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:	S326
P-Site Sequence:	RPFVHASSSTSLHPR
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	S326	RPFVHASSSTSLHPR	100 / 9 AA	42
Phosphosite 1:	PRR21	Q8WXC7	S130	RPFVHASSPTALPPC	77 / 9 AA	42
Phosphosite 2:	PRR21	Q8WXC7	S102	RPFVHASSPTALRPC	77 / 9 AA	42
Phosphosite 3:	PRR21	Q8WXC7	S325	PRPFVHASSSTSLHP	100 / 8 AA	42
Phosphosite 4:	PRR21	Q8WXC7	S327	PFVHASSSTSLHPRP	100 / 8 AA	42
Phosphosite 5:	BSN	Q9UPA5	S1575	QTRMVHASASTSPLC	87 / 8 AA	416
Phosphosite 6:	PRR21	Q8WXC7	S341	PFIHASSSKSLHLRL	87 / 8 AA	42
Phosphosite 7:	PRR21	Q8WXC7	S270	RPFLHASSPTALRPC	66 / 9 AA	42
Phosphosite 8:	PRR21	Q8WXC7	S158	RPFLHASSPTALPPC	66 / 9 AA	42
Phosphosite 9:	PTGER3	P43115	S371	TNNYASSSTSLPCQC	87 / 8 AA	43
Phosphosite 10:	RGAG4	Q5HYW3	S478	EPTFVHASSQTSGPT	87 / 8 AA	65
Phosphosite 11:	RGAG4	Q5HYW3	S479	PTFVHASSQTSGPTS	87 / 8 AA	65
Phosphosite 12:	PRR21	Q8WXC7	S129	PRPFVHASSPTALPP	75 / 8 AA	42
Phosphosite 13:	RNF43	Q68DV7	S493	SLQGVHGSSSTFCSS	85 / 7 AA	86
Phosphosite 14:	PRR21	Q8WXC7	S339	PRPFIHASSSKSLHL	75 / 8 AA	42
Phosphosite 15:	ARL6IP2	Q8NHH9	T36	AVNHVSSTTSLGENY	75 / 8 AA	66
Phosphosite 16:	ARL6IP2	Q8NHH9	S35	AAVNHVSSTTSLGEN	75 / 8 AA	66
Phosphosite 17:	FOXK2	Q01167	S611	LATHASASASLPTKR	75 / 8 AA	69
Phosphosite 18:	TTN	Q8WZ42	S8317	AAGSASSSTSLKVKE	100 / 7 AA	3816
Phosphosite 19:	POM121	A8CG34	S444	LCHHSSSSTPLAADK	75 / 8 AA	125
Phosphosite 20:	Nuclear envelope pore membrane protein POM 121	Q96HA1	S466	ELCHHSSSSTPLAAD	75 / 8 AA