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:	S26
P-Site Sequence:	ALENNRRSAACKRSP
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	S26	ALENNRRSAACKRSP	100 / 9 AA	77
Phosphosite 1:	ITIH4	Q14624	S810	VTRNRRSSAYKWKET	75 / 8 AA	103
Phosphosite 2:	ITIH4	Q14624	S809	VVTRNRRSSAYKWKE	75 / 8 AA	103
Phosphosite 3:	RGL2	O15211	S617	PSRGHRRSASCGSPL	62 / 8 AA	84
Phosphosite 4:	C9orf41	Q8N4J0	S266	QFSNNRRSADQIRPI	100 / 6 AA	47
Phosphosite 5:	SCRIB	Q14160	S493	RSIEGRRSEACPCQP	62 / 8 AA	175
Phosphosite 6:	FBLN1	P23142	S563	CPENYRRSAATLQQE	85 / 7 AA	77
Phosphosite 7:	PMFBP1	Q8TBY8	S743	YDALSRKSAACQDDL	62 / 8 AA	119
Phosphosite 8:	SMCHD1	A6NHR9	S1914	DLLQQYRSAVCKLDS	83 / 6 AA	226
Phosphosite 9:	SPDYE3	A6NKU9	S47	DPSPPRRSLGCKRKR	71 / 7 AA	64
Phosphosite 10:	PRSS33	Q8NF86	S25	AGTQGRKSAACGQPR	71 / 7 AA	30
Phosphosite 11:	NRIP2	Q9BQI9	S185	GTQYNRISAGCLSRL	62 / 8 AA	31
Phosphosite 12:	RGL2	O15211	S619	RGHRRSASCGSPLSG	83 / 6 AA	84
Phosphosite 13:	ATG2A	Q2TAZ0	S575	PKSRPRRSVACHCHS	83 / 6 AA	213
Phosphosite 14:	PION	A4D1B5	S565	EKTGKRRSAAYVRNI	62 / 8 AA	98
Phosphosite 15:	NKTR	P30414	S1433	GRSYNRRSRSCRSYG	55 / 9 AA	166
Phosphosite 16:	MPO	P05164	S185	GMCNNRRSPTLGASN	71 / 7 AA	84
Phosphosite 17:	PDP1	Q9P0J1	S128	APIEDRRSAATCLQT	71 / 7 AA	61
Phosphosite 18:	LKB1	Q15831	S428	SSKIRRLSACKQQ__	71 / 7 AA	49
Phosphosite 19:	TMEM125	Q96AQ2	S34	WSQQPRRSALCFVVA	83 / 6 AA	22
Phosphosite 20:	RapGEF1	Q13905	S463	LPEKKRRSAASQTAD	62 / 8 AA	121