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:	USP27X
Human P-Site:	S28
P-Site Sequence:	EALKLQASTSTEVSH
UniProt:	A6NNY8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP27X	A6NNY8	S28	EALKLQASTSTEVSH	100 / 9 AA	50
Phosphosite 1:	ABCC2	Q92887	S607	ISSMLQASVSTERLE	77 / 9 AA	174
Phosphosite 2:	MDC1	Q14676	S1417	TAPKLEPSTSTDQPV	66 / 9 AA	227
Phosphosite 3:	MDC1	Q14676	S1540	AAPELQPSTSTDQPV	75 / 8 AA	227
Phosphosite 4:	MDC1	Q14676	S1212	TALELQPSTSTDRPV	75 / 8 AA	227
Phosphosite 5:	MDC1	Q14676	S1171	TAPELQPSTSTDQPV	75 / 8 AA	227
Phosphosite 6:	USP27X	A6NNY8	S30	LKLQASTSTEVSHQQ	100 / 7 AA	50
Phosphosite 7:	MAGEB4	O15481	T99	ASSSQASTSTERSLK	100 / 7 AA	39
Phosphosite 8:	MAGEB4	O15481	S100	SSSQASTSTERSLKD	100 / 7 AA	39
Phosphosite 9:	CCDC18	Q5T9S5	S931	ELEKLQHSTETELTE	77 / 9 AA	169
Phosphosite 10:	ZNF280C	Q8ND82	T568	KTSKLHATTSTASKV	66 / 9 AA	83
Phosphosite 11:	MAGEB4	O15481	S98	NASSSQASTSTERSL	100 / 7 AA	39
Phosphosite 12:	MDC1	Q14676	S1499	TAPELQASASTDQPV	75 / 8 AA	227
Phosphosite 13:	CRHR2	Q13324	S297	LMTKLRASTTSETIQ	66 / 9 AA	48
Phosphosite 14:	CRF-R1	P34998	S330	LMTKLRASTTSETIQ	66 / 9 AA	51
Phosphosite 15:	MDC1	Q14676	S1335	TAPELQISTSTDQPV	75 / 8 AA	227
Phosphosite 16:	NOP14	P78316	T676	ASRLRAPTSTEANHI	75 / 8 AA	98
Phosphosite 17:	FAM71F1	Q96KD3	S238	VQKKLQASQPSESLI	66 / 9 AA	39
Phosphosite 18:	PIK3AP1	Q6ZUJ8	S466	YVEMLQASTSNPIPG	85 / 7 AA	90
Phosphosite 19:	MDC1	Q14676	S1376	IAPELPPSTSTEQPV	75 / 8 AA	227
Phosphosite 20:	MIA3	Q5JRA6	S1481	LQLKLRASVSTKCNL	75 / 8 AA	214