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:	C21orf13
Human P-Site:	T303
P-Site Sequence:	LAIETRKTLAAQTAT
UniProt:	O95447
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf13	O95447	T303	LAIETRKTLAAQTAT	100 / 9 AA	77
Phosphosite 1:	ABTB2	Q8N961	T643	SIPEIRKTLPARLDP	66 / 9 AA	93
Phosphosite 2:	CdkL2	Q92772	T336	SLVEERKTLVVQDTN	66 / 9 AA	56
Phosphosite 3:	SHANK1	Q9Y566	T218	DSGETPLTLAAQTEG	77 / 9 AA	225
Phosphosite 4:	CD45	P08575	Y720	GFKEPRKYIAAQGPR	66 / 9 AA	150
Phosphosite 5:	LRRC16A	Q5VZK9	Y670	RNHETRKYLQEQAYR	66 / 9 AA	152
Phosphosite 6:	CCDC7	Q96M83	S454	LEKETRKSLVSDSGG	55 / 9 AA	56
Phosphosite 7:	APBA1	Q02410	S436	TNKESRKSLASFPTY	62 / 8 AA	93
Phosphosite 8:	ARHGAP14	O43295	T379	ENEEVRKTLDATMQT	75 / 8 AA	125
Phosphosite 9:	ZBBX	A8MT70	T624	NNSSTRITLAGQKSQ	75 / 8 AA	91
Phosphosite 10:	TRPM7	Q96QT4	T1248	LTVDTLKTLTAQKAS	66 / 9 AA	213
Phosphosite 11:	ABCA9	Q8IUA7	T835	SFHETRKTISGVALW	62 / 8 AA	184
Phosphosite 12:	RASSF7	Q02833	T127	LGCEPRKTLTPEPAP	55 / 9 AA	40
Phosphosite 13:	SASS6	Q6UVJ0	T184	QLDFTRKTLAEKKQE	100 / 6 AA	74
Phosphosite 14:	COBL	O75128	T492	IAGEFRKTLAELDED	85 / 7 AA	136
Phosphosite 15:	SAMD3	Q8N6K7	S259	RRGQTRKSLADIRFD	71 / 7 AA	61
Phosphosite 16:	CCDC136	Q96JN2	S1016	SDLETRKSLEVVLYY	62 / 8 AA	134
Phosphosite 17:	ATAD5	Q96QE3	T1838	IPKETVNTLAADFP_	66 / 9 AA	208
Phosphosite 18:	NKX1-2	Q9UD57	S49	APREARKSLAEVEAG	71 / 7 AA	35
Phosphosite 19:	EMILIN2	Q9BXX0	T157	QFSEPRKTLSPTGTA	62 / 8 AA	116
Phosphosite 20:	PPM1H	Q9ULR3	T468	PDDPHRYTLAAQDLV	85 / 7 AA	56