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:	PC4
Human P-Site:	S9
P-Site Sequence:	PKSKELVSSSSSGSD
UniProt:	P53999
Intern. Prot. ID:	IPI00221222

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PC4	P53999	S9	PKSKELVSSSSSGSD	100 / 9 AA	14
Phosphosite 1:	TDRD6	O60522	S355	YGRKELVSCSSLRYL	87 / 8 AA	237
Phosphosite 2:	PC4	P53999	S10	KSKELVSSSSSGSDS	100 / 8 AA	14
Phosphosite 3:	CDC42EP4	Q9H3Q1	S9	PILKQLVSSSVHSKR	85 / 7 AA	38
Phosphosite 4:	MKX	Q8IYA7	S265	EFEEELVSPSSSETE	87 / 8 AA	39
Phosphosite 5:	KCTD8	Q6ZWB6	S22	PISEMVSSSSSPGAS	87 / 8 AA	52
Phosphosite 6:	KCTD8	Q6ZWB6	S21	LPISEMVSSSSSPGA	87 / 8 AA	52
Phosphosite 7:	M6PRBP1	O60664	S126	ADTKELVSSKVSGAQ	100 / 6 AA	47
Phosphosite 8:	C18orf55	Q9BVV7	S134	TIFKELFSSSSPSKI	77 / 9 AA	28
Phosphosite 9:	piccolo	Q9Y6V0	S714	KPTTDLVSSSSATTK	75 / 8 AA	567
Phosphosite 10:	PPP4R2	Q9NY27	S386	ETEELVGSNSSKTGE	75 / 8 AA	47
Phosphosite 11:	BRCA2	P51587	T1815	ICVEELVTSSSPCKN	75 / 8 AA	384
Phosphosite 12:	piccolo	Q9Y6V0	S715	PTTDLVSSSSATTKP	85 / 7 AA	567
Phosphosite 13:	BRCA2	P51587	S1816	CVEELVTSSSPCKNK	75 / 8 AA	384
Phosphosite 14:	GR6	O15544	S18	RCSELVSSTSLPRLS	85 / 7 AA	16
Phosphosite 15:	FRAP1	P42345	S77	HIFELVSSSDANERK	100 / 6 AA	289
Phosphosite 16:	RPGRIP1	Q96KN7	S198	SKPSELVSGSNSIIS	75 / 8 AA	147
Phosphosite 17:	FRAP1	P42345	S76	HHIFELVSSSDANER	100 / 6 AA	289
Phosphosite 18:	ARHGAP6	O43182	S329	RQNKELSSSNSSLSS	77 / 9 AA	106
Phosphosite 19:	RP1	P56715	S1688	GSSEQVSSSSSMLQE	87 / 8 AA	241
Phosphosite 20:	KIAA1731	Q9C0D2	S1098	DSKSGLVSSSSSPVV	87 / 8 AA	295