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:	REXO1
Human P-Site:	S421
P-Site Sequence:	DKKGPQASSPRRKAE
UniProt:	Q8N1G1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	REXO1	Q8N1G1	S421	DKKGPQASSPRRKAE	100 / 9 AA	132
Phosphosite 1:	REXO1	Q8N1G1	S422	KKGPQASSPRRKAER	100 / 8 AA	132
Phosphosite 2:	PDZD2	O15018	S1481	PVPGGQTSSPRRAWA	77 / 9 AA	302
Phosphosite 3:	SIGLEC1	Q9BZZ2	S1037	GVGGPEGSSPRLHVA	75 / 8 AA	183
Phosphosite 4:	ZNF581	Q9P0T4	S45	SIGSPQASSPPRPNH	77 / 9 AA	22
Phosphosite 5:	MGLL	Q99685	S6	__MPEESSPRRTPQS	75 / 8 AA	33
Phosphosite 6:	APC2	O95996	S2025	ASAPQGASPRRGRPA	75 / 8 AA	244
Phosphosite 7:	ZNF581	Q9P0T4	S46	IGSPQASSPPRPNHY	87 / 8 AA	22
Phosphosite 8:	RUSC2	Q8N2Y8	T754	SGEPQASTPRATGRG	85 / 7 AA	161
Phosphosite 9:	TERT (Telomerase Reverse Transcriptase)	O14746	S191	ARPPPHASGPRRRLG	75 / 8 AA	127
Phosphosite 10:	RUSC2	Q8N2Y8	S753	PSGEPQASTPRATGR	85 / 7 AA	161
Phosphosite 11:	PDZD2	O15018	S1482	VPGGQTSSPRRAWAA	85 / 7 AA	302
Phosphosite 12:	GRIN3	Q6ZVF9	S32	LGEPQAASPRHRPAL	75 / 8 AA	82
Phosphosite 13:	KCNH5	Q8NCM2	S951	EKSVPQASSPKSQMP	85 / 7 AA	112
Phosphosite 14:	Putative uncharacterized protein FLJ46214	Q6ZRN7	S191	SCPGVGASSPRRRKP	77 / 9 AA	21
Phosphosite 15:	KNL2	Q6P0N0	S19	YLPPEASSQRRNLPM	75 / 8 AA	129
Phosphosite 16:	SFRS2IP	Q99590	S818	KKRPQSPSPRRETGK	75 / 8 AA	165
Phosphosite 17:	B4GALNT4	Q76KP1	T585	RTGGPQATQPRPPAR	75 / 8 AA	117
Phosphosite 18:	KCNH5	Q8NCM2	S952	KSVPQASSPKSQMPL	85 / 7 AA	112
Phosphosite 19:	TACC2	O95359	T135	APEDGPQTQSPRREP	75 / 8 AA	309
Phosphosite 20:	TACC2	O95359	S137	EDGPQTQSPRREPAP	75 / 8 AA	309