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:	EXT2
Human P-Site:	S375
P-Site Sequence:	EKMSDVYSILQSIPQ
UniProt:	Q93063
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	EXT2	Q93063	S375	EKMSDVYSILQSIPQ	100 / 9 AA	82
Phosphosite 1:	EXT2	Q93063	Y374	EEKMSDVYSILQSIP	100 / 8 AA	82
Phosphosite 2:	HISPPD1	O43314	S139	QDRREVYSILQAEGI	66 / 9 AA	140
Phosphosite 3:	HISPPD1	O43314	Y138	IQDRREVYSILQAEG	75 / 8 AA	140
Phosphosite 4:	HISPPD2A	Q6PFW1	Y149	IQDRREVYRILQEEG	62 / 8 AA	160
Phosphosite 5:	LRRC66	Q68CR7	S507	GNDGAVYSILQRHPH	66 / 9 AA	98
Phosphosite 6:	LRRC66	Q68CR7	Y506	SGNDGAVYSILQRHP	75 / 8 AA	98
Phosphosite 7:	GRIN3A	Q8TCU5	S179	PWSSDPFSFLQSVCH	66 / 9 AA	125
Phosphosite 8:	PPP2R2C	Q9Y2T4	S71	QGEYDVYSTFQSHEP	75 / 8 AA	52
Phosphosite 9:	CDH20	Q9HBT6	Y205	GNSARVVYSILQGQP	100 / 6 AA	89
Phosphosite 10:	DDX27	Q96GQ7	Y611	EKMEKDVYAVLQLEA	71 / 7 AA	90
Phosphosite 11:	SIX4	Q9UIU6	S167	GIYPELYSILESHSF	55 / 9 AA	81
Phosphosite 12:	GPD1	P21695	Y307	PETARELYSILQHKG	62 / 8 AA	38
Phosphosite 13:	CLIM1	O00151	Y197	IDKESEVYKMLQEKQ	62 / 8 AA	36
Phosphosite 14:	LBA1	O15050	S2461	KELGDVFSIIQEYKP	62 / 8 AA	284
Phosphosite 15:	PDLIM3	Q53GG5	Y234	VPPESDVYRMLHDNR	62 / 8 AA	39
Phosphosite 16:	CTDSPL	O15194	Y267	LSREDDVYSMLHRLC	71 / 7 AA
Phosphosite 17:	SR140	O15042	S479	YYRWKLYSILQGDSP	55 / 9 AA	118
Phosphosite 18:	CTDSP1	Q9GZU7	Y251	LSRVDDVYSVLRQPR	71 / 7 AA	29
Phosphosite 19:	AhR (aryl hydrocarbon receptor)	P35869	S541	SKNSDLYSIMKNLGI	55 / 9 AA	96
Phosphosite 20:	SR140	O15042	Y478	VYYRWKLYSILQGDS	62 / 8 AA	118