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:	FAM21C
Human P-Site:	S639
P-Site Sequence:	QTHLASDSRSKGEPR
UniProt:	Q9Y4E1
Intern. Prot. ID:	IPI00514705

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	FAM21C	Q9Y4E1	S639	QTHLASDSRSKGEPR	100 / 9 AA	145
Phosphosite 1:	FAM21A	Q641Q2	S639	QTHLASDSRSKGEPR	100 / 9 AA	147
Phosphosite 2:	FAM21B	Q5SNT6	S551	QTHLASDSRSKGEPR	100 / 9 AA	137
Phosphosite 3:	FAM21A	Q641Q2	S641	HLASDSRSKGEPRDS	100 / 7 AA	147
Phosphosite 4:	FAM21B	Q5SNT6	S553	HLASDSRSKGEPRDS	100 / 7 AA	137
Phosphosite 5:	FAM21C	Q9Y4E1	S637	ASQTHLASDSRSKGE	100 / 7 AA	145
Phosphosite 6:	FAM21A	Q641Q2	S637	ASQTHLASDSRSKGE	100 / 7 AA	147
Phosphosite 7:	FAM21B	Q5SNT6	S549	ASQTHLASDSRSKGE	100 / 7 AA	137
Phosphosite 8:	ERAL1	O75616	S61	GPRLASASRSNGQGS	77 / 9 AA	48
Phosphosite 9:	KEAP1	Q14145	S295	CEILQSDSRCKDYLV	66 / 9 AA	70
Phosphosite 10:	MTMR3	Q13615	S265	AKACASDSRSSGSKL	87 / 8 AA	134
Phosphosite 11:	KIAA0494	O75071	S17	LIGLAGDSRRKKPKK	75 / 8 AA	55
Phosphosite 12:	ARHGEF11	O15085	S1489	PAKEPLASDSRNSHE	85 / 7 AA	168
Phosphosite 13:	SGK223	Q86YV5	S767	TDSLASDSRTCSDGG	85 / 7 AA	150
Phosphosite 14:	SGK223	Q86YV5	S765	GSTDSLASDSRTCSD	85 / 7 AA	150
Phosphosite 15:	SAPS2	O75170	S822	APLLASDSSSSGGSH	77 / 9 AA	105
Phosphosite 16:	ARHGEF11	O15085	S1491	KEPLASDSRNSHELG	85 / 7 AA	168
Phosphosite 17:	RFC1	P35251	T680	VELNASDTRSKSSLK	75 / 8 AA	128
Phosphosite 18:	NCOA3	Q9Y6Q9	S15	LDPLASDSRKRKLPC	75 / 8 AA	155
Phosphosite 19:	NCOA3	Q9Y6Q9	S13	ENLDPLASDSRKRKL	100 / 6 AA	155
Phosphosite 20:	NAGLU	P54802	S614	DEVLASDSRFLLGSW	100 / 6 AA	82