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:	HPS1
Human P-Site:	S421
P-Site Sequence:	EPGASLRSQPLVGDL
UniProt:	Q92902
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HPS1	Q92902	S421	EPGASLRSQPLVGDL	100 / 9 AA	79
Phosphosite 1:	Smad8	O15198	S167	FRSASLHSEPLMPHN	66 / 9 AA	52
Phosphosite 2:	C17orf97	Q6ZQX7	S111	HQSQSLKSQPLSSSF	85 / 7 AA	50
Phosphosite 3:	NSD1	Q96L73	S2347	SSSPSVRSQPLERPL	75 / 8 AA	297
Phosphosite 4:	KIAA1984	Q5T5S1	S133	LELDSLRSQPDASKE	100 / 6 AA	63
Phosphosite 5:	WDR76	Q9H967	S485	RRLNSRRSQPLISLT	75 / 8 AA	70
Phosphosite 6:	GPR112	Q8IZF6	T1444	SHLHSLRTQPEVTSV	75 / 8 AA	301
Phosphosite 7:	C4orf39	Q96MZ4	S132	RKRTTIRSQPLFVTR	62 / 8 AA	17
Phosphosite 8:	FAM21A	Q641Q2	S893	DLFSSAKSQPLVQEK	66 / 9 AA	147
Phosphosite 9:	FAM21B	Q5SNT6	S805	DLFSSAKSQPLVQEK	66 / 9 AA	137
Phosphosite 10:	UTRN	P46939	S1400	ELRRNMRSQPLTSPE	62 / 8 AA	394
Phosphosite 11:	MGC39518	Q8IXS8	S359	SSGASLSSQPIGTKP	75 / 8 AA	59
Phosphosite 12:	MGC39518	Q8IXS8	S358	FSSGASLSSQPIGTK	75 / 8 AA	59
Phosphosite 13:	PACS2	Q86VP3	S175	EIWIASLSSQPIDHE	75 / 8 AA	98
Phosphosite 14:	CDK5RAP2	Q96SN8	S385	ALSAALRSQNLTKST	66 / 9 AA	215
Phosphosite 15:	TMEM26	Q6ZUK4	S317	AVRASLRSQSEGLKG	85 / 7 AA	42
Phosphosite 16:	RSKL1	Q96S38	S626	EKLYSLKSEPLKPFF	71 / 7 AA	119
Phosphosite 17:	HPS1	Q92902	S418	EGPEPGASLRSQPLV	100 / 6 AA	79
Phosphosite 18:	ARGFX	A6NJG6	S181	DFYSSLPSQPLDPSN	75 / 8 AA	36
Phosphosite 19:	NDP	Q00604	S75	HCSQASRSEPLVSFS	83 / 6 AA	15
Phosphosite 20:	MAP1B	P46821	S1400	KVLSPLRSPPLIGSE	55 / 9 AA	271