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:	S217
P-Site Sequence:	STPQRQASNASKSNI
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	S217	STPQRQASNASKSNI	100 / 9 AA	72
Phosphosite 1:	SIPA1L2	Q9P2F8	S586	IQCLRQASNSPKVSE	75 / 8 AA	190
Phosphosite 2:	PRC1	O43663	S601	VGLQRELSKASKSDA	66 / 9 AA	72
Phosphosite 3:	ATAD5	Q96QE3	S694	TSQIRKASNTSKNIS	75 / 8 AA	208
Phosphosite 4:	ARHGEF11	O15085	S35	PSHHRQPSDASETTG	62 / 8 AA	168
Phosphosite 5:	INTS1	Q8N201	S884	HIIQRQASSQSMPWL	66 / 9 AA	244
Phosphosite 6:	UCP1	P25874	S87	AGLQRQISSASLRIG	75 / 8 AA	33
Phosphosite 7:	BRS3	P32247	S158	KPLERQPSNAILKTC	71 / 7 AA	44
Phosphosite 8:	AGMAT	Q9BSE5	S37	RRQSRQASDAPRNQP	62 / 8 AA	38
Phosphosite 9:	5-HT(6)	P50406	S347	CPRERQASLASPSLR	75 / 8 AA	47
Phosphosite 10:	NCAPD3	P42695	T516	AFSYQRQTSNRSEPS	75 / 8 AA	169
Phosphosite 11:	CD2BP2	O95400	S139	PPGQRQASDSEEEDS	83 / 6 AA	38
Phosphosite 12:	exonuclease 1	Q9UQ84	S687	GEFSLQSSNASKLSQ	85 / 7 AA	94
Phosphosite 13:	NCAPD3	P42695	S517	FSYQRQTSNRSEPSG	75 / 8 AA	169
Phosphosite 14:	DKK1	O94907	S255	QKDHHQASNSSRLHT	55 / 9 AA	29
Phosphosite 15:	C3orf40	Q6UXB0	S315	WERQRQASDLASSGV	83 / 6 AA	36
Phosphosite 16:	KIAA2022	Q5QGS0	S663	CNDQRHASNHKEDGG	83 / 6 AA	168
Phosphosite 17:	GLRX3	O76003	S117	KKVQRHASSGSFLPS	62 / 8 AA	37
Phosphosite 18:	C6orf49	Q2TBC4	S334	GSLQAEDSNASKTHC	66 / 9 AA	38
Phosphosite 19:	DMRTC2	Q8IXT2	S274	LQLQPQASGASCLAR	75 / 8 AA	39
Phosphosite 20:	EHMT1	Q9H9B1	S1245	ALAQRQASAAQEAQE	85 / 7 AA	138