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:	spermidine synthase
Human P-Site:	S46
P-Site Sequence:	QLLHHRRSRYQDILV
UniProt:	P19623
Intern. Prot. ID:	IPI00292020

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	spermidine synthase	P19623	S46	QLLHHRRSRYQDILV	100 / 9 AA	34
Phosphosite 1:	spermidine synthase	P19623	Y48	LHHRRSRYQDILVFR	100 / 7 AA	34
Phosphosite 2:	ANGPTL2	Q9UKU9	Y462	GGHYRSRYQDGVYWA	100 / 6 AA	57
Phosphosite 3:	ANGPTL6	Q8NI99	Y442	GGHYRSRYQDGVYWA	100 / 6 AA	52
Phosphosite 4:	FAM196B	A6NMK8	S32	KQPHHRRSKSQQVRF	66 / 9 AA	59
Phosphosite 5:	MIXL1	Q9H2W2	T108	LELVFRRTRYPDIHL	62 / 8 AA	25
Phosphosite 6:	RBM12B	Q8IXT5	S798	PQEHFRRSREEDFRH	66 / 9 AA	118
Phosphosite 7:	MIXL1	Q9H2W2	Y110	LVFRRTRYPDIHLRE	71 / 7 AA	25
Phosphosite 8:	ZNF496	Q96IT1	Y50	RLFRRFRYQEAAGPR	71 / 7 AA	67
Phosphosite 9:	ZNF562	Q6V9R5	S36	VEDHRSNSYQDSVTF	62 / 8 AA	49
Phosphosite 10:	ZNF202	O95125	Y54	QNFRRFRYQEAASPR	71 / 7 AA	75
Phosphosite 11:	ITGA6	P23229	Y1086	GFFKRSRYDDSVPRY	71 / 7 AA	127
Phosphosite 12:	PDE10A	Q9Y233	Y66	APKEVSRYQDTNMQG	100 / 5 AA	88
Phosphosite 13:	PABPC4	Q13310	S289	QLKQERISRYQGVNL	55 / 9 AA	71
Phosphosite 14:	CENPN	Q96H22	Y197	KMDLRSRYLDSLKAI	83 / 6 AA	40
Phosphosite 15:	UPF2	Q9HAU5	Y1252	NRERRPRYQHPKGAP	83 / 6 AA	148
Phosphosite 16:	GP6	Q9HCN6	Y67	EKLSSSRYQDQAVLF	100 / 5 AA	37
Phosphosite 17:	DKFZp761B107	Q6ZUS6	Y133	VKEERSSYQDKVERL	83 / 6 AA	53
Phosphosite 18:	DKFZp761B107	Q6ZUS6	S132	DVKEERSSYQDKVER	83 / 6 AA	53
Phosphosite 19:	GMPPA	Q96IJ6	Y265	SRLYLSRYQDTHPER	100 / 5 AA	46
Phosphosite 20:	GMPPA	Q96IJ6	S263	YASRLYLSRYQDTHP	100 / 5 AA	46