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:	C4orf21
Human P-Site:	S237
P-Site Sequence:	NEPVKRDSLASHYSG
UniProt:	Q86YA3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf21	Q86YA3	S237	NEPVKRDSLASHYSG	100 / 9 AA	119
Phosphosite 1:	C3	P01024	S179	GIPVKQDSLSSQNQL	66 / 9 AA	187
Phosphosite 2:	SMC1B	Q8NDV3	S255	DLSVKRESLSHHENI	66 / 9 AA	144
Phosphosite 3:	ZNF650	Q6ZT12	S1015	APEVKRDSPASTSSD	87 / 8 AA	84
Phosphosite 4:	ZRANB3	Q5FWF4	S1063	RSQVRRQSLASKHGS	75 / 8 AA	123
Phosphosite 5:	TNKS1BP1	Q9C0C2	S872	QEFGKRDSLGTYSSR	62 / 8 AA	182
Phosphosite 6:	KLC3	Q6P597	S173	ESPPRRDSLASLFPS	85 / 7 AA	55
Phosphosite 7:	NID2	Q14112	S403	PPEVDRDSLAPSWET	75 / 8 AA	151
Phosphosite 8:	RFC1	P35251	S537	RPTSKRDSLAKTIKK	100 / 6 AA	128
Phosphosite 9:	SGK269	Q9H792	S1478	VADFVRDSLAQHGKS	85 / 7 AA	193
Phosphosite 10:	SLFNL1	Q499Z3	T104	QVTVHRDTLASLPWR	75 / 8 AA	46
Phosphosite 11:	CDK1	P06493	S248	FPKWKPGSLASHVKN	75 / 8 AA	34
Phosphosite 12:	TNKS1BP1	Q9C0C2	S893	WEFGKRDSLGAYASQ	62 / 8 AA	182
Phosphosite 13:	RASA4	O43374	T93	KVCLTRDTIASHPKG	55 / 9 AA	90
Phosphosite 14:	LRRC28	Q86X40	S52	RLYMKRNSLTSLPEN	62 / 8 AA	42
Phosphosite 15:	C4orf21	Q86YA3	S240	VKRDSLASHYSGVSQ	100 / 6 AA	119
Phosphosite 16:	GLIS3	Q8NEA6	S51	RSLISRESLASTTLS	62 / 8 AA	84
Phosphosite 17:	SPEN	Q96T58	S1364	NSIIKRDSLRKRSVR	83 / 6 AA	402
Phosphosite 18:	STOX2	Q9P2F5	S866	NSPRTRESLASNTSS	71 / 7 AA	103
Phosphosite 19:	SHROOM4	Q9ULL8	S282	QPPVRRDSLQASRAQ	83 / 6 AA	166
Phosphosite 20:	ROCK2	O75116	S910	ELQDERDSLAAQLEI	71 / 7 AA	161