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:	TOP1
Human P-Site:	S21
P-Site Sequence:	ADFRLNDSHKHKDKH
UniProt:	P11387
Intern. Prot. ID:	IPI00413611

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TOP1	P11387	S21	ADFRLNDSHKHKDKH	100 / 9 AA	91
Phosphosite 1:	CYP3A4	P08684	T264	KESRLEDTQKHRVDF	55 / 9 AA	57
Phosphosite 2:	ch-TOG	Q14008	S912	LKGRLNDSNKILVQQ	85 / 7 AA	225
Phosphosite 3:	CASC3	O15234	S281	NGERLNKSHRHQGLG	75 / 8 AA	76
Phosphosite 4:	DUSP16	Q9BY84	S393	SADRLEDSNKLKRSF	66 / 9 AA	73
Phosphosite 5:	SETD2	Q9BYW2	S624	PSNRLNDSPTLKKLD	66 / 9 AA	288
Phosphosite 6:	RASGRP4	Q8TDF6	S308	AISRLKDSHAHLSPD	75 / 8 AA	75
Phosphosite 7:	ATM	Q13315	S274	TQHRLNDSLKEVIIE	85 / 7 AA	351
Phosphosite 8:	SPTAN1	Q13813	S360	RHARLNDSYRLQRFL	71 / 7 AA	285
Phosphosite 9:	GCN1L1	Q92616	S157	LLEVLGGSHKHAVDG	71 / 7 AA	293
Phosphosite 10:	ZNF114	Q8NC26	S167	YNPVLNDSQKTHENN	83 / 6 AA	48
Phosphosite 11:	SLIT3	O75094	S973	HGGTCHLSDSHKDGF	71 / 7 AA	168
Phosphosite 12:	MAN1A2	O60476	S60	AFFFLPDSSKHKRFD	75 / 8 AA	73
Phosphosite 13:	RICS	A7KAX9	S1335	TNIGLNNSHKVQGVV	83 / 6 AA	231
Phosphosite 14:	Mad1	Q05195	S214	KRIKLQDSHKACLGL	71 / 7 AA	25
Phosphosite 15:	USP16	Q9Y5T5	S598	NIEILNDSHTPGTKV	83 / 6 AA	94
Phosphosite 16:	SLIT3	O75094	S975	GTCHLSDSHKDGFSC	71 / 7 AA	168
Phosphosite 17:	NOTUM	Q6P988	S421	WDRSLHDSHKASKTP	71 / 7 AA	56
Phosphosite 18:	ADAT1	Q9BUB4	S86	NGDILNDSHAEVIAR	83 / 6 AA	55
Phosphosite 19:	GLYATL1	Q969I3	S7	_MILLNNSHKLLALY	83 / 6 AA	35
Phosphosite 20:	SFRS18	Q8TF01	S653	RGNLSGNSHKHKGEA	83 / 6 AA	93