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:	KRT4
Human P-Site:	S309
P-Site Sequence:	SDTSVVLSMDNNRNL
UniProt:	P19013
Intern. Prot. ID:	IPI00290078

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KRT4	P19013	S309	SDTSVVLSMDNNRNL	100 / 9 AA	57
Phosphosite 1:	KRT78	Q8N1N4	S269	SDTSVVLSMDNNRYL	100 / 9 AA	57
Phosphosite 2:	KRT76	Q01546	S341	SDTSVVLSMDNNRCL	100 / 9 AA	66
Phosphosite 3:	Cytokeratin 6E	P48668	S321	SDTSVVLSMDNNRNL	100 / 9 AA	60
Phosphosite 4:	K5	P13647	S326	SDTSVVLSMDNNRNL	100 / 9 AA	62
Phosphosite 5:	K3	P12035	S358	SDTSVVLSMDNNRSL	100 / 9 AA	64
Phosphosite 6:	KRT6B	P04259	S321	SDTSVVLSMDNNRNL	100 / 9 AA	60
Phosphosite 7:	K6a	P02538	S321	SDTSVVLSMDNNRNL	100 / 9 AA	60
Phosphosite 8:	KRT75	O95678	S307	GDTSVVLSMDNNRNL	100 / 9 AA	60
Phosphosite 9:	KRT74	Q7RTS7	S298	SETSVILSMDNNRDL	88 / 9 AA	58
Phosphosite 10:	KRT71	Q3SY84	S288	SDMSVILSMDNNRNL	88 / 9 AA	57
Phosphosite 11:	KRT72	Q14CN4	S283	SDTSIVLSMDNNRDL	88 / 9 AA	56
Phosphosite 12:	K6IRS3	Q86Y46	S290	SDTSIILSMDNNRNL	77 / 9 AA	59
Phosphosite 13:	KRT7	P08729	S248	SDTSVVLSMDNSRSL	88 / 9 AA	51
Phosphosite 14:	KRT8	P05787	S247	SDTSVVLSMDNSRSL	88 / 9 AA	54
Phosphosite 15:	K77	Q7Z794	S321	SDTNVILSMDNNRSL	77 / 9 AA	62
Phosphosite 16:	KRT1	P04264	S338	SETNVILSMDNNRSL	77 / 9 AA	66
Phosphosite 17:	K2	P35908	S336	TDTNVILSMDNSRNL	85 / 7 AA	65
Phosphosite 18:	PLCZ1	Q86YW0	S247	SDYPVVLSLENHCST	55 / 9 AA	70
Phosphosite 19:	KIAA0100	Q14667	S291	ENTSVVLSMNSQKRH	75 / 8 AA	254
Phosphosite 20:	PDGFRA	P16234	S724	TRSYVILSFENNGDY	62 / 8 AA	123