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:	S448
P-Site Sequence:	FGAFGKPSSLSTAEA
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	S448	FGAFGKPSSLSTAEA	100 / 9 AA	75
Phosphosite 1:	C19orf21	Q8IVT2	S449	GAFGKPSSLSTAEAK	100 / 8 AA	75
Phosphosite 2:	PCGF1	Q9BSM1	S246	SRWFGKPSPLLLQYS	85 / 7 AA	30
Phosphosite 3:	FBXW9	Q5XUX1	S51	GLAFSRPSQLSTPAA	66 / 9 AA	54
Phosphosite 4:	ARHGAP12	Q8IWW6	S120	LSSFGKPSSSVQGTG	100 / 6 AA	96
Phosphosite 5:	MTUS1	Q9ULD2	S767	SSSGKPTSLKTAQSS	75 / 8 AA	141
Phosphosite 6:	ZNF518B	Q9C0D4	S681	ESCGKPSSLASNSAH	75 / 8 AA	120
Phosphosite 7:	ZNF518B	Q9C0D4	S680	IESCGKPSSLASNSA	75 / 8 AA	120
Phosphosite 8:	MTUS1	Q9ULD2	T766	VSSSGKPTSLKTAQS	75 / 8 AA	141
Phosphosite 9:	MED1	Q15648	S1179	MKPQGKPSSLMNPSL	100 / 6 AA	168
Phosphosite 10:	LAMA3	Q16787	S3118	PPSGKPKSLPTNSFV	75 / 8 AA	367
Phosphosite 11:	MED1	Q15648	S1180	KPQGKPSSLMNPSLS	100 / 6 AA	168
Phosphosite 12:	NDUFB4	O95168	S9	SFPKYKPSSLRTLPE	85 / 7 AA	15
Phosphosite 13:	LRRC19	Q9H756	S326	GFTGNPSSLSQIPET	85 / 7 AA	42
Phosphosite 14:	CACNB3	P54284	S143	RRSGNPSSLSDIGNR	85 / 7 AA	55
Phosphosite 15:	ZNF226	Q9NYT6	S460	GKGFSRPSSLQAHQG	71 / 7 AA	92
Phosphosite 16:	NDUFB4	O95168	S10	FPKYKPSSLRTLPET	85 / 7 AA	15
Phosphosite 17:	LRRC19	Q9H756	S325	DGFTGNPSSLSQIPE	85 / 7 AA	42
Phosphosite 18:	CACNB3	P54284	S142	ARRSGNPSSLSDIGN	85 / 7 AA	55
Phosphosite 19:	WRAP53	Q9BUR4	S87	ETEFGSPSELSPRIE	75 / 8 AA	59
Phosphosite 20:	CXXC6	Q8NFU7	S1797	TNNSKPSSLPTLGSN	75 / 8 AA	235