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:	S466
P-Site Sequence:	TSPKATMSPRHLSES
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	S466	TSPKATMSPRHLSES	100 / 9 AA	75
Phosphosite 1:	C19orf21	Q8IVT2	T464	AATSPKATMSPRHLS	100 / 7 AA	75
Phosphosite 2:	MORC4	Q8TE76	S36	GIRLSTMSPRYLQSN	75 / 8 AA	106
Phosphosite 3:	ANKRD28	O15084	S585	SDNRATISPLHLAAY	66 / 9 AA	117
Phosphosite 4:	MUC2	Q02817	S5172	TSRRARRSPRHLGSG	66 / 9 AA	540
Phosphosite 5:	PTCH2	Q9Y6C5	S324	QSTFLLMSPRQLYEH	83 / 6 AA	131
Phosphosite 6:	SRRM2	Q9UQ35	S924	PKVKAIISPRQRSHS	62 / 8 AA	300
Phosphosite 7:	MORC4	Q8TE76	Y39	LSTMSPRYLQSNSSS	83 / 6 AA	106
Phosphosite 8:	Putative SAGE1-like protein	A6NJ88	S204	VADFSAMSPRDLYAT	62 / 8 AA	69
Phosphosite 9:	KCTD3	Q9Y597	S800	SPTKTTPSPRHKKSD	75 / 8 AA	89
Phosphosite 10:	Nuclear envelope pore membrane protein POM 121	Q96HA1	S260	YHKKAVLSPRNSRMV	62 / 8 AA
Phosphosite 11:	SIPA1L1	O43166	S1427	ASHTSTMSSRHSASP	71 / 7 AA	200
Phosphosite 12:	SIPA1L1	O43166	S1428	SHTSTMSSRHSASPV	71 / 7 AA	200
Phosphosite 13:	ANKRD44	Q8N8A2	S569	SDSGATKSPLHLAAY	75 / 8 AA	108
Phosphosite 14:	TMEM219	Q86XT9	T169	EEGAGNATLSPRMGE	71 / 7 AA	26
Phosphosite 15:	C13orf16	Q8N6K0	S10	YVLEVKNSPRHLLKQ	100 / 5 AA	17
Phosphosite 16:	ZFYVE1	Q9HBF4	S389	LENNTTRSPRHPGVI	62 / 8 AA	87
Phosphosite 17:	tau	P10636	S721	PVVSGDTSPRHLSNV	100 / 5 AA	79
Phosphosite 18:	MORC4	Q8TE76	T34	AFGIRLSTMSPRYLQ	83 / 6 AA	106
Phosphosite 19:	KIF26B	Q2KJY2	S1400	VYPCIAMSPRNIQEP	57 / 7 AA	224
Phosphosite 20:	TMEM219	Q86XT9	S171	GAGNATLSPRMGEEC	71 / 7 AA	26