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:	S621
P-Site Sequence:	SEESLVDSDSDPEEK
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	S621	SEESLVDSDSDPEEK	100 / 9 AA	183
Phosphosite 1:	KIF21B	O75037	S623	ESLVDSDSDPEEKEV	100 / 7 AA	183
Phosphosite 2:	PPFIA2	O75334	S565	SVGSLVDSQSDYRTT	87 / 8 AA	143
Phosphosite 3:	NAV1	Q8NEY1	S1701	LRRKLVESDSDINAN	85 / 7 AA	202
Phosphosite 4:	POU4F1	Q01851	S262	GLASICDSDTDPREL	66 / 9 AA	43
Phosphosite 5:	TXNDC3	Q8N427	S138	PEIPLVDSDSEVSEE	85 / 7 AA	67
Phosphosite 6:	PKCZ	Q05513	S63	LTLKWVDSEGDPCTV	62 / 8 AA	68
Phosphosite 7:	NOP14	P78316	S146	KHNDIVDSDSDAEDR	75 / 8 AA	98
Phosphosite 8:	PROS1	P07225	S542	FAVSLVDSTSEKSQD	75 / 8 AA	75
Phosphosite 9:	ZNF294	O94822	S63	EIDSLVDSDFRMVLR	100 / 6 AA	201
Phosphosite 10:	REXO1	Q8N1G1	S610	EKEVDFDSDPMEECL	85 / 7 AA	132
Phosphosite 11:	ZFPM2	Q8WW38	S682	VPLVDGESDPNKTTC	71 / 7 AA	128
Phosphosite 12:	ITPR1	Q14643	S2694	RAMSLVSSDSEGEQN	75 / 8 AA	314
Phosphosite 13:	STEAP3	Q658P3	S17	ISLHLVDSDSSLAKV	100 / 6 AA	55
Phosphosite 14:	HISPPD1	O43314	S607	NMNGLLDSDSDSLSS	66 / 9 AA	140
Phosphosite 15:	USP42	Q9H9J4	S667	ANSADSDSDPKENGL	85 / 7 AA	146
Phosphosite 16:	USP45	Q70EL2	S505	ESNVDADSEPSESES	71 / 7 AA	92
Phosphosite 17:	CAPS2	Q9BXY5	S75	DLGSLVDSDDEDNFS	75 / 8 AA	64
Phosphosite 18:	USP42	Q9H9J4	S665	NGANSADSDSDPKEN	85 / 7 AA	146
Phosphosite 19:	BPTF	Q12830	S1131	DVKELLDSDSDKPCK	85 / 7 AA	338
Phosphosite 20:	DHRS3	O75911	S135	HGKSLMDSDDDALLK	66 / 9 AA	34