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:	S449
P-Site Sequence:	EGFPGIPSPLDTAFY
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	S449	EGFPGIPSPLDTAFY	100 / 9 AA	65
Phosphosite 1:	HPX	P02790	S141	DEFPGIPSPLDAAVE	88 / 9 AA	52
Phosphosite 2:	ALOX15B	O15296	S530	QESSGIPSSLETREA	66 / 9 AA	76
Phosphosite 3:	NBEAL2	Q6ZNJ1	S1390	ASQPGTPSPLDGPRP	87 / 8 AA	303
Phosphosite 4:	ALOX15B	O15296	S531	ESSGIPSSLETREAL	75 / 8 AA	76
Phosphosite 5:	PLCE1	Q9P212	S142	CLETGIPSPLERKVF	85 / 7 AA	259
Phosphosite 6:	RTN1	Q16799	S397	SGPPTIPSPLDHEAS	87 / 8 AA	84
Phosphosite 7:	LGALS3BP	Q08380	S546	GWKAAIPSALDTNSS	66 / 9 AA	65
Phosphosite 8:	PRUNE2	Q8WUY3	S602	LGEDSVPSPLDTNYS	75 / 8 AA	34
Phosphosite 9:	PDGFRB	P09619	S1000	PGFHGLRSPLDTSSV	66 / 9 AA	124
Phosphosite 10:	PRR14	Q9BWN1	S42	LQLPGAPSPLEKASR	66 / 9 AA	64
Phosphosite 11:	STRA6	Q9BX79	S89	RGRPGLPSPVDFLAG	75 / 8 AA	74
Phosphosite 12:	UST	Q9Y2C2	T381	RPHFFIPTPLETEEP	71 / 7 AA	48
Phosphosite 13:	RERE	Q9P2R6	S717	STSPSIPSPQDNESD	66 / 9 AA	172
Phosphosite 14:	CPEB3	Q8NE35	S284	GVGVGVPSPLNPISP	71 / 7 AA	76
Phosphosite 15:	AP-2 mu2	Q96CW1	T326	KIEVRIPTPLNTSGV	71 / 7 AA	50
Phosphosite 16:	OSBPL3	Q9H4L5	S577	DKAAQIPSPLERMVY	83 / 6 AA	101
Phosphosite 17:	HLF	Q16534	S140	PLHPGIPSPNCMQSP	100 / 6 AA	33
Phosphosite 18:	NBEAL2	Q6ZNJ1	T1388	TPASQPGTPSPLDGP	85 / 7 AA	303
Phosphosite 19:	IMPDH1	P20839	S68	LKTPLISSPMDTVTE	66 / 9 AA	55
Phosphosite 20:	EpoR	P19235	S288	KIWPGIPSPESEFEG	100 / 6 AA	55