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:	CDK4
Human P-Site:	T19
P-Site Sequence:	IGVGAYGTVYKARDP
UniProt:	P11802
Intern. Prot. ID:	IPI00007811

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK4	P11802	T19	IGVGAYGTVYKARDP	100 / 9 AA	34
Phosphosite 1:	CDK5	Q00535	T17	IGEGTYGTVFKAKNR	77 / 9 AA	33
Phosphosite 2:	ERBB4	Q15303	T731	LGSGAFGTVYKGIWV	77 / 9 AA	147
Phosphosite 3:	ERBB2	P04626	T733	LGSGAFGTVYKGIWI	77 / 9 AA	138
Phosphosite 4:	EGF receptor	P00533	T725	LGSGAFGTVYKGLWI	77 / 9 AA	134
Phosphosite 5:	STK4	Q13043	S43	LGEGSYGSVYKAIHK	77 / 9 AA	56
Phosphosite 6:	ULK3	Q6PHR2	T27	LGSGTYATVYKAYAK	77 / 9 AA	24
Phosphosite 7:	CDK4	P11802	Y21	VGAYGTVYKARDPHS	100 / 7 AA	34
Phosphosite 8:	MST2	Q13188	S40	LGEGSYGSVFKAIHK	66 / 9 AA	56
Phosphosite 9:	BRAF	P15056	T470	IGSGSFGTVYKGKWH	66 / 9 AA	84
Phosphosite 10:	Raf1	P04049	T362	IGSGSFGTVYKGKWH	66 / 9 AA	73
Phosphosite 11:	Mos	P00540	S73	LGAGGFGSVYKATYR	66 / 9 AA	38
Phosphosite 12:	WEE2	P0C1S8	T225	IGVGEFGTVYKCIKR	75 / 8 AA	63
Phosphosite 13:	CDK4	P11802	Y17	AEIGVGAYGTVYKAR	100 / 7 AA	34
Phosphosite 14:	Sin3A	Q96ST3	T1268	KYRVKYGTVFKAP__	85 / 7 AA	145
Phosphosite 15:	CDK7	P50613	T25	LGEGQFATVYKARDK	66 / 9 AA	39
Phosphosite 16:	STK4	Q13043	Y45	EGSYGSVYKAIHKET	85 / 7 AA	56
Phosphosite 17:	TSSK4	Q6SA08	S38	IGHGSYGSVYEAFYT	66 / 9 AA	37
Phosphosite 18:	PFTAIRE1	O94921	T148	LGEGSYATVYKGKSK	75 / 8 AA	53
Phosphosite 19:	PCTAIRE2	Q00537	T205	LGEGTYATVYKGRSK	75 / 8 AA	60
Phosphosite 20:	PCTAIRE1	Q00536	T178	LGEGTYATVYKGKSK	75 / 8 AA	56