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:	T648
P-Site Sequence:	QERLEYETTL_____
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	T648	QERLEYETTL_____	100 / 7 AA	72
Phosphosite 1:	XKR4	Q5GH76	Y646	LIQERLEYETTL___	100 / 7 AA	72
Phosphosite 2:	XKR4	Q5GH76	T649	ERLEYETTL______	100 / 6 AA	72
Phosphosite 3:	XKR7	Q5GH72	Y575	TSQELLEYETTV___	85 / 7 AA	64
Phosphosite 4:	C1orf101	Q5SY80	Y43	RSTIKLEYEGTLFTE	85 / 7 AA	110
Phosphosite 5:	CELSR2	Q9HCU4	Y464	DVVSPLDYETTKEYT	83 / 6 AA	317
Phosphosite 6:	DCHS2	Q6V1P9	Y1014	FLSKELDYETTSHYL	83 / 6 AA	322
Phosphosite 7:	DCHS2	Q6V1P9	T1016	SKELDYETTSHYLFR	83 / 6 AA	322
Phosphosite 8:	RAB7B	Q96AH8	T40	FYEEYQTTLGASILS	83 / 6 AA	23
Phosphosite 9:	GRHL3	Q8TE85	Y96	RYYHGMEYETDLTPL	71 / 7 AA	70
Phosphosite 10:	RAB7B	Q96AH8	T39	TFYEEYQTTLGASIL	83 / 6 AA	23
Phosphosite 11:	CAGE1	Q8TC20	Y77	NFERENEYESTLCED	83 / 6 AA	90
Phosphosite 12:	CAGE1	Q8TC20	T80	RENEYESTLCEDAYG	83 / 6 AA	90
Phosphosite 13:	RAVER1	Q8IY67	Y269	KGFAVLEYETAEMAE	83 / 6 AA	64
Phosphosite 14:	RAB7B	Q96AH8	Y37	HKTFYEEYQTTLGAS	83 / 6 AA	23
Phosphosite 15:	CCDC46	Q8N8E3	T909	YIRQEYETKLKGLMP	83 / 6 AA	113
Phosphosite 16:	CCDC46	Q8N8E3	Y907	ITYIRQEYETKLKGL	83 / 6 AA	113
Phosphosite 17:	ANKRD7	Q92527	Y147	LVEKLLEYEADLEAK	71 / 7 AA	29
Phosphosite 18:	ZNF280D	Q6N043	Y929	TPSEVLEYEATEILQ	83 / 6 AA	109
Phosphosite 19:	FHOD3	Q2V2M9	Y1056	LWAFKMDYETTEKEV	66 / 6 AA	159
Phosphosite 20:	CCT6B	Q92526	Y239	ICNVSLEYEKTEVNS	83 / 6 AA	58