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:	C4orf21
Human P-Site:	S335
P-Site Sequence:	AMYLSSQSSPIHSST
UniProt:	Q86YA3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf21	Q86YA3	S335	AMYLSSQSSPIHSST	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S336	MYLSSQSSPIHSSTV	100 / 8 AA	119
Phosphosite 2:	mahogunin	O60291	S459	DSTLRSPSSPIHEED	77 / 9 AA	61
Phosphosite 3:	KIAA0913	A7E2V4	S263	DELLSSQSTAINTVC	66 / 9 AA	197
Phosphosite 4:	ATG9B	Q674R7	S165	DPEGSQDSPIHGEEQ	75 / 8 AA	101
Phosphosite 5:	LTBP1	Q14766	S296	VTPLSSQSVVIHHGQ	77 / 9 AA	173
Phosphosite 6:	BCLAF1	Q9NYF8	S290	RYSPSQNSPIHHIPS	85 / 7 AA	106
Phosphosite 7:	C4orf21	Q86YA3	S333	RWAMYLSSQSSPIHS	100 / 7 AA	119
Phosphosite 8:	KIAA0182	Q14687	S83	GSSLSSESSPVSSPA	75 / 8 AA	136
Phosphosite 9:	RUSC2	Q8N2Y8	S406	LVTCDLSSQSSPSPA	100 / 7 AA	161
Phosphosite 10:	RUSC2	Q8N2Y8	S408	TCDLSSQSSPSPAGS	100 / 7 AA	161
Phosphosite 11:	SYNJ1	O43426	S1084	GPPSAQSSPIDAQPA	75 / 8 AA	173
Phosphosite 12:	AAMP	Q13685	S248	IWDLKQGSPIHVLKG	83 / 6 AA	47
Phosphosite 13:	SYNJ1	O43426	S1083	PGPPSAQSSPIDAQP	75 / 8 AA	173
Phosphosite 14:	SIPA1L1	O43166	S113	LDSLSSKSSPVSQGS	75 / 8 AA	200
Phosphosite 15:	mahogunin	O60291	S460	STLRSPSSPIHEEDE	85 / 7 AA	61
Phosphosite 16:	ATP2B2	Q01814	S1234	ATSSSPGSPIHSLET	75 / 8 AA	137
Phosphosite 17:	KIDINS220	Q9ULH0	S1593	SGVRSSESSPNHSLH	75 / 8 AA	197
Phosphosite 18:	KIDINS220	Q9ULH0	S1594	GVRSSESSPNHSLHN	75 / 8 AA	197
Phosphosite 19:	CACNA1B	Q00975	S2209	TYKTANSSPIHFAGA	62 / 8 AA	262
Phosphosite 20:	ZNF286A	Q9HBT8	S16	PEKGALSSQDSPHFQ	85 / 7 AA	60