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:	EXTL1
Human P-Site:	S420
P-Site Sequence:	SRPEGRFSALIWVGP
UniProt:	Q92935
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXTL1	Q92935	S420	SRPEGRFSALIWVGP	100 / 9 AA	75
Phosphosite 1:	ANKLE2	Q86XL3	S326	KGEEDTFSDLIWSNP	66 / 9 AA	104
Phosphosite 2:	PCNX	Q96RV3	S641	QSPEGRYSALKTKHT	85 / 7 AA	259
Phosphosite 3:	IL16	Q14005	S884	KHEEGRFSGLLGRGA	75 / 8 AA	142
Phosphosite 4:	ZNF345	Q14585	S36	GSQEGHFSEMIFTPE	55 / 9 AA	55
Phosphosite 5:	ANKRD11	Q6UB99	S1940	PLDEGPFSAVITEEP	75 / 8 AA	298
Phosphosite 6:	GIP	P09681	S29	EKKEGHFSALPSLPV	85 / 7 AA	17
Phosphosite 7:	USO1	O60763	S851	TDVEGRLSALLQETK	75 / 8 AA	108
Phosphosite 8:	DOCK11	Q5JSL3	S549	LDLDGRFSPLYKQDS	71 / 7 AA	238
Phosphosite 9:	PLEKHF1	Q96S99	S167	RCTQTRFSALTRRHH	55 / 9 AA	31
Phosphosite 10:	GLIS2	Q9BZE0	S74	EKVEGRFSAAPLVDL	100 / 6 AA	56
Phosphosite 11:	ST6GAL2	Q96JF0	S272	DGTEAPFSALGWRRL	66 / 9 AA	60
Phosphosite 12:	SPTBN1	Q01082	S2074	ATWDERFSALERLTT	55 / 9 AA	275
Phosphosite 13:	ZADH2	Q8N4Q0	T344	LSPEGRFTGLESIFR	55 / 9 AA	40
Phosphosite 14:	TG	P01266	T1400	KDLLGRFTDLIQSGS	71 / 7 AA	305
Phosphosite 15:	KIAA0323	O15037	S214	ASWEGRSSALLGAQC	75 / 8 AA	74
Phosphosite 16:	OTUD7A	Q8TE49	S369	AYDQAHFSALVSMEQ	44 / 9 AA	101
Phosphosite 17:	HFE2	Q6ZVN8	S155	CDYEGRFSRLHGRPP	85 / 7 AA	45
Phosphosite 18:	Cezanne	Q6GQQ9	S360	AYDQAHFSALVSMEQ	44 / 9 AA	93
Phosphosite 19:	FAM129A	Q9BZQ8	S188	AADQKRFSALLSDCV	55 / 9 AA	103
Phosphosite 20:	DPPA4	Q7L190	S266	EKQEGRVSALFLLPA	66 / 9 AA	34