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:	S341
P-Site Sequence:	PFIHASSSKSLHLRL
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	S341	PFIHASSSKSLHLRL	100 / 9 AA	42
Phosphosite 1:	PRR21	Q8WXC7	S327	PFVHASSSTSLHPRP	88 / 9 AA	42
Phosphosite 2:	PRR21	Q8WXC7	S343	IHASSSKSLHLRLFS	100 / 7 AA	42
Phosphosite 3:	PRR21	Q8WXC7	S326	RPFVHASSSTSLHPR	87 / 8 AA	42
Phosphosite 4:	PRR21	Q8WXC7	S339	PRPFIHASSSKSLHL	100 / 7 AA	42
Phosphosite 5:	SLC24A1	O60721	S659	LLTRGSSSTSLHNST	66 / 9 AA	121
Phosphosite 6:	TNS4	Q8IZW8	S304	NSSHQSSSRSLESPA	75 / 8 AA	77
Phosphosite 7:	EVI5	O60447	S53	ASQVASPSTSLHTTS	75 / 8 AA	93
Phosphosite 8:	SYPL2	Q5VXT5	S102	LCDEESSSKTMHLMG	62 / 8 AA	30
Phosphosite 9:	Myomesin 2	P54296	S44	RASTQASSQKSLSQR	75 / 8 AA	165
Phosphosite 10:	ZNF490	Q9ULM2	S514	CGKAFSYSKSLHVHE	85 / 7 AA	61
Phosphosite 11:	KIAA2022	Q5QGS0	S1454	LYRHKSSSKALRDEK	66 / 9 AA	168
Phosphosite 12:	TNS4	Q8IZW8	S303	SNSSHQSSSRSLESP	75 / 8 AA	77
Phosphosite 13:	ZNF490	Q9ULM2	S516	KAFSYSKSLHVHERT	85 / 7 AA	61
Phosphosite 14:	SLC24A1	O60721	T660	LTRGSSSTSLHNSTI	75 / 8 AA	121
Phosphosite 15:	MED19	A0JLT2	S240	GSSQASSSSSLR___	66 / 9 AA	26
Phosphosite 16:	PTGER3	P43115	S371	TNNYASSSTSLPCQC	66 / 9 AA	43
Phosphosite 17:	L1TD1	Q5T7N2	S559	TLCLASPSKSLEMSH	85 / 7 AA	99
Phosphosite 18:	APBA1	Q02410	T417	LGAESSSTSLHPSDP	75 / 8 AA	93
Phosphosite 19:	MGC39518	Q8IXS8	S454	RTASASSSKSFDYVN	75 / 8 AA	59
Phosphosite 20:	SYPL2	Q5VXT5	T104	DEESSSKTMHLMGDF	71 / 7 AA	30