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:	S718
P-Site Sequence:	PQPFILGSDLDKNDE
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	S718	PQPFILGSDLDKNDE	100 / 9 AA	119
Phosphosite 1:	ZNF571	Q7Z3V5	S292	GKAFILGSQLTYHQR	85 / 7 AA	71
Phosphosite 2:	ZNF571	Q7Z3V5	S320	GKAFILGSHLTYHQR	85 / 7 AA	71
Phosphosite 3:	ZNF565	Q8N9K5	S488	GQAFILGSQLIEHYR	85 / 7 AA	58
Phosphosite 4:	PKD1L3	Q7Z443	S21	RTSIILGSELNSPAP	62 / 8 AA	196
Phosphosite 5:	MARK4	Q96L34	S210	SNEFTLGSKLDTFCG	75 / 8 AA	83
Phosphosite 6:	DNMT1	P26358	S983	YSDYIKGSNLDAPEP	62 / 8 AA	183
Phosphosite 7:	4930429A22Rik Probable exonuclease	Q8IYB7	S421	SYFVPEGSDLDKVAA	100 / 6 AA	99
Phosphosite 8:	islet-2	Q96A47	S311	LSEFALQSDLDQPAF	66 / 9 AA	40
Phosphosite 9:	NCAPD2	Q15021	S791	GKPEIVGSNLDTLVS	62 / 8 AA	157
Phosphosite 10:	PLA2R1	Q13018	S1456	LEENILISDLEKSDQ	75 / 8 AA	169
Phosphosite 11:	MLL2	O14686	S1598	PGEGMLSSDLDRIST	62 / 8 AA	564
Phosphosite 12:	TTPAL	Q9BTX7	S256	NRFFLHGSDLNSLHT	62 / 8 AA	39
Phosphosite 13:	LOC375337	Q8N9V7	S980	FSEQIKGSDLDEKHR	85 / 7 AA	191
Phosphosite 14:	CCDC8	Q9H0W5	S142	LGSKFLGSDLESEDD	71 / 7 AA	59
Phosphosite 15:	FAM75B	Q5VZV4	T56	QLQSLLGTHLDKGDF	62 / 8 AA	20
Phosphosite 16:	ADAMTS10	Q9H324	S688	GCDRVLGSDLREDKC	83 / 6 AA	121
Phosphosite 17:	DNAH6	Q9C0G6	S810	QFCVHLGSDLEELNN	83 / 6 AA	476
Phosphosite 18:	SPAG5	Q96R06	S334	DVGRILGSDTESWMS	71 / 7 AA	134
Phosphosite 19:	HTATSF1	O43719	S747	TGSSFILSSDDDDDD	83 / 6 AA	86
Phosphosite 20:	ARMC4	Q5T2S8	S139	PIVKILGSDYNTMKE	71 / 7 AA	116