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:	T280
P-Site Sequence:	PGLFYRVTDENAKNS
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	T280	PGLFYRVTDENAKNS	100 / 9 AA	121
Phosphosite 1:	KIAA1370	Q32MH5	S927	EVSFYSVSDDNAPSP	66 / 9 AA	122
Phosphosite 2:	USP54	Q70EL1	T281	GDLFFRVTDDRAKQS	66 / 9 AA	187
Phosphosite 3:	CACNA1D	Q01668	T1045	KGKFYRCTDEAKSNP	85 / 7 AA	245
Phosphosite 4:	PARD3	Q8TEW0	S866	LPNFIRVSDENLTGV	75 / 8 AA	151
Phosphosite 5:	RYR3	Q15413	T4434	ILLFYKVTEEPLEEE	71 / 7 AA	552
Phosphosite 6:	CHCHD3	Q9NX63	T159	SSEFYRVTTEQYQKA	85 / 7 AA	26
Phosphosite 7:	CCDC76	Q9NUP7	T408	DDGGYRITDDGADCL	62 / 8 AA	54
Phosphosite 8:	IGSF21	Q96ID5	T63	EIVWYRVTDGGTIKQ	55 / 9 AA	52
Phosphosite 9:	HSF2	Q03933	T252	DIIIYDVTDDNADEE	66 / 9 AA	60
Phosphosite 10:	TTN	Q8WZ42	S14294	NKYLYRVSAENKAGV	62 / 8 AA	3816
Phosphosite 11:	IGSF21	Q96ID5	Y60	RMREIVWYRVTDGGT	83 / 6 AA	52
Phosphosite 12:	TTN	Q8WZ42	T24035	CSYYFRVTAENEYGI	62 / 8 AA	3816
Phosphosite 13:	PAPD5	Q8NDF8	T418	LGRIIRVTDEVATYR	66 / 9 AA	63
Phosphosite 14:	PPM1E	Q8WY54	T324	LCRAFRVTDERFVQK	83 / 6 AA	85
Phosphosite 15:	TTN	Q8WZ42	T32796	DTGYYRVTATNTAGS	55 / 9 AA	3816
Phosphosite 16:	CHCHD3	Q9NX63	Y156	EERSSEFYRVTTEQY	100 / 5 AA	26
Phosphosite 17:	POM121L1P	Q3SYA9	T226	VELGYRVTAEDLDWE	71 / 7 AA	45
Phosphosite 18:	PDCL	Q13371	T252	IGNFVRVTDQLGDDF	71 / 7 AA	34
Phosphosite 19:	Putative POM121-like protein 1-like	A6NNC1	T185	LELGYRVTAEDLHLE	71 / 7 AA	94
Phosphosite 20:	TTN	Q8WZ42	S24821	HEYEFRVSAENAAGV	62 / 8 AA	3816