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:	MEKK3
Human P-Site:	S243
P-Site Sequence:	DSPSFRKSRMSRAQS
UniProt:	Q99759
Intern. Prot. ID:	IPI00181703

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MEKK3	Q99759	S243	DSPSFRKSRMSRAQS	100 / 9 AA	71
Phosphosite 1:	MEKK2	Q9Y2U5	S232	DGESYPKSRMPRAQS	66 / 9 AA	70
Phosphosite 2:	SGK071	Q8NE28	S200	EEDPFRKSWMAPEAL	62 / 8 AA	76
Phosphosite 3:	DMP1	Q13316	S271	SRKIFRKSRISEEDD	85 / 7 AA	56
Phosphosite 4:	FSIP2	Q5CZC0	S755	VNESFQKSRQPRISS	66 / 9 AA	370
Phosphosite 5:	DENND2C	Q68D51	S855	QREPFRKSHTSRSVR	66 / 9 AA	107
Phosphosite 6:	PDE4D	Q08499	S139	HRPGLKKSRMSWPSS	55 / 9 AA	91
Phosphosite 7:	NAP5	O14513	S1515	SWFGFRKSRLPALSS	62 / 8 AA	209
Phosphosite 8:	PDE4C	Q08493	S70	PRPELRKSRLSWPVS	62 / 8 AA	80
Phosphosite 9:	MEKK3	Q99759	S246	SFRKSRMSRAQSFPD	100 / 6 AA	71
Phosphosite 10:	UBR5	O95071	S286	GYPSFRRSSLSRLGS	66 / 9 AA	309
Phosphosite 11:	IKKe	Q14164	S560	IYKQFKKSRMRPGLG	83 / 6 AA	80
Phosphosite 12:	MRPS33	Q9Y291	S12	SEYAFRMSRLSARLF	62 / 8 AA	13
Phosphosite 13:	MLK1	P80192	S508	RKGKFRKSRLKLKDG	83 / 6 AA	122
Phosphosite 14:	SMG8	Q8ND04	S315	IYRIFRKSRVLTNQS	83 / 6 AA	110
Phosphosite 15:	TNK2	Q07912	S74	KALCKRKSWMSKVFS	71 / 7 AA	115
Phosphosite 16:	GRLF1	Q9NRY4	S849	SSFSIRKSRLVHGYI	71 / 7 AA	172
Phosphosite 17:	Uncharacterized protein LP9056	Q9H9K5	S515	YVRVFRKSRRSLNSQ	85 / 7 AA	64
Phosphosite 18:	NAV2	Q8IVL1	S1611	DSRFRNSSMSLDEKS	71 / 7 AA	268
Phosphosite 19:	TTN	Q8WZ42	S32419	LLVKERKSRMTASEA	83 / 6 AA	3816
Phosphosite 20:	LYST	Q99698	S143	KVNVFRKSRRQRKIT	75 / 8 AA	429