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:	PRR21
Human P-Site:	S327
P-Site Sequence:	PFVHASSSTSLHPRP
UniProt:	Q8WXC7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRR21	Q8WXC7	S327	PFVHASSSTSLHPRP	100 / 9 AA	42
Phosphosite 1:	PRR21	Q8WXC7	S341	PFIHASSSKSLHLRL	88 / 9 AA	42
Phosphosite 2:	PRR21	Q8WXC7	S326	RPFVHASSSTSLHPR	100 / 8 AA	42
Phosphosite 3:	SLC24A1	O60721	S659	LLTRGSSSTSLHNST	77 / 9 AA	121
Phosphosite 4:	EVI5	O60447	S53	ASQVASPSTSLHTTS	87 / 8 AA	93
Phosphosite 5:	SLC24A1	O60721	T660	LTRGSSSTSLHNSTI	87 / 8 AA	121
Phosphosite 6:	PRR21	Q8WXC7	S61	LFTHGPSSTALHPCP	66 / 9 AA	42
Phosphosite 7:	PTGER3	P43115	S371	TNNYASSSTSLPCQC	77 / 9 AA	43
Phosphosite 8:	APBA1	Q02410	T417	LGAESSSTSLHPSDP	87 / 8 AA	93
Phosphosite 9:	APBA1	Q02410	S416	PLGAESSSTSLHPSD	87 / 8 AA	93
Phosphosite 10:	PRR21	Q8WXC7	S329	VHASSSTSLHPRPFI	100 / 7 AA	42
Phosphosite 11:	APBA1	Q02410	S418	GAESSSTSLHPSDPV	100 / 7 AA	93
Phosphosite 12:	SLC24A1	O60721	S661	TRGSSSTSLHNSTIR	100 / 7 AA	121
Phosphosite 13:	PRR21	Q8WXC7	S130	RPFVHASSPTALPPC	75 / 8 AA	42
Phosphosite 14:	PRR21	Q8WXC7	S102	RPFVHASSPTALRPC	75 / 8 AA	42
Phosphosite 15:	PRR21	Q8WXC7	S270	RPFLHASSPTALRPC	75 / 8 AA	42
Phosphosite 16:	PRR21	Q8WXC7	S158	RPFLHASSPTALPPC	75 / 8 AA	42
Phosphosite 17:	MED19	A0JLT2	S240	GSSQASSSSSLR___	66 / 9 AA	26
Phosphosite 18:	PRR21	Q8WXC7	S325	PRPFVHASSSTSLHP	100 / 7 AA	42
Phosphosite 19:	ARL6IP2	Q8NHH9	T36	AVNHVSSTTSLGENY	75 / 8 AA	66
Phosphosite 20:	ARL6IP2	Q8NHH9	S35	AAVNHVSSTTSLGEN	75 / 8 AA	66