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:	XRCC1
Human P-Site:	S421
P-Site Sequence:	EASHSGGSGDEAPKL
UniProt:	P18887
Intern. Prot. ID:	IPI00002564

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XRCC1	P18887	S421	EASHSGGSGDEAPKL	100 / 9 AA	70
Phosphosite 1:	MOB2	Q70IA6	S219	GGVHSGGSGDGAGSG	88 / 9 AA	27
Phosphosite 2:	ZBTB22	O15209	S599	SPGVGGGSGDEASAA	100 / 7 AA	66
Phosphosite 3:	RECQL5	O94762	S491	YDEGSGGSGDEGRDE	87 / 8 AA	109
Phosphosite 4:	ARHGAP5	Q13017	S1176	RRTHSDASDDEAFTT	66 / 9 AA	172
Phosphosite 5:	EVX1	P49640	S144	EYQHSKGSGSEALVG	77 / 9 AA	42
Phosphosite 6:	ZNF197	O14709	S109	VQLHHPGSGEEAVAL	66 / 9 AA	119
Phosphosite 7:	ZNF18	P17022	S108	VRKQCPGSGEEAVTL	55 / 9 AA	62
Phosphosite 8:	C1orf174	Q8IYL3	S148	VPKHSAGSGAEESNS	75 / 8 AA	26
Phosphosite 9:	SPTBN2	O15020	S2171	PEGPGPGSGDEANGP	100 / 6 AA	271
Phosphosite 10:	CDH22	Q9UJ99	S792	LSSLHSGSSGSEQDF	75 / 8 AA	89
Phosphosite 11:	CDH22	Q9UJ99	S793	SSLHSGSSGSEQDFA	75 / 8 AA	89
Phosphosite 12:	FAM100A	Q8TB05	S96	ESFHSGGSGSPMAAT	100 / 6 AA	19
Phosphosite 13:	XRCC1	P18887	S418	EEDEASHSGGSGDEA	100 / 6 AA	70
Phosphosite 14:	PLCL2	Q9UPR0	S64	GDCSLGVSGDEARAS	85 / 7 AA	126
Phosphosite 15:	FAM100A	Q8TB05	S93	KASESFHSGGSGSPM	100 / 6 AA	19
Phosphosite 16:	K9	P35527	S554	GGGHSGGSGGNYGGG	100 / 6 AA	62
Phosphosite 17:	ARHGEF17	Q96PE2	S277	HGGHSSGSDDDRDGE	62 / 8 AA	222
Phosphosite 18:	SPATS2L	Q9NUQ6	S455	GPAKSQGSGNEAEPL	75 / 8 AA	62
Phosphosite 19:	BEST4	Q8NFU0	S466	IEEESAESGDEALEP	75 / 8 AA	53
Phosphosite 20:	MOB2	Q70IA6	S216	SGAGGVHSGGSGDGA	100 / 6 AA	27