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:	XRCC4
Human P-Site:	S256
P-Site Sequence:	AAVSKDDSIISSLDV
UniProt:	Q13426
Intern. Prot. ID:	IPI00007672

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XRCC4	Q13426	S256	AAVSKDDSIISSLDV	100 / 9 AA	38
Phosphosite 1:	ARFGAP3	Q9NP61	S270	KVVSKEESIVSSLRL	66 / 9 AA	57
Phosphosite 2:	ADPRH	P54922	T353	SLGSKEDTVISL___	62 / 8 AA	40
Phosphosite 3:	NHS	Q6T4R5	S1394	ESSPSDDSIISPLSE	85 / 7 AA	177
Phosphosite 4:	ABTB2	Q8N961	S616	LKTSKNDSVIQQLAT	71 / 7 AA	93
Phosphosite 5:	KCNU1	A8MYU2	S1114	WNQSRTNSIISSQIP	66 / 9 AA	130
Phosphosite 6:	RAPGEF6	Q8TEU7	S705	LSQSQDDSIVGTRHC	55 / 9 AA	179
Phosphosite 7:	IKZF4	Q9H2S9	S125	RLLEKDDSVIVEDSL	83 / 6 AA	64
Phosphosite 8:	RAPGEF2	Q9Y4G8	S562	IGQSQDDSIVGLRQT	62 / 8 AA	167
Phosphosite 9:	FSIP2	Q5CZC0	S347	TYPVSDDSILSSDSS	85 / 7 AA	370
Phosphosite 10:	SMCHD1	A6NHR9	S1400	SVISEDDSIIKNINP	85 / 7 AA	226
Phosphosite 11:	C1orf9	Q9UBS9	S91	EHKLKDDSIVDVQNT	83 / 6 AA	139
Phosphosite 12:	WDR66	Q8TBY9	T44	QQESKDDTIAWRESQ	83 / 6 AA	131
Phosphosite 13:	STXBP5L	Q9Y2K9	S847	SFARKNDSTISPCLF	62 / 8 AA	132
Phosphosite 14:	PLCG2	P16885	S965	FVETKADSIIRQKPV	62 / 8 AA	148
Phosphosite 15:	ANGPT2	O15123	S225	VLVSKQNSIIEELEK	71 / 7 AA	57
Phosphosite 16:	PARP4	Q9UKK3	S1548	KCDTKDDSIPCFLEV	83 / 6 AA	193
Phosphosite 17:	HYLS1	Q96M11	S113	EVLVTDESIISESES	71 / 7 AA	34
Phosphosite 18:	PHACTR3	Q96KR7	S388	DEEALNDSIISGTLP	71 / 7 AA	63
Phosphosite 19:	NAV2	Q8IVL1	S1463	IASSKDDSLTPFVRT	62 / 8 AA	268
Phosphosite 20:	GPRC5A	Q8NFJ5	T243	FDRRWDDTILSSALA	71 / 7 AA	40