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:	C19orf21
Human P-Site:	S155
P-Site Sequence:	QGQAVRKSSTVATLQ
UniProt:	Q8IVT2
Intern. Prot. ID:	IPI00217121

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C19orf21	Q8IVT2	S155	QGQAVRKSSTVATLQ	100 / 9 AA	75
Phosphosite 1:	C19orf21	Q8IVT2	S156	GQAVRKSSTVATLQG	100 / 8 AA	75
Phosphosite 2:	GPR101	Q96P66	S309	GSEEVRESSTVASDG	77 / 9 AA	57
Phosphosite 3:	C19orf21	Q8IVT2	T157	QAVRKSSTVATLQGT	100 / 7 AA	75
Phosphosite 4:	GPR101	Q96P66	S310	SEEVRESSTVASDGS	87 / 8 AA	57
Phosphosite 5:	NAP5	O14513	S1163	SPQLLRKSSTVPGKH	75 / 8 AA	209
Phosphosite 6:	NAP5	O14513	S1164	PQLLRKSSTVPGKHE	75 / 8 AA	209
Phosphosite 7:	ABCC1	P33527	T419	NSARKSSTVGEIVNL	85 / 7 AA	172
Phosphosite 8:	SMG9	Q9H0W8	S509	IWDGVRKSSALAEYS	66 / 9 AA	58
Phosphosite 9:	ABCC1	P33527	S418	TNSARKSSTVGEIVN	85 / 7 AA	172
Phosphosite 10:	UBD	O15205	S110	LLQVRRSSSVAQVKA	75 / 8 AA	18
Phosphosite 11:	ZBTB1	Q9Y2K1	T306	TGSRKSSTVESEIAS	85 / 7 AA	82
Phosphosite 12:	SMG9	Q9H0W8	S510	WDGVRKSSALAEYSR	75 / 8 AA	58
Phosphosite 13:	NAP5	O14513	T1165	QLLRKSSTVPGKHEK	85 / 7 AA	209
Phosphosite 14:	ABCC1	P33527	S417	ITNSARKSSTVGEIV	85 / 7 AA	172
Phosphosite 15:	CFL2	Q9Y281	S24	DMKVRKSSTQEEIKK	100 / 6 AA	19
Phosphosite 16:	ZBTB1	Q9Y2K1	S304	STTGSRKSSTVESEI	85 / 7 AA	82
Phosphosite 17:	OPN5	Q6U736	S344	VTTVRKSSAVLEIHE	85 / 7 AA	40
Phosphosite 18:	CFL1	P23528	S24	DMKVRKSSTPEEVKK	100 / 6 AA	19
Phosphosite 19:	KIF23	Q02241	T913	SRKRRSSTVAPAQPD	85 / 7 AA	110
Phosphosite 20:	TBC1D14	Q9P2M4	S127	REQSVRKSSTFPRTG	85 / 7 AA	77