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:	S553
P-Site Sequence:	LLERERESVLRREQE
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	S553	LLERERESVLRREQE	100 / 9 AA	75
Phosphosite 1:	UBR5	O95071	S313	ELLRERESVLRLRER	100 / 8 AA	309
Phosphosite 2:	BMP15	O95972	S261	EEFMERESLLRRTRQ	87 / 8 AA	45
Phosphosite 3:	SAMD4B	Q5PRF9	S361	QKLRERQSVLKSLEK	75 / 8 AA	75
Phosphosite 4:	EME1	Q96AY2	S224	RQARQKESTLRRQER	66 / 9 AA	63
Phosphosite 5:	FAM5B	Q9C0B6	S207	SYFIDRESTLRRLHH	75 / 8 AA	89
Phosphosite 6:	TCHH	Q07283	T251	KEWRKRETVLRKEEE	66 / 9 AA	247
Phosphosite 7:	FAM5B	Q9C0B6	T208	YFIDRESTLRRLHHI	75 / 8 AA	89
Phosphosite 8:	RECQL4	O94761	S564	MTRKQRESVLQKIRA	55 / 9 AA	133
Phosphosite 9:	FMR1	Q06787	S524	PTEEERESFLRRGDG	87 / 8 AA	71
Phosphosite 10:	TADA3L	O75528	S425	KTLKERESILKLLDG	62 / 8 AA	49
Phosphosite 11:	DSC3	Q14574	T128	KTRHTRETVLRRAKR	85 / 7 AA	100
Phosphosite 12:	SPTBN4	Q9H254	S512	RVAAQRDSVLRQWAL	62 / 8 AA	289
Phosphosite 13:	GAS8	O95995	S136	KEHRIQESVLRKDMR	66 / 9 AA	56
Phosphosite 14:	BZRAP1	O95153	S419	GVTQERDSALRKSQG	55 / 9 AA	200
Phosphosite 15:	C6orf183	Q5T699	S125	AVQRELESCLRREYT	77 / 9 AA	46
Phosphosite 16:	MAML2	Q8IZL2	S72	SSDRERESTLQLLSL	75 / 8 AA	125
Phosphosite 17:	CNTLN	Q9NXG0	S181	QEFEQRESVLKQEIN	62 / 8 AA	162
Phosphosite 18:	MDN1	Q9NU22	S2661	GSKKLRESVLRMSFE	100 / 6 AA	633
Phosphosite 19:	ABCG4	Q9H172	S604	CPFREPQSILRALDV	62 / 8 AA	72
Phosphosite 20:	PRG2	Q6T4P5	S684	LGPGSRESTLRRHAG	85 / 7 AA	76