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:	COMP
Human P-Site:	T536
P-Site Sequence:	TDFRAFQTVVLDPEG
UniProt:	P49747
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COMP	P49747	T536	TDFRAFQTVVLDPEG	100 / 9 AA	83
Phosphosite 1:	HCN4	Q9Y3Q4	T705	MMRRAFETVALDRLD	77 / 9 AA	129
Phosphosite 2:	Hcn2	Q9UL51	T654	MMRRAFETVAIDRLD	66 / 9 AA	97
Phosphosite 3:	HCN1	O60741	T585	MMRRAFETVAIDRLD	66 / 9 AA	99
Phosphosite 4:	C9orf131	Q5VYM1	S428	GNLWAFESPVLDLNP	55 / 9 AA	118
Phosphosite 5:	CTCF	P49711	T305	LCGRAFRTVTLLRNH	75 / 8 AA	83
Phosphosite 6:	ZNF347	Q96SE7	T115	NTGEVFQTVMLERQE	71 / 7 AA	96
Phosphosite 7:	WDFY3	Q8IZQ1	Y2008	QQKEFQTYILDSVMD	62 / 8 AA	395
Phosphosite 8:	ZNF616	Q08AN1	T71	NTGERFQTVALERHQ	71 / 7 AA	90
Phosphosite 9:	CCM2	Q9BSQ5	T44	TERRPLHTVVLSLPE	62 / 8 AA	49
Phosphosite 10:	CIZ1	Q9ULV3	S562	GSDSRAFSTVPLTPV	75 / 8 AA	100
Phosphosite 11:	CIZ1	Q9ULV3	T563	SDSRAFSTVPLTPVP	75 / 8 AA	100
Phosphosite 12:	KIAA1671	Q9BY89	S606	VTPEDDRSFQTVWAT	83 / 6 AA	197
Phosphosite 13:	KLHL18	O94889	T378	SKRSAMGTVVLDGQI	66 / 9 AA	64
Phosphosite 14:	SEMA3D	O95025	T72	SEGLDFQTLLLDEER	71 / 7 AA	90
Phosphosite 15:	KIAA1671	Q9BY89	T609	EDDRSFQTVWATVFE	83 / 6 AA	197
Phosphosite 16:	PPIL4	Q8WUA2	T159	QDIRINHTVILDDPF	55 / 9 AA	57
Phosphosite 17:	SALL4	Q9UJQ4	T350	LFQSPFSTVALDTSK	55 / 9 AA	112
Phosphosite 18:	MDM1	Q8TC05	T699	SSLRAFQTLARAKKR	71 / 7 AA	81
Phosphosite 19:	ZNF252	Q8WUN3	Y134	FQLGERAYQTDVLVK	71 / 7 AA	79
Phosphosite 20:	ACAD11	Q709F0	Y67	LQKGFQTYVLRKKPP	71 / 7 AA	87