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:	KIF21B
Human P-Site:	S851
P-Site Sequence:	LDSGAEVSASTTSSE
UniProt:	O75037
Intern. Prot. ID:	IPI00397809

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KIF21B	O75037	S851	LDSGAEVSASTTSSE	100 / 9 AA	183
Phosphosite 1:	BTN3A3	O00478	S565	AHPGAEVSPSATTNQ	77 / 9 AA	65
Phosphosite 2:	KIF21B	O75037	S853	SGAEVSASTTSSEAE	100 / 7 AA	183
Phosphosite 3:	SYNJ1	O43426	S602	LNAGNIVSASTTNQK	77 / 9 AA	173
Phosphosite 4:	SLC25A26	Q70HW3	S119	VKQRAQVSASTRTFQ	85 / 7 AA	29
Phosphosite 5:	KIAA1383	Q9P2G4	S208	TGGGAEVSPQTQQER	75 / 8 AA	100
Phosphosite 6:	C17orf54	Q8N7U9	S67	EKHGNEVSGSTSREV	66 / 9 AA	16
Phosphosite 7:	FRMPD3	Q5JV73	S1064	HQLGAEVSSSPRAPT	85 / 7 AA	199
Phosphosite 8:	MUC4	Q99102	S1558	SRNGSEVSASFDGWA	85 / 7 AA	232
Phosphosite 9:	SPTBN1	Q01082	S2314	SSDKHEVSASTQSTP	100 / 6 AA	275
Phosphosite 10:	NIPBL	Q6KC79	S2642	EEGEVSASTNARNKA	100 / 6 AA	316
Phosphosite 11:	NIPBL	Q6KC79	S2640	EEEEGEVSASTNARN	85 / 7 AA	316
Phosphosite 12:	VWA3A	A6NCI4	S229	DPMEVSASTLQELKL	100 / 6 AA	134
Phosphosite 13:	SPTBN1	Q01082	S2316	DKHEVSASTQSTPAS	100 / 6 AA	275
Phosphosite 14:	Peregrin	P55201	S171	HHHNVSASTTPKLPE	85 / 7 AA	138
Phosphosite 15:	C6orf81	Q5T9G4	S105	YLLEAEASACTTDDI	75 / 8 AA	39
Phosphosite 16:	ISM2	Q6H9L7	S49	LTRLAEVSASPDPRP	100 / 6 AA	64
Phosphosite 17:	SYNJ1	O43426	S604	AGNIVSASTTNQKLW	100 / 6 AA	173
Phosphosite 18:	TCOF1	Q13428	S164	PRKSAEPSANTTLVS	66 / 9 AA	152
Phosphosite 19:	VCAN	P13611	S601	LEDLESVSASTTVSP	100 / 6 AA	373
Phosphosite 20:	BBX	Q8WY36	S252	LFQFAEISSSTSHSD	62 / 8 AA	105