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:	SPG21
Human P-Site:	S228
P-Site Sequence:	IMDVFDQSALSTEAK
UniProt:	Q9NZD8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SPG21	Q9NZD8	S228	IMDVFDQSALSTEAK	100 / 9 AA	34
Phosphosite 1:	PIK3CG	P48736	S620	RREVWDQSALDVGLT	85 / 7 AA	126
Phosphosite 2:	SPATA9	Q9BWV2	S247	LHSVFDQSAEMNEQI	100 / 6 AA	29
Phosphosite 3:	ADAMTS5	Q9UNA0	S242	ASQLLDQSALSPAGG	75 / 8 AA	102
Phosphosite 4:	SgK307	Q8IWB6	S1493	RIIVLDQSDLSD___	75 / 8 AA	168
Phosphosite 5:	ZBTB34	Q8NCN2	S65	SPYFRDHSALSTMSG	85 / 7 AA	56
Phosphosite 6:	PRRG1	O14668	S142	PDEVFDSSGLSPGFL	75 / 8 AA	25
Phosphosite 7:	PRRG1	O14668	S141	PPDEVFDSSGLSPGF	75 / 8 AA	25
Phosphosite 8:	DENND5B	Q6ZUT9	S49	AGENFDQSPLRRTFK	71 / 7 AA	145
Phosphosite 9:	ZNF143	P52747	S130	SKDSYDQSALQAVQL	83 / 6 AA	69
Phosphosite 10:	CRYAA	P02489	S127	LPSNVDQSALSCSLS	100 / 6 AA	20
Phosphosite 11:	EI24	O14681	S313	HKTVYLQSALSSSTS	66 / 9 AA	39
Phosphosite 12:	ATP12A	P54707	S429	SNQVFDQSSRTWASL	83 / 6 AA	116
Phosphosite 13:	TMPO	P42166	S351	RSHISDQSPLSSKRK	55 / 9 AA	75
Phosphosite 14:	KIAA1602	Q9HCH0	S536	TQLRPPQSALSTTLS	100 / 6 AA	139
Phosphosite 15:	SPG21	Q9NZD8	S231	VFDQSALSTEAKEEM	100 / 6 AA	34
Phosphosite 16:	TOX4	O94842	S147	QLTTIDQSELSSQLG	62 / 8 AA	66
Phosphosite 17:	SRBD1	Q8N5C6	S179	DDFTFGQSALKKIKT	83 / 6 AA	112
Phosphosite 18:	KIAA1602	Q9HCH0	S539	RPPQSALSTTLSPGP	100 / 6 AA	139
Phosphosite 19:	FAM134C	Q86VR2	S453	DFELLDQSELSQLDP	62 / 8 AA	51
Phosphosite 20:	RC3H2	Q9HBD1	S124	GVASLNQSALSRPMQ	71 / 7 AA	132