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:	T649
P-Site Sequence:	ERLEYETTL______
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	T649	ERLEYETTL______	100 / 6 AA	72
Phosphosite 1:	XKR4	Q5GH76	T648	QERLEYETTL_____	100 / 6 AA	72
Phosphosite 2:	XKR4	Q5GH76	Y646	LIQERLEYETTL___	100 / 6 AA	72
Phosphosite 3:	RAB7B	Q96AH8	T40	FYEEYQTTLGASILS	83 / 6 AA	23
Phosphosite 4:	RAB7B	Q96AH8	T39	TFYEEYQTTLGASIL	83 / 6 AA	23
Phosphosite 5:	CAGE1	Q8TC20	Y77	NFERENEYESTLCED	83 / 6 AA	90
Phosphosite 6:	CAGE1	Q8TC20	T80	RENEYESTLCEDAYG	83 / 6 AA	90
Phosphosite 7:	RAB7B	Q96AH8	Y37	HKTFYEEYQTTLGAS	83 / 6 AA	23
Phosphosite 8:	CCDC46	Q8N8E3	T909	YIRQEYETKLKGLMP	83 / 6 AA	113
Phosphosite 9:	CCDC46	Q8N8E3	Y907	ITYIRQEYETKLKGL	83 / 6 AA	113
Phosphosite 10:	FAM149B1	Q96BN6	T172	VSASYETTLSQERDS	100 / 5 AA	65
Phosphosite 11:	FAM149B2	A8MUB0	T66	VSASYETTLSQERDS	100 / 5 AA	34
Phosphosite 12:	PDE5A	O76074	T712	SIEEYKTTLKIIKQA	83 / 6 AA	100
Phosphosite 13:	RAD23A	P54725	Y163	TLVTGSEYETMLTEI	83 / 6 AA	40
Phosphosite 14:	COPS2	P61201	T134	LLQEFYETTLEALKD	100 / 5 AA	52
Phosphosite 15:	ALB	P02768	Y377	LLRLAKTYETTLEKC	100 / 5 AA	69
Phosphosite 16:	GRHL3	Q8TE85	Y96	RYYHGMEYETDLTPL	83 / 6 AA	70
Phosphosite 17:	ALB	P02768	T379	RLAKTYETTLEKCCA	100 / 5 AA	69
Phosphosite 18:	ELL	P55199	T570	GSEEYETTRGQILQE	100 / 5 AA	68
Phosphosite 19:	ZNF232	Q9UNY5	T38	EQSCEYETRLPGNHS	83 / 6 AA	48
Phosphosite 20:	ZNF232	Q9UNY5	Y36	EEEQSCEYETRLPGN	83 / 6 AA	48