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:	HERV-H_22q11.2 provirus ancestral Gag polyprotein
Human P-Site:	S270
P-Site Sequence:	ERESFFSSPISC___
UniProt:	Q8N8A4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HERV-H_22q11.2 provirus ancestral Gag polyprotein	Q8N8A4	S270	ERESFFSSPISC___	100 / 9 AA	30
Phosphosite 1:	HERV-H_22q11.2 provirus ancestral Gag polyprotein	Q8N8A4	S269	DERESFFSSPISC__	100 / 8 AA	30
Phosphosite 2:	USP54	Q70EL1	S925	GASSFFHSPASCHES	77 / 9 AA	187
Phosphosite 3:	ELYS	Q8WYP5	T1105	LPEAFFGTPISKASQ	62 / 8 AA	252
Phosphosite 4:	F8	P00451	S1807	RPYSFYSSLISYEED	66 / 9 AA	267
Phosphosite 5:	KCNK9	Q9NPC2	S349	LKNSLFPSPISSISP	66 / 9 AA	42
Phosphosite 6:	ITPR1	Q14643	S1502	IVTTFFSSPFSDQST	75 / 8 AA	314
Phosphosite 7:	ITPR1	Q14643	S1501	SIVTTFFSSPFSDQS	75 / 8 AA	314
Phosphosite 8:	GluR-delta2	O43424	S977	PNGGFFRSPIKTMSS	71 / 7 AA	113
Phosphosite 9:	SLC45A1	Q9Y2W3	S369	SHTATNFSSPISPPS	100 / 6 AA	85
Phosphosite 10:	KIAA0141	Q14154	S130	PLDRFFSSPLWHPCS	62 / 8 AA	56
Phosphosite 11:	KIAA1731	Q9C0D2	S1890	REQSFFGSPLAHDPF	55 / 9 AA	295
Phosphosite 12:	ITPR3	Q14573	S1482	TINAFFSSPFSENST	75 / 8 AA	304
Phosphosite 13:	ITPR3	Q14573	S1481	DTINAFFSSPFSENS	75 / 8 AA	304
Phosphosite 14:	SLC45A1	Q9Y2W3	S370	HTATNFSSPISPPSP	100 / 6 AA	85
Phosphosite 15:	KIAA0141	Q14154	S129	SPLDRFFSSPLWHPC	71 / 7 AA	56
Phosphosite 16:	Elf-2	Q15723	S344	VRSGKNSSPINCSRA	83 / 6 AA	64
Phosphosite 17:	USP1	O94782	S67	VVPAAQSSPINCEKR	83 / 6 AA	88
Phosphosite 18:	F8	P00451	S1806	SRPYSFYSSLISYEE	75 / 8 AA	267
Phosphosite 19:	GPBP1L1	Q9HC44	S274	SRESAFTSPISVTKP	66 / 9 AA	52
Phosphosite 20:	SLA	Q13239	S269	KRKSSFFSSPPYFED	100 / 6 AA	31