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:	XKR4
Human P-Site:	S172
P-Site Sequence:	RWFVHDFSTEDSATA
UniProt:	Q5GH76
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XKR4	Q5GH76	S172	RWFVHDFSTEDSATA	100 / 9 AA	72
Phosphosite 1:	Putative uncharacterized protein LOC388882	Q8N402	S185	EAAVHDISNEDTIED	66 / 9 AA	27
Phosphosite 2:	SKT	Q5T5P2	T1335	SSVHDFKTEDQEVIT	85 / 7 AA	214
Phosphosite 3:	DBF4	Q9UBU7	S496	SVHVSDFSTDNSGSQ	66 / 9 AA	77
Phosphosite 4:	TTN	Q8WZ42	S6414	VIQMNNLSTEDSGDF	55 / 9 AA	3816
Phosphosite 5:	LOC91431	Q6ZU11	S39	YQQRQDFSSQDSVSR	62 / 8 AA	105
Phosphosite 6:	LOC91431	Q6ZU11	S40	QQRQDFSSQDSVSRK	62 / 8 AA	105
Phosphosite 7:	GPR112	Q8IZF6	S800	ACIQPNFSTEESASE	62 / 8 AA	301
Phosphosite 8:	C20orf19	Q2M2Z5	S174	ILSMRDFSTEHKSPQ	71 / 7 AA	75
Phosphosite 9:	IFNA4	P05014	T93	QTFNLFSTEDSSAAW	100 / 6 AA	22
Phosphosite 10:	IFNA17	P01571	T93	QTFNLFSTEDSSAAW	100 / 6 AA	22
Phosphosite 11:	IFNA7	P01567	T93	QTFNLFSTEDSSAAW	100 / 6 AA	22
Phosphosite 12:	IFNA10	P01566	T93	QTFNLFSTEDSSAAW	100 / 6 AA	22
Phosphosite 13:	GALNT5	Q7Z7M9	S538	ILLVDDFSTKDYLKD	75 / 8 AA	106
Phosphosite 14:	CCDC88A	Q3V6T2	T1826	TSIHDFLTKDSRLPI	75 / 8 AA	216
Phosphosite 15:	IFNA4	P05014	S92	QQTFNLFSTEDSSAA	100 / 6 AA	22
Phosphosite 16:	IFNA17	P01571	S92	QQTFNLFSTEDSSAA	100 / 6 AA	22
Phosphosite 17:	IFNA7	P01567	S92	QQTFNLFSTEDSSAA	100 / 6 AA	22
Phosphosite 18:	IFNA10	P01566	S92	QQTFNLFSTEDSSAA	100 / 6 AA	22
Phosphosite 19:	TRAD	O60229	T801	RQMNDFNTEDLTLAE	71 / 7 AA	340
Phosphosite 20:	RFFL	Q8WZ73	S119	YLSLHDISTEMCREK	71 / 7 AA	41