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:	CXCL13
Human P-Site:	S40
P-Site Sequence:	CRCVQESSVFIPRRF
UniProt:	O43927
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CXCL13	O43927	S40	CRCVQESSVFIPRRF	100 / 9 AA	13
Phosphosite 1:	CXCL13	O43927	S39	RCRCVQESSVFIPRR	100 / 8 AA	13
Phosphosite 2:	C5orf42	Q9H799	S1213	LTPQQDSSVFIKPEK	85 / 7 AA	237
Phosphosite 3:	FREM3	P0C091	T1883	VDPGDESTVYIPEAE	62 / 8 AA	238
Phosphosite 4:	FREM3	P0C091	Y1885	PGDESTVYIPEAEYK	71 / 7 AA	238
Phosphosite 5:	CCDC66	A2RUB6	S844	SSGISESSHFIPYVR	66 / 9 AA	109
Phosphosite 6:	KIAA1117	Q5JWR5	S239	STSVQDSSVLVQRST	55 / 9 AA	277
Phosphosite 7:	KIAA1117	Q5JWR5	S238	VSTSVQDSSVLVQRS	62 / 8 AA	277
Phosphosite 8:	PLCG2	P16885	S226	DEFKKDSSVFILGNT	71 / 7 AA	148
Phosphosite 9:	ZNF418	Q8TF45	S159	FHVSEESSIFIQSGK	62 / 8 AA	78
Phosphosite 10:	PLCG2	P16885	S225	LDEFKKDSSVFILGN	71 / 7 AA	148
Phosphosite 11:	CD44	P16070	T572	PHTKESRTFIPVTSA	62 / 8 AA	82
Phosphosite 12:	GTF2A1L	Q9UNN4	S239	LLCHQESSHYISLPG	62 / 8 AA	52
Phosphosite 13:	TDRD6	O60522	S94	VSRQAQESRVFLLDE	62 / 8 AA	237
Phosphosite 14:	GTF2A1L	Q9UNN4	S238	ALLCHQESSHYISLP	71 / 7 AA	52
Phosphosite 15:	MDGA2	Q7Z553	S88	ASDRFQDSSVFNETL	83 / 6 AA	107
Phosphosite 16:	ZKSCAN1	P17029	S166	PLDPVQESSSFDLHH	85 / 7 AA	64
Phosphosite 17:	IGSF22	Q8N9C0	S595	KGTESEASVFIADPP	71 / 7 AA	100
Phosphosite 18:	CLMN	Q96JQ2	S323	ETPSEQESKVFVLTE	71 / 7 AA	112
Phosphosite 19:	ZKSCAN1	P17029	S167	LDPVQESSSFDLHHE	85 / 7 AA	64
Phosphosite 20:	MDGA2	Q7Z553	S89	SDRFQDSSVFNETLR	83 / 6 AA	107