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:	Y258
P-Site Sequence:	KTGGNFPYLCRSAEV
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	Y258	KTGGNFPYLCRSAEV	100 / 9 AA	34
Phosphosite 1:	GREB1	Q4ZG55	Y393	KGHGNFPYLCGNLND	100 / 7 AA	216
Phosphosite 2:	SLC6A19	Q695T7	Y60	GNVWRFPYLCQSHGG	85 / 7 AA	71
Phosphosite 3:	ZNF189	O75820	Y512	IHTGERPYLCRQCGK	75 / 8 AA	73
Phosphosite 4:	MAGI3	Q5TCQ9	Y44	AERGEFPYLGRLREE	75 / 8 AA	166
Phosphosite 5:	MCM6	Q14566	Y89	EFYRVYPYLCRALKT	71 / 7 AA	93
Phosphosite 6:	ERVK6	Q9WJR5	Y952	INGGKSPYACRSSCS	66 / 9 AA	108
Phosphosite 7:	ERVK6	Q9BXR3	Y949	INGGKSPYACRSSCS	66 / 9 AA	108
Phosphosite 8:	HERV-K_11q22.1 provirus ancestral Pol protein	P63136	Y947	INGGKSPYACRSSCS	66 / 9 AA	107
Phosphosite 9:	HERV-K_8p23.1 provirus ancestral Pol protein	P63133	Y949	INGGKSPYACRSSCS	66 / 9 AA	108
Phosphosite 10:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	Y949	INGGKSPYACRSSCS	66 / 9 AA	108
Phosphosite 11:	SLC6A15	Q9H2J7	Y89	GNVWRFPYLCQKNGG	83 / 6 AA	82
Phosphosite 12:	SLC6A17	Q9H1V8	Y88	GNIWRFPYLCQKNGG	83 / 6 AA	81
Phosphosite 13:	BTBD9	Q96Q07	Y369	RVIDHSQYLCRSWQK	55 / 9 AA	69
Phosphosite 14:	LUZP1	Q86V48	Y607	PVLSKYPYSCRSQEN	55 / 9 AA	120
Phosphosite 15:	AHI1	Q8N157	Y432	VFNENFPYLLRGSDE	75 / 8 AA	137
Phosphosite 16:	ZNF343	Q6P1L6	Y325	THSEEKPYLCRECGQ	100 / 5 AA	69
Phosphosite 17:	TMEM145	Q8NBT3	Y412	AANKNFPYHVRTSQI	62 / 8 AA	56
Phosphosite 18:	SLC6A1	P30531	Y72	GNVWRFPYLCGKNGG	100 / 5 AA	67
Phosphosite 19:	LUZP1	Q86V48	S608	VLSKYPYSCRSQENI	62 / 8 AA	120
Phosphosite 20:	SLC6A13	Q9NSD5	Y60	GNVWRFPYLCYKNGG	100 / 5 AA	68