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:	MMP21
Human P-Site:	S328
P-Site Sequence:	AIQKLYGSCEGSFDT
UniProt:	Q8N119
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MMP21	Q8N119	S328	AIQKLYGSCEGSFDT	100 / 9 AA	65
Phosphosite 1:	MMP21	Q8N119	Y326	RKAIQKLYGSCEGSF	100 / 7 AA	65
Phosphosite 2:	Ret	P07949	Y791	HPHVIKLYGACSQDG	83 / 6 AA	124
Phosphosite 3:	CYGB	Q8WWM9	Y35	QAMWARLYANCEDVG	57 / 7 AA	21
Phosphosite 4:	TFPI2	P48307	Y66	QSCRQFLYGGCEGNA	83 / 6 AA	27
Phosphosite 5:	KRTAP5-4	Q6L8H1	S83	GSKGGYGSCGGSKGG	85 / 7 AA	25
Phosphosite 6:	APC	P25054	S98	MSLRSYGSREGSVSS	85 / 7 AA	312
Phosphosite 7:	cIAP2	Q13489	Y90	TEKHKKLYPSCRFVQ	83 / 6 AA	68
Phosphosite 8:	cIAP2	Q13489	S92	KHKKLYPSCRFVQSL	83 / 6 AA	68
Phosphosite 9:	KBTBD2	Q8IY47	S589	TVGKLYPSCLEESPW	83 / 6 AA	71
Phosphosite 10:	ZNF175	Q9Y473	S22	GPEKQDGSCEASVSF	66 / 9 AA	82
Phosphosite 11:	FAT2	Q9NYQ8	Y4341	SDMVESDYGSCEEVM	100 / 5 AA	479
Phosphosite 12:	TCEB1	Q15369	Y8	MDGEEKTYGGCEGPD	71 / 7 AA	12
Phosphosite 13:	KBTBD2	Q8IY47	Y587	RCTVGKLYPSCLEES	83 / 6 AA	71
Phosphosite 14:	LAP3	P28838	Y178	MAVSAKLYGSGDQEA	71 / 7 AA	56
Phosphosite 15:	THEM5	Q8N1Q8	Y215	KIEDQKLYMSCIAHS	83 / 6 AA	28
Phosphosite 16:	FGF10	O15520	S143	KKGKLYGSKEFNNDC	85 / 7 AA	23
Phosphosite 17:	SEC24D	O94855	S779	QLADLYKSCETDALI	83 / 6 AA	113
Phosphosite 18:	FGF10	O15520	Y141	MNKKGKLYGSKEFNN	85 / 7 AA	23
Phosphosite 19:	ZNF628	Q5EBL2	S379	GQAFRCGSCDGSFPQ	71 / 7 AA	110
Phosphosite 20:	LAP3	P28838	S180	VSAKLYGSGDQEAWQ	71 / 7 AA	56