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:	S335
P-Site Sequence:	RPLLTKLSLITAPRR
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	S335	RPLLTKLSLITAPRR	100 / 9 AA	75
Phosphosite 1:	FMR1	Q06787	S197	RSLRTKLSLIMRNEE	100 / 6 AA	71
Phosphosite 2:	C19orf21	Q8IVT2	T338	LTKLSLITAPRRERG	100 / 6 AA	75
Phosphosite 3:	ODF2L	Q9ULJ1	S518	HNLLTKLSLEEENCL	100 / 6 AA	74
Phosphosite 4:	PRAMEF13	Q5VWM6	S408	TSGLSKLSLETYPAP	75 / 8 AA	55
Phosphosite 5:	PRAMEF14	Q5SWL7	S360	TSGLSKLSLETYPAP	75 / 8 AA	49
Phosphosite 6:	PRAMEF1	O95521	S408	TSGLSKLSLETYPAP	75 / 8 AA	55
Phosphosite 7:	PRAMEF2	O60811	S408	TSGLSKLSLETYPAP	75 / 8 AA	55
Phosphosite 8:	MTF2	Q9Y483	S32	PTSLTKLSLQDGHKA	100 / 6 AA	67
Phosphosite 9:	Cbl-b	Q13191	T144	SQDRRNLTKLSLIFS	100 / 6 AA	109
Phosphosite 10:	Cbl	P22681	T152	SQPRRNLTKLSLIFS	100 / 6 AA	100
Phosphosite 11:	MTF2	Q9Y483	T29	QKTPTSLTKLSLQDG	100 / 6 AA	67
Phosphosite 12:	SELK	Q9Y6D0	S21	SQSPWRLSLITDFFW	71 / 7 AA	11
Phosphosite 13:	CAPN9	O14815	S562	DIKFKKLSLISCKNI	55 / 9 AA	79
Phosphosite 14:	HSPA5	P11021	S4	____MKLSLVAAMLL	71 / 7 AA	72
Phosphosite 15:	ZNF564	Q8TBZ8	S541	VKNVGKLSFITQPSN	83 / 6 AA	64
Phosphosite 16:	MYO9A	B2RTY4	S2273	NKAKTRLSLIRRSMG	83 / 6 AA	293
Phosphosite 17:	STAM	Q92783	S126	FKNDPQLSLISAMIK	71 / 7 AA	59
Phosphosite 18:	DENND3	A2RUS2	S153	KDFAAKLSLIPSPPP	83 / 6 AA	136
Phosphosite 19:	C21orf13	O95447	S265	EELTHKLSIITTKMD	71 / 7 AA	77
Phosphosite 20:	MYO15A	Q9UKN7	S472	KPARSKLSLIRKFRL	83 / 6 AA	395