA	209
Phosphosite 20:	MUC2	Q02817	Y4933	CVHGNAEYQPGSPVY	100 / 5 AA	540