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:	S604
P-Site Sequence:	PYERFTNSETAEHIA
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	S604	PYERFTNSETAEHIA	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	T602	KMPYERFTNSETAEH	100 / 7 AA	76
Phosphosite 2:	TOR1AIP2	Q8NFQ8	S429	LWAKFTNSDTPTSFN	62 / 8 AA	51
Phosphosite 3:	MUC3A	Q02505	S1684	ITSHFTTSETAVTPT	75 / 8 AA	266
Phosphosite 4:	TOR1AIP2	Q8NFQ8	T427	DLLWAKFTNSDTPTS	71 / 7 AA	51
Phosphosite 5:	CASR	P41180	S387	SGDRFSNSSTAFRPL	75 / 8 AA	121
Phosphosite 6:	ZNF518B	Q9C0D4	S457	NGKSFINSETIEDFQ	75 / 8 AA	120
Phosphosite 7:	FAM49B	Q9NUQ9	T245	PEYRSRFTNEETVSF	85 / 7 AA	37
Phosphosite 8:	CCDC22	O60826	T294	APKGSRFTHSEKFTF	83 / 6 AA	71
Phosphosite 9:	DOCK9	Q9BZ29	S1799	AQYQFTDSETDVEGF	71 / 7 AA	236
Phosphosite 10:	TOR1AIP1	Q5JTV8	S543	LKVKFTNSNTPNSYN	55 / 9 AA	66
Phosphosite 11:	CCDC22	O60826	S296	KGSRFTHSEKFTFHL	83 / 6 AA	71
Phosphosite 12:	Putative UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase LOC402377	A8MXE2	S311	YKFIFTSSEIADPEM	62 / 8 AA	43
Phosphosite 13:	SMCY	Q9BY66	S799	RERRFPNSELLQRLK	55 / 9 AA	174
Phosphosite 14:	SmcX	P41229	S809	RERRFPNSELLQQLK	55 / 9 AA	176
Phosphosite 15:	TIGD2	Q4W5G0	S447	SCQVLTDSESAEDQT	62 / 8 AA	60
Phosphosite 16:	UQCRC1	P31930	T271	TLTPCRFTGSEIRHR	71 / 7 AA	53
Phosphosite 17:	SRRP35	Q8WXF0	S234	SPKGYTNSETKVQTA	83 / 6 AA	31
Phosphosite 18:	TMEM66	Q96BY9	S220	RYQRFTNSAGPPPPG	83 / 6 AA	37
Phosphosite 19:	TOR1AIP1	Q5JTV8	T541	DFLKVKFTNSNTPNS	71 / 7 AA	66
Phosphosite 20:	LONRF2	Q1L5Z9	S432	SPQRSPNSETEESQG	66 / 9 AA	84