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:	S1222
P-Site Sequence:	SPLTRRKSYDRGQPI
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	S1222	SPLTRRKSYDRGQPI	100 / 9 AA	183
Phosphosite 1:	KIF21B	O75037	Y1223	PLTRRKSYDRGQPIR	100 / 8 AA	183
Phosphosite 2:	USP50	Q70EL3	S161	YHYSRRRSYEKGSTQ	55 / 9 AA	39
Phosphosite 3:	RNF123	Q5XPI4	Y486	ERLRRRAYERGCQRL	62 / 8 AA	148
Phosphosite 4:	NBR1	Q14596	S869	LVNSRQKSYDHSRHH	55 / 9 AA	107
Phosphosite 5:	TRIM29	Q14134	S152	PGETRRNSYPRADTG	66 / 9 AA	66
Phosphosite 6:	USP50	Q70EL3	Y162	HYSRRRSYEKGSTQR	62 / 8 AA	39
Phosphosite 7:	C20orf94	Q5VYV7	Y404	PTKKRKKYERGH___	62 / 8 AA	46
Phosphosite 8:	ARIH2	O95376	S466	WKVERADSYDRGDLE	75 / 8 AA	58
Phosphosite 9:	TRA2B	P62995	Y222	SSRRRDYYDRGYDRG	75 / 8 AA	34
Phosphosite 10:	ARIH2	O95376	Y467	KVERADSYDRGDLEN	75 / 8 AA	58
Phosphosite 11:	RP5-1077B9.4	Q5JXC2	S303	YHIHRRKSFDASDTL	83 / 6 AA	43
Phosphosite 12:	KTELC1	Q8NBL1	Y380	NVTRRKGYDQIIPKM	71 / 7 AA	46
Phosphosite 13:	CDHR2	Q9BYE9	Y1181	FVCVRKSYNRKLQAM	83 / 6 AA	142
Phosphosite 14:	NMD3	Q96D46	S407	DVVLIKKSYDRTKRQ	83 / 6 AA	58
Phosphosite 15:	NBR1	Q14596	Y870	VNSRQKSYDHSRHHH	62 / 8 AA	107
Phosphosite 16:	TACC2	O95359	S2072	KVNTRRKSTDSVPIS	85 / 7 AA	309
Phosphosite 17:	TRA2B	P62995	Y221	GSSRRRDYYDRGYDR	75 / 8 AA	34
Phosphosite 18:	CDHR2	Q9BYE9	S1180	AFVCVRKSYNRKLQA	83 / 6 AA	142
Phosphosite 19:	NMD3	Q96D46	Y408	VVLIKKSYDRTKRQR	83 / 6 AA	58
Phosphosite 20:	ANTXR1	Q9H6X2	Y465	WVLLRKGYDRVSVMR	83 / 6 AA	63