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:	S46
P-Site Sequence:	WPFIHGSSPMALHPR
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	S46	WPFIHGSSPMALHPR	100 / 9 AA	42
Phosphosite 1:	PRR21	Q8WXC7	S74	CPFTHGSSPMSLHPR	77 / 9 AA	42
Phosphosite 2:	ASB6	Q9NWX5	S139	RDRIHESSPLDLASE	66 / 9 AA	47
Phosphosite 3:	PRR21	Q8WXC7	S130	RPFVHASSPTALPPC	66 / 9 AA	42
Phosphosite 4:	PRR21	Q8WXC7	S102	RPFVHASSPTALRPC	66 / 9 AA	42
Phosphosite 5:	PRR21	Q8WXC7	S73	PCPFTHGSSPMSLHP	75 / 8 AA	42
Phosphosite 6:	ZCCHC11	Q5TAX3	S617	MKEKHGKSPLALETP	75 / 8 AA	185
Phosphosite 7:	MAST1	Q9Y2H9	S930	PAVDPHGSSPLASPM	85 / 7 AA	171
Phosphosite 8:	MAST1	Q9Y2H9	S931	AVDPHGSSPLASPMS	85 / 7 AA	171
Phosphosite 9:	PRR21	Q8WXC7	S270	RPFLHASSPTALRPC	66 / 9 AA	42
Phosphosite 10:	PRR21	Q8WXC7	S158	RPFLHASSPTALPPC	66 / 9 AA	42
Phosphosite 11:	JAK1	P23458	S1083	TYCDSDSSPMALFLK	85 / 7 AA	133
Phosphosite 12:	DPP8	Q6V1X1	S318	VEIIHVTSPMLETRR	71 / 7 AA	103
Phosphosite 13:	ASB6	Q9NWX5	S138	RRDRIHESSPLDLAS	62 / 8 AA	47
Phosphosite 14:	PDZD7	Q9H5P4	S62	PRGIRASSPMGRVIL	62 / 8 AA	56
Phosphosite 15:	IHPK3	Q96PC2	S356	PQAAHGSSPGGLTKV	75 / 8 AA	46
Phosphosite 16:	PDZD7	Q9H5P4	S61	PPRGIRASSPMGRVI	62 / 8 AA	56
Phosphosite 17:	CELSR1	Q9NYQ6	S664	VEAVDHGSPPMSSST	71 / 7 AA	329
Phosphosite 18:	Bcl-11A	Q9H165	S432	KTHMHKSSPMTVKSD	55 / 9 AA	91
Phosphosite 19:	PAH (Phenylalanine Hydroxylase)	P00439	S273	TQYIRHGSKPMYTPE	83 / 6 AA	52
Phosphosite 20:	ZDHHC14	Q8IZN3	S23	QISTHSSSPMESPHK	62 / 8 AA	53