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:	SNX21
Human P-Site:	S122
P-Site Sequence:	LQDFWKKSRNTLAPQ
UniProt:	Q969T3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SNX21	Q969T3	S122	LQDFWKKSRNTLAPQ	100 / 9 AA	41
Phosphosite 1:	PPAP2B	O14495	S114	RIYYLKKSRSTIQNP	55 / 9 AA	35
Phosphosite 2:	PRODH	O43272	S12	VMREWKKSRKLLGQR	75 / 8 AA	59
Phosphosite 3:	NAT1	P18440	S15	ERIGYKKSRNKLDLE	75 / 8 AA	34
Phosphosite 4:	CDH15	P55291	S634	RARFWKQSRGKGLLH	71 / 7 AA	89
Phosphosite 5:	SNX21	Q969T3	T125	FWKKSRNTLAPQRLL	100 / 6 AA	41
Phosphosite 6:	C15orf42	Q7Z2Z1	S1091	SARMKKRSRNTLDSE	85 / 7 AA	211
Phosphosite 7:	SIX4	Q9UIU6	S234	VYCFKEKSRNALKEL	66 / 9 AA	81
Phosphosite 8:	1700021F05Rik	Q9P0P8	S179	EEKLWKKSRTVKVGD	62 / 8 AA	28
Phosphosite 9:	SRRM2	Q9UQ35	S545	QRPGWSRSRNTQRRG	62 / 8 AA	300
Phosphosite 10:	CHRNA5	P30532	S389	SGSGPKSSRNTLEAA	85 / 7 AA	53
Phosphosite 11:	EVI2B	P34910	S278	SLTPWKPSKSTLLAD	62 / 8 AA	49
Phosphosite 12:	BCAS1	O75363	S381	GKLFWKKSVKEDSVP	100 / 5 AA	62
Phosphosite 13:	CACNA1B	Q00975	S424	KRAATKKSRNDLIHA	85 / 7 AA	262
Phosphosite 14:	C1orf26	Q5T5J6	S240	SFKIPIKSRDTLQKL	83 / 6 AA	103
Phosphosite 15:	STX7	O15400	S234	AADYQRKSRKTLCII	55 / 9 AA	30
Phosphosite 16:	CCDC70	Q6NSX1	Y125	EKTFWKKYRTFWKED	71 / 7 AA	29
Phosphosite 17:	C1orf26	Q5T5J6	T243	IPIKSRDTLQKLVEE	83 / 6 AA	103
Phosphosite 18:	PAM (ADM)	P19021	S892	IFIRWKKSRAFGDSE	100 / 5 AA	108
Phosphosite 19:	LTB4R2	Q9NPC1	T49	ETLLSWKTSRATGTA	71 / 7 AA	42
Phosphosite 20:	GRIN2A	Q12879	S1017	PRQLWKKSVDSIRQD	44 / 9 AA	165