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:	SAMHD1
Human P-Site:	S23
P-Site Sequence:	DDSPRTPSNTPSAEA
UniProt:	Q9Y3Z3
Intern. Prot. ID:	IPI00294739

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SAMHD1	Q9Y3Z3	S23	DDSPRTPSNTPSAEA	100 / 9 AA	72
Phosphosite 1:	SAMHD1	Q9Y3Z3	T21	RCDDSPRTPSNTPSA	100 / 7 AA	72
Phosphosite 2:	WDR22	Q96JK2	S742	EETPRTPSNGPGHEH	77 / 9 AA	104
Phosphosite 3:	SAMHD1	Q9Y3Z3	T25	SPRTPSNTPSAEADW	100 / 7 AA	72
Phosphosite 4:	PKD1L1	Q8TDX9	S259	PGIPRTPSFTASQSG	77 / 9 AA	315
Phosphosite 5:	YEATS2	Q9ULM3	T480	SPLPRTPTSTPVHVK	75 / 8 AA	151
Phosphosite 6:	Proline-rich protein 35	P0CG20	S294	PVSPRSPSGTPAPGL	66 / 9 AA
Phosphosite 7:	WDR22	Q96JK2	T740	FKEETPRTPSNGPGH	100 / 6 AA	104
Phosphosite 8:	SYNPO2L	Q9H987	S790	GPRPRSPSPTPSLPP	77 / 9 AA	102
Phosphosite 9:	ZNF487	B1APH4	S11	RPRPRTPSRGPSDLR	77 / 9 AA	52
Phosphosite 10:	LPIN2	Q92539	T289	DHHPRTATITPSENT	66 / 9 AA	99
Phosphosite 11:	TCEB3C	Q8NG57	S123	ATAPRSPSHSPEHRR	62 / 8 AA	60
Phosphosite 12:	TCEB3B	Q8IYF1	S123	ATAPRSPSHSPEHRR	62 / 8 AA	84
Phosphosite 13:	TCEB3CL	Q3SY89	S123	ATAPRSPSHSPEHRR	62 / 8 AA	60
Phosphosite 14:	TCEB3CL2	A6NLF2	S123	ATAPRSPSHSPEHRR	62 / 8 AA	60
Phosphosite 15:	KIAA1849	Q96JH8	S281	TVGQRTPSSKPSISL	75 / 8 AA	117
Phosphosite 16:	DDX49	Q9Y6V7	S470	GRPPRTPSGSHSGPV	66 / 9 AA	54
Phosphosite 17:	KIAA1849	Q96JH8	S282	VGQRTPSSKPSISLS	75 / 8 AA	117
Phosphosite 18:	OBFC2B	Q9BQ15	S172	PHPPHTPSHPPSTRI	66 / 9 AA	22
Phosphosite 19:	ARHGAP11A	Q6P4F7	S304	FKPNRTPSITPQEER	85 / 7 AA	114
Phosphosite 20:	TTBK2	Q6IQ55	S1165	SSLPRTSSSSPSRAG	66 / 9 AA	137