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:	PRR18
Human P-Site:	S288
P-Site Sequence:	GRAGALDSRRHLSTL
UniProt:	Q8N4B5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRR18	Q8N4B5	S288	GRAGALDSRRHLSTL	100 / 9 AA	31
Phosphosite 1:	ARHGAP21	Q5T5U3	S1686	SLTSSLDSRRQLFSS	66 / 9 AA	217
Phosphosite 2:	SETD2	Q9BYW2	S1108	WEDERLESRRHLYEE	85 / 7 AA	288
Phosphosite 3:	CDKL5	O76039	S557	RNEGTLDSRRTTTRH	85 / 7 AA	116
Phosphosite 4:	ZBTB8A	Q96BR9	S397	PSDGDKDSRWHLSED	66 / 9 AA	50
Phosphosite 5:	TMEM119	Q4V9L6	S168	RPEEALDSSRQLQAD	75 / 8 AA	29
Phosphosite 6:	PCNT	O95613	S1278	MEMALDSSRQLEEAR	75 / 8 AA	378
Phosphosite 7:	TMEM119	Q4V9L6	S169	PEEALDSSRQLQADI	75 / 8 AA	29
Phosphosite 8:	PCNT	O95613	S1277	LMEMALDSSRQLEEA	75 / 8 AA	378
Phosphosite 9:	FCHSD2	O94868	S545	QSLAALDSRSHTSSN	75 / 8 AA	84
Phosphosite 10:	JAK2	O60674	S759	KPLSALDSQRKLQFY	66 / 9 AA	131
Phosphosite 11:	MRPS26	Q9BYN8	S183	RVEAALDSRKNYNWA	62 / 8 AA	24
Phosphosite 12:	RUSC1	Q9BVN2	S804	NENGALKSRRPSSWL	75 / 8 AA	96
Phosphosite 13:	UBR5	O95071	S154	SSAGARDSRRQTRVI	75 / 8 AA	309
Phosphosite 14:	DIS3	Q9Y2L1	S368	SKSDIKESRRHLFTP	83 / 6 AA	109
Phosphosite 15:	DEPDC2	Q70Z35	S964	AFGVQLDSRKHNSHD	83 / 6 AA	183
Phosphosite 16:	SmcX	P41229	S458	SGFPVSDSKRHLTPE	83 / 6 AA	176
Phosphosite 17:	ZFYVE28	Q9HCC9	S484	SSCSCLDSRLHLDGW	66 / 9 AA	96
Phosphosite 18:	STARD9	Q9P2P6	S3561	QGTQTLGSRRHWSST	62 / 8 AA	507
Phosphosite 19:	ISOC2	Q96AB3	S97	ALQQELDSRPQLRSV	62 / 8 AA	22
Phosphosite 20:	WDR74	Q6RFH5	T372	QPQGALQTRRRKKKR	62 / 8 AA	42