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:	SUSD3
Human P-Site:	S140
P-Site Sequence:	KKSKRRRSNRSAQLW
UniProt:	Q96L08
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SUSD3	Q96L08	S140	KKSKRRRSNRSAQLW	100 / 9 AA	27
Phosphosite 1:	BTBD7	Q9P203	S76	KFIKRRKSNRSADHA	88 / 9 AA	126
Phosphosite 2:	CALCR	P30988	S438	QRWGRRPSNRSARAA	87 / 8 AA	57
Phosphosite 3:	AlphaK1	Q96L96	S855	QESKRPQSDRSAQKG	66 / 9 AA	201
Phosphosite 4:	ZNF653	Q96CK0	S452	EPEKRRRSKRSRVMD	87 / 8 AA	67
Phosphosite 5:	SNRNP70	P08621	S357	RDRERRRSHRSERER	75 / 8 AA	52
Phosphosite 6:	UBE2O	Q9C0C9	S1240	KPKKRRKSYRSFLPE	75 / 8 AA	141
Phosphosite 7:	EMSY	Q7Z589	T207	KPRKRRRTNSSSSSP	66 / 9 AA	141
Phosphosite 8:	SFRS18	Q8TF01	S597	KIRDRRRSNRNSIER	75 / 8 AA	93
Phosphosite 9:	NRK1	Q9NWW6	S130	EECKRRRSTRVYQPP	85 / 7 AA	23
Phosphosite 10:	SUSD3	Q96L08	S143	KRRRSNRSAQLWSQL	100 / 6 AA	27
Phosphosite 11:	BAG1	Q99933	T81	KKTRRRSTRSEELTR	75 / 8 AA	39
Phosphosite 12:	CDV3	Q9UKY7	S25	KKKKKERSNRAASAA	66 / 9 AA	27
Phosphosite 13:	BAG1	Q99933	S80	KKKTRRRSTRSEELT	75 / 8 AA	39
Phosphosite 14:	CHD-2	O14647	S112	DVYGVRRSNRSRQEP	100 / 6 AA	211
Phosphosite 15:	PHF13	Q86YI8	S287	SKFDIRRSNRSRTGS	100 / 6 AA	34
Phosphosite 16:	SRRM2	Q9UQ35	S1691	TPPRRRSSRSSPELT	75 / 8 AA	300
Phosphosite 17:	SRRM2	Q9UQ35	S1690	RTPPRRRSSRSSPEL	75 / 8 AA	300
Phosphosite 18:	SENP2	Q9HC62	S32	ALLKRRRSDSTLFST	83 / 6 AA	68
Phosphosite 19:	ZFP91	Q96JP5	S82	EYPRRRRSSPSARPP	66 / 9 AA	63
Phosphosite 20:	SPSB4	Q96A44	S244	LMDLCRRSIRSALGR	85 / 7 AA	30