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:	S492
P-Site Sequence:	LSHFQSGSPPAPNGF
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	S492	LSHFQSGSPPAPNGF	100 / 9 AA	121
Phosphosite 1:	USP53	Q70EK8	S490	EDLSHFQSGSPPAPN	100 / 7 AA	121
Phosphosite 2:	TSC22D1	Q15714	S1047	QAQLQTGSPPATTQP	75 / 8 AA	110
Phosphosite 3:	LZTR1	Q8N653	T113	CRAFTTGTPPAPRYH	66 / 9 AA	95
Phosphosite 4:	KIAA1755	Q5JYT7	S1125	NRTFQAGSPPQEAGQ	85 / 7 AA	131
Phosphosite 5:	NMDAR2D	O15399	S1054	RLAFEDESPPAPARW	66 / 9 AA	144
Phosphosite 6:	SLC38A8	A6NNN8	T138	CDSLLSGTPPAPQPW	66 / 9 AA	47
Phosphosite 7:	ADAM19	Q9H013	S803	PDYLRGGSPPAPLPA	66 / 9 AA	105
Phosphosite 8:	WDHD1	O75717	S437	QKPFQSGSTPLHLTH	85 / 7 AA	126
Phosphosite 9:	SOX1	O00570	S325	VKSEPSGSPPAPAHS	100 / 7 AA	39
Phosphosite 10:	WDHD1	O75717	S435	PRQKPFQSGSTPLHL	85 / 7 AA	126
Phosphosite 11:	HLX1	Q14774	S165	PNPHHSGSAPAPSSK	66 / 9 AA	51
Phosphosite 12:	NUP153	P49790	S1355	TALFPTGSQPAPPTF	66 / 9 AA	154
Phosphosite 13:	SPTBN4	Q9H254	S2407	SAPAQGGSAPAPPPP	75 / 8 AA	289
Phosphosite 14:	CSF2RB	P32927	S505	GSMSAFTSGSPPHQG	85 / 7 AA	97
Phosphosite 15:	CSF2RB	P32927	S507	MSAFTSGSPPHQGPW	85 / 7 AA	97
Phosphosite 16:	GPR112	Q8IZF6	S2018	LSSLPSGSPPATVSN	75 / 8 AA	301
Phosphosite 17:	SPEG	Q15772	S419	RSLERSDSPPAPLRP	75 / 8 AA	354
Phosphosite 18:	ZBTB7C	A1YPR0	S215	PDSFQAGSPGHLGVI	83 / 6 AA	69
Phosphosite 19:	CCDC21	Q6P2H3	S660	LRQAQPGSPPSPDTA	75 / 8 AA	86
Phosphosite 20:	MBD6	Q96DN6	S244	LVPSDLGSPPAPHAS	100 / 6 AA	101