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:	S553
P-Site Sequence:	LFPKKFISEKWFDVC
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	S553	LFPKKFISEKWFDVC	100 / 9 AA	65
Phosphosite 1:	GNN	Q6P2S7	S1279	PGESEFISEKWLFHS	85 / 7 AA	152
Phosphosite 2:	PDIA3	P30101	S150	EEFKKFISDKDASIV	85 / 7 AA	57
Phosphosite 3:	JMY	Q8N9B5	S564	ESIKRLISEKRDEVV	62 / 8 AA	111
Phosphosite 4:	DOCK1	Q14185	S256	PVESKFISENYLVRW	62 / 8 AA	215
Phosphosite 5:	DNTT	P04053	S263	FGVGLKTSEKWFRMG	83 / 6 AA	58
Phosphosite 6:	SPIRE1	Q08AE8	S710	VDCKKFISEIISSSR	100 / 6 AA	86
Phosphosite 7:	CASC2	Q6XLA1	Y29	RTAEEKKYVSEKQLI	71 / 7 AA	12
Phosphosite 8:	ST6GALNAC5	Q9BVH7	T299	GSHHRFITEKRVFKN	57 / 7 AA	38
Phosphosite 9:	ST6GALNAC6	Q969X2	T311	GNHHRFITEKRVFSS	57 / 7 AA	38
Phosphosite 10:	APOBEC1	P41238	S72	NFIKKFTSERDFHPS	66 / 9 AA	28
Phosphosite 11:	TMC1	Q8TDI8	S128	KEAKKFVSENEGALG	71 / 7 AA	88
Phosphosite 12:	ANKZF1	Q9H8Y5	S69	LQGPMDISEKLFCST	83 / 6 AA	81
Phosphosite 13:	RASL12	Q9NYN1	S47	FLTKRFISEYDPNLE	83 / 6 AA	30
Phosphosite 14:	PLEC1	Q15149	S1475	SQYIKFISETLRRME	71 / 7 AA	532
Phosphosite 15:	FCHSD2	O94868	S113	ENYKNFISEPARTVR	83 / 6 AA	84
Phosphosite 16:	SERPINB11	Q96P15	Y129	LSCSEKWYQARLQTV	80 / 5 AA	44
Phosphosite 17:	ADAM32	Q8TC27	S173	MDDNIFISEKSEPAV	83 / 6 AA	88
Phosphosite 18:	SMPD4	Q9NXE4	S427	DSQPRCVSEKWAPFV	57 / 7 AA	93
Phosphosite 19:	CREB3L2	Q70SY1	Y115	EVESEKWYLSTDFPS	80 / 5 AA	57
Phosphosite 20:	ANKRD38	Q5T7N3	S781	RQSLNTISQEWFRVS	66 / 6 AA	107