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:	Brk (breast tumour kinase)
Human P-Site:	S21
P-Site Sequence:	VGLWDFKSRTDEELS
UniProt:	Q13882
Intern. Prot. ID:	IPI00015927

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Brk (breast tumour kinase)	Q13882	S21	VGLWDFKSRTDEELS	100 / 9 AA	52
Phosphosite 1:	Brk (breast tumour kinase)	Q13882	T23	LWDFKSRTDEELSFR	100 / 7 AA	52
Phosphosite 2:	ENO2	P09104	S263	KYDLDFKSPTDPSRY	75 / 8 AA	47
Phosphosite 3:	IRX3	P78415	S197	KMTWAPRSRTDEEGN	66 / 9 AA	52
Phosphosite 4:	ATP8B4	Q8TF62	S512	NFGFIFKSRTPETIT	66 / 9 AA	136
Phosphosite 5:	PRKAA2	P54646	S471	SYLLDFKSIDDEVVE	66 / 9 AA	62
Phosphosite 6:	DDX23	Q9BUQ8	S118	GRGKDFKSRKDRDSK	85 / 7 AA	96
Phosphosite 7:	UBQLN1	Q9UMX0	T73	SKRFKSHTDQLVLIF	71 / 7 AA	63
Phosphosite 8:	ATP8B4	Q8TF62	T514	GFIFKSRTPETITIE	85 / 7 AA	136
Phosphosite 9:	Ankyrin repeat and death domain-containing protein 1B	A6NHY2	S455	EKTRHFKSKTDSNSK	62 / 8 AA	53
Phosphosite 10:	CTCF	P49711	S287	NLDRHMKSHTDERPH	55 / 9 AA	83
Phosphosite 11:	ubiquilin 2	Q9UHD9	T69	SKRFKSQTDQLVLIF	71 / 7 AA	66
Phosphosite 12:	FOXO3	O43524	S311	DAWTDFRSRTNSNAS	71 / 7 AA	71
Phosphosite 13:	WNT4	P56705	T266	NAQFKPHTDEDLVYL	71 / 7 AA	39
Phosphosite 14:	TTN	Q8WZ42	T2005	RSKFKRRTEEGYYEA	71 / 7 AA	3816
Phosphosite 15:	ALK1	P37023	S333	IAHRDFKSRNVLVKS	71 / 7 AA	56
Phosphosite 16:	UBQLN1	Q9UMX0	S71	EISKRFKSHTDQLVL	71 / 7 AA	63
Phosphosite 17:	TTN	Q8WZ42	S493	AKEQELKSRTKEVIT	62 / 8 AA	3816
Phosphosite 18:	CNIH3	Q8TBE1	S40	ELRTDFKSPIDQCNP	62 / 8 AA	19
Phosphosite 19:	NLRP5	P59047	Y235	HGGDTWDYKSHVMTK	57 / 7 AA	134
Phosphosite 20:	STXBP5L	Q9Y2K9	S240	VVFWDLKSKRAELRV	55 / 9 AA	132