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:	ALK1
Human P-Site:	S262
P-Site Sequence:	NILGFIASDMTSRNS
UniProt:	P37023
Intern. Prot. ID:	IPI00293271

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ALK1	P37023	S262	NILGFIASDMTSRNS	100 / 9 AA	56
Phosphosite 1:	ALK2	Q04771	S268	NILGFIASDMTSRHS	100 / 9 AA	57
Phosphosite 2:	C18orf25	Q96B23	S309	LDPGFLASDKTSGNA	77 / 9 AA	43
Phosphosite 3:	PEX19	P40855	S117	EAAGRVGSDMTSQQE	66 / 9 AA	33
Phosphosite 4:	LRRIQ2	Q8IW35	S686	NADWFIASDVAPQEK	62 / 8 AA	97
Phosphosite 5:	ALK2	Q04771	T271	GFIASDMTSRHSSTQ	100 / 6 AA	57
Phosphosite 6:	TLN2	Q9Y4G6	S1888	EELGGLASQMTSDYG	66 / 9 AA	272
Phosphosite 7:	ALK1	P37023	T265	GFIASDMTSRNSSTQ	100 / 6 AA	56
Phosphosite 8:	CCDC52	Q8N0Z3	S710	LNKQESASDMTSTFP	100 / 6 AA	96
Phosphosite 9:	CYB5R1	Q9UHQ9	T258	AYSKGFVTADMIREH	57 / 7 AA	34
Phosphosite 10:	Casp1	P29466	S209	VKKNLTASDMTTELE	55 / 9 AA	45
Phosphosite 11:	CYB5R2	Q6BCY4	T229	KYSSGFVTADMIKEH	57 / 7 AA	31
Phosphosite 12:	DCAF4L1	Q3SXM0	S288	EEQCLMASDMTGKIK	71 / 7 AA	44
Phosphosite 13:	ERP29	P30040	S219	QGEDFPASEMTRIAR	55 / 9 AA	29
Phosphosite 14:	ZNF221	Q9UK13	S131	QIWEQIASDLTRSQN	71 / 7 AA	71
Phosphosite 15:	ZNF222	Q9UK12	S78	QIWEQIASDLTRSQD	71 / 7 AA	52
Phosphosite 16:	ZNF224	Q9NZL3	S109	QIWEKIASDLTRSQD	71 / 7 AA	82
Phosphosite 17:	IRS1	P35568	S428	SDGGFISSDEYGSSP	83 / 6 AA	132
Phosphosite 18:	IRS1	P35568	S427	PSDGGFISSDEYGSS	83 / 6 AA	132
Phosphosite 19:	ZNF223	Q9UK11	S109	QIWEEIASDLTRPQD	71 / 7 AA	56
Phosphosite 20:	MDC1	Q14676	S329	QPFGFIDSDTDAEEE	83 / 6 AA	227