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:	S907
P-Site Sequence:	QKKGASQSFSKAARL
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	S907	QKKGASQSFSKAARL	100 / 9 AA	183
Phosphosite 1:	KIF21B	O75037	S909	KGASQSFSKAARLKW	100 / 7 AA	183
Phosphosite 2:	KIF21B	O75037	S905	KFQKKGASQSFSKAA	100 / 7 AA	183
Phosphosite 3:	H1R	P35367	S357	QMLGDSQSFSRTDSD	66 / 9 AA	56
Phosphosite 4:	Thsd4	Q6ZMP0	S279	GTHGATQSFSQPARS	66 / 9 AA	112
Phosphosite 5:	Thsd4	Q6ZMP0	T277	GVGTHGATQSFSQPA	85 / 7 AA	112
Phosphosite 6:	COG3	Q96JB2	S598	SLLGASESISKNKTQ	75 / 8 AA	94
Phosphosite 7:	RPA1	P27694	T164	KAYGASKTFGKAAGP	66 / 9 AA	68
Phosphosite 8:	ARFGEF2	Q9Y6D5	S1623	DCLQESHSFSKAFNS	75 / 8 AA	202
Phosphosite 9:	HMGCLL1	Q8TB92	S178	VFGAASESFSKKNIN	75 / 8 AA	40
Phosphosite 10:	GOLGB1	Q14789	S2833	DSYNQVQSFSKAMAS	100 / 6 AA	376
Phosphosite 11:	ARFGEF2	Q9Y6D5	S1625	LQESHSFSKAFNSNY	85 / 7 AA	202
Phosphosite 12:	COBLL1	Q53SF7	S1076	VKRSQSFSKERTESP	85 / 7 AA	132
Phosphosite 13:	COBLL1	Q53SF7	S1074	AVVKRSQSFSKERTE	85 / 7 AA	132
Phosphosite 14:	ZNF57	Q68EA5	S536	QKSHECQSYSKAFSC	62 / 8 AA	125
Phosphosite 15:	H1R	P35367	S355	EDQMLGDSQSFSRTD	85 / 7 AA	56
Phosphosite 16:	TTC25	Q96NG3	S35	EFSKAAQSFSNALYL	75 / 8 AA	77
Phosphosite 17:	ATXN2	Q99700	S774	KPNETSPSFSKAENK	75 / 8 AA	140
Phosphosite 18:	WWC2	Q6AWC2	S616	DSGGASQSLSEDKDL	85 / 7 AA	134
Phosphosite 19:	ZNF57	Q68EA5	Y537	KSHECQSYSKAFSCQ	62 / 8 AA	125
Phosphosite 20:	KIAA0495	Q9UF72	S106	PSEQTSQSFSEASHR	75 / 8 AA	21