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:	S376
P-Site Sequence:	GLHVGRASTPDWVSE
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	S376	GLHVGRASTPDWVSE	100 / 9 AA	75
Phosphosite 1:	C19orf21	Q8IVT2	T377	LHVGRASTPDWVSEG	100 / 8 AA	75
Phosphosite 2:	FLII	Q13045	S1109	YAWVGRASDPDEAKL	87 / 8 AA	145
Phosphosite 3:	FAM170A	A1A519	T217	EDTPRAKTPDWLVTM	85 / 7 AA	37
Phosphosite 4:	DEAF-1	O75398	S248	EAMAGRASSKDWKRS	66 / 9 AA	59
Phosphosite 5:	DEAF-1	O75398	S249	AMAGRASSKDWKRSI	75 / 8 AA	59
Phosphosite 6:	ZNF423	Q2M1K9	S382	SASVERGSTPDSTLK	66 / 9 AA	145
Phosphosite 7:	CENTG1	Q99490	T339	REGGRASTRDRKMLK	75 / 8 AA	125
Phosphosite 8:	CENTG1	Q99490	S338	GREGGRASTRDRKML	75 / 8 AA	125
Phosphosite 9:	NOTCH4	Q99466	S1945	AGRGGRVSTDDWPCD	75 / 8 AA	210
Phosphosite 10:	NOTCH4	Q99466	T1946	GRGGRVSTDDWPCDW	75 / 8 AA	210
Phosphosite 11:	CCDC64	Q6ZP65	S13	LGLVGRASAPAEPDS	85 / 7 AA	55
Phosphosite 12:	C2orf17	Q8NC44	T329	GFSVSRATTPQLTDV	55 / 9 AA	58
Phosphosite 13:	MAP3K7IP3	Q8N5C8	T463	KITVGRATTENLLNL	55 / 9 AA	79
Phosphosite 14:	FOXJ3	Q9UPW0	S178	ARSVERASTPYSIDS	85 / 7 AA	69
Phosphosite 15:	FCGR3A	P08637	T237	KTNIRSSTRDWKDHK	71 / 7 AA	29
Phosphosite 16:	FCGR3A	P08637	S236	VKTNIRSSTRDWKDH	71 / 7 AA	29
Phosphosite 17:	NuaK2	Q9H093	S331	GSDSARASMADWLRR	62 / 8 AA	70
Phosphosite 18:	SNAPC2	Q13487	T331	ELLGRAATPAR____	62 / 8 AA	36
Phosphosite 19:	FRY	Q5TBA9	T940	PGHLRASTPEIMATT	83 / 6 AA	339
Phosphosite 20:	NLRX1	Q86UT6	S118	VDPVIRESTPDELLR	75 / 8 AA	108