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:	USP13
Human P-Site:	S441
P-Site Sequence:	SKSHPEFSSNRQQDA
UniProt:	Q92995
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP13	Q92995	S441	SKSHPEFSSNRQQDA	100 / 9 AA	97
Phosphosite 1:	USP5	P45974	S429	GKGHPEFSTNRQQDA	88 / 9 AA	96
Phosphosite 2:	USP13	Q92995	S442	KSHPEFSSNRQQDAQ	100 / 8 AA	97
Phosphosite 3:	USP5	P45974	T430	KGHPEFSTNRQQDAQ	87 / 8 AA	96
Phosphosite 4:	SUN2	Q9UH99	S295	EALAAEFSSNWQKEA	75 / 8 AA	80
Phosphosite 5:	SMOC2	Q9H3U7	T437	PRGHAESTSNRQPRK	66 / 9 AA	50
Phosphosite 6:	SNX5	Q9Y5X3	S64	TFQSPEFSVTRQHED	75 / 8 AA	47
Phosphosite 7:	CTPS2	Q9NRF8	S530	VQFHPEFSSRPMKPS	100 / 6 AA	66
Phosphosite 8:	SPEG	Q15772	S1944	RPLQPEFSGSRVSLT	62 / 8 AA	354
Phosphosite 9:	GIT2	Q14161	Y323	FLPVNPEYSSTRNQG	62 / 8 AA	85
Phosphosite 10:	CREB3L1	Q96BA8	S399	PCLPEFSSGSQTVKE	75 / 8 AA	57
Phosphosite 11:	NPAS2	Q99743	S667	CQPSPDFSHDRQLRL	62 / 8 AA	92
Phosphosite 12:	RTEL1	Q9NZ71	S300	GEPHPEFSADSPSPG	71 / 7 AA	152
Phosphosite 13:	EZH2	Q15910	S44	EVKSMFSSNRQKILE	100 / 6 AA	85
Phosphosite 14:	HEY1	Q9Y5J3	Y8	MKRAHPEYSSSDSEL	71 / 7 AA	33
Phosphosite 15:	GIT2	Q14161	S325	PVNPEYSSTRNQGRQ	71 / 7 AA	85
Phosphosite 16:	HEY1	Q9Y5J3	S9	KRAHPEYSSSDSELD	71 / 7 AA	33
Phosphosite 17:	SLC25A25	Q6KCM7	Y48	PSQEFSTYRQWKQKI	71 / 7 AA	53
Phosphosite 18:	PKDREJ	Q9NTG1	S2142	AFQNTEFSNNRILGV	62 / 8 AA	255
Phosphosite 19:	GPT2	Q8TD30	S328	YEMGPEYSSNVELAS	62 / 8 AA	58
Phosphosite 20:	KIAA2018	Q68DE3	S1032	QMDHPDFSSENPKIV	83 / 6 AA	241