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:	Btk
Human P-Site:	S174
P-Site Sequence:	ILENRNGSLKPGSSH
UniProt:	Q06187
Intern. Prot. ID:	IPI00029132

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Btk	Q06187	S174	ILENRNGSLKPGSSH	100 / 9 AA	76
Phosphosite 1:	CBS	P35520	T135	EDAERDGTLKPGDTI	66 / 9 AA
Phosphosite 2:	smMLCK	Q15746	S848	GGSDRYGSLRPGWPA	66 / 9 AA	211
Phosphosite 3:	MPDZ	O75970	T1201	SPAGKNGTLKPGDRI	75 / 8 AA	219
Phosphosite 4:	GRIP2	Q9C0E4	S192	GPADREGSLKVGDRL	66 / 9 AA	113
Phosphosite 5:	TRIP6	Q15654	S135	PPAYRTGSLKPNPAS	75 / 8 AA	50
Phosphosite 6:	VPS13D	Q5THJ4	T3205	KGMPINGTLKPGKEA	85 / 7 AA	492
Phosphosite 7:	TRAD	O60229	S2163	SELLRKGSLTPGYMF	75 / 8 AA	340
Phosphosite 8:	KIAA1328	Q86T90	S246	LIAFRNNSLKPVTLH	85 / 7 AA	65
Phosphosite 9:	LIX1L	Q8IVB5	S245	QLLHWNGSLKAMRER	62 / 8 AA	37
Phosphosite 10:	LIX1	Q8N485	S175	QLLHWNGSLKALRET	62 / 8 AA	32
Phosphosite 11:	C4orf23	Q8IYL2	S635	TRSSRNGSLKTWNGG	85 / 7 AA	85
Phosphosite 12:	HRNR	Q86YZ3	S147	YSRNVRGSLKPGTES	77 / 9 AA	282
Phosphosite 13:	TP53TG5	Q9Y2B4	S167	PRTSRDDSLNPGVQG	55 / 9 AA	34
Phosphosite 14:	TNKS1BP1	Q9C0C2	S1383	PGLRHNGSLSPGLEA	75 / 8 AA	182
Phosphosite 15:	CORO1C	Q9ULV4	S187	VSWNRNGSLICTASK	100 / 6 AA	53
Phosphosite 16:	THSD7B	Q9C0I4	S356	SKTCRSGSLLPGFRS	75 / 8 AA	179
Phosphosite 17:	NOTCH1	P46531	S2148	SPNGYLGSLKPGVQG	100 / 6 AA	273
Phosphosite 18:	ZDHHC8	Q9ULC8	S476	ALPNRNGSLSYDSLL	100 / 6 AA	81
Phosphosite 19:	TAO1	Q7L7X3	S9	PSTNRAGSLKDPEIA	85 / 7 AA	116
Phosphosite 20:	LCORL	Q8N3X6	S186	TQENRNGSIGPSIVC	75 / 8 AA	67