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:	MEKK4
Human P-Site:	S87
P-Site Sequence:	LYGTSPPSTPRQMKR
UniProt:	Q9Y6R4
Intern. Prot. ID:	IPI00186536

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MEKK4	Q9Y6R4	S87	LYGTSPPSTPRQMKR	100 / 9 AA	182
Phosphosite 1:	MEKK4	Q9Y6R4	T88	YGTSPPSTPRQMKRM	100 / 8 AA	182
Phosphosite 2:	PPFIA1	Q13136	S744	KCETSPPSSPRALRL	87 / 8 AA	136
Phosphosite 3:	liprin alpha 4	O75335	S219	KCETSPPSSPRTLRL	87 / 8 AA	78
Phosphosite 4:	ATG9B	Q674R7	S888	SDGSSPASSPRQQWG	66 / 9 AA	101
Phosphosite 5:	PANX2	Q96RD6	S627	TLSSSPPSTSRERS_	66 / 9 AA	74
Phosphosite 6:	PTCH1	Q13635	S1280	ESRHHPPSNPRQQPH	85 / 7 AA	161
Phosphosite 7:	PCDHA12	Q9UN75	S788	EDCLNPPSEPRQPNP	75 / 8 AA	102
Phosphosite 8:	PANX2	Q96RD6	T628	LSSSPPSTSRERS__	75 / 8 AA	74
Phosphosite 9:	ATG9B	Q674R7	S889	DGSSPASSPRQQWGT	75 / 8 AA	101
Phosphosite 10:	LTBP4	Q8N2S1	T1170	PLPRRPSTPRQGPVG	100 / 6 AA	173
Phosphosite 11:	BRD1	O95696	S131	IVEYSPPSAPRRPPV	75 / 8 AA	120
Phosphosite 12:	LTBP4	Q8N2S1	S1169	PPLPRRPSTPRQGPV	100 / 6 AA	173
Phosphosite 13:	PCYT1B	Q9Y5K3	S349	PLKTSPPSSPKAASA	75 / 8 AA	42
Phosphosite 14:	PIGK	Q92643	T143	TGRIPPSTPRSKRLL	100 / 6 AA
Phosphosite 15:	CCDC80	Q76M96	T347	ALPQPPSTPRATTLP	100 / 6 AA	108
Phosphosite 16:	Putative uncharacterized protein FLJ41591	Q6ZW54	S63	LGSVSAPSTPRGRGW	75 / 8 AA	16
Phosphosite 17:	ZNF469	Q96JG9	S200	STNYTSPSATPRPPA	75 / 8 AA	259
Phosphosite 18:	PPFIA1	Q13136	S745	CETSPPSSPRALRLD	85 / 7 AA	136
Phosphosite 19:	R-Ras	P10301	S204	ELPPSPPSAPRKKGG	75 / 8 AA	23
Phosphosite 20:	ATXN1	P54253	S91	GLDYSPPSAPRSVPV	85 / 7 AA	87