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:	KIF21A
Human P-Site:	S874
P-Site Sequence:	AAVETDASRTGAQQK
UniProt:	Q7Z4S6
Intern. Prot. ID:	IPI00425404

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	KIF21A	Q7Z4S6	S874	AAVETDASRTGAQQK	100 / 9 AA	187
Phosphosite 1:	KIAA0423	Q9Y4F4	S36	SAPETDDSRVGGIMR	66 / 9 AA	189
Phosphosite 2:	DDEFL1	Q8TDY4	S888	GITEGDGSRTGSLPA	66 / 9 AA	99
Phosphosite 3:	PI5PA	Q15735	T529	RDVQTDCTRTGLGGY	62 / 8 AA	107
Phosphosite 4:	PLCL1	Q15111	S621	SFSETEASRIANEYP	62 / 8 AA	123
Phosphosite 5:	TNFRSF11A	Q9Y6Q6	S485	LPPEEEASRTEARDQ	66 / 9 AA	66
Phosphosite 6:	FAM160A1	Q05DH4	S963	KDPIQEASRTGSGKN	71 / 7 AA	117
Phosphosite 7:	PLCL1	Q15111	T618	EMCSFSETEASRIAN	83 / 6 AA	123
Phosphosite 8:	FAM160A1	Q05DH4	T965	PIQEASRTGSGKNLL	71 / 7 AA	117
Phosphosite 9:	RSPH4A	Q5TD94	T424	IPKEESRTGANKYVY	71 / 7 AA	81
Phosphosite 10:	HYPK	Q9NX55	S13	LPPASRASRTGAERR	100 / 6 AA	19
Phosphosite 11:	ATP5G3	P48201	T38	SRPEASRTGEGSTVF	83 / 6 AA	15
Phosphosite 12:	CCDC160	A6NGH7	S197	QETETDASKSDYELQ	62 / 8 AA	38
Phosphosite 13:	FAM48B1	Q3ZLR7	T399	CLRPGSETDAGRAVS	83 / 6 AA	89
Phosphosite 14:	FAM48B2	P0C7V6	T399	CLRPGSETDAGRAVS	83 / 6 AA	88
Phosphosite 15:	TDRD6	O60522	S649	VIEILDESRTGEENI	83 / 6 AA	237
Phosphosite 16:	BRF1	Q92994	S578	SRRRTPASRSGADPV	75 / 8 AA	74
Phosphosite 17:	TTN	Q8WZ42	S6322	NLYSVDASKTGQYTC	83 / 6 AA	3816
Phosphosite 18:	TTN	Q8WZ42	T6324	YSVDASKTGQYTCHV	83 / 6 AA	3816
Phosphosite 19:	SMPDL3B	Q92485	S225	EDVLTDASKAGDMVY	71 / 7 AA	51
Phosphosite 20:	C1orf147	Q96MC9	S30	APQRTEASRTHPSPF	83 / 6 AA	30