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:	S995
P-Site Sequence:	IDFLQVTSPEENIST
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	S995	IDFLQVTSPEENIST	100 / 9 AA	119
Phosphosite 1:	SKT	Q5T5P2	S34	KGNLHVTSPEDAECR	75 / 8 AA	214
Phosphosite 2:	PCID2	Q5JVF3	S45	NPRLQMASPEEKCQQ	66 / 9 AA	46
Phosphosite 3:	PRMT7	Q9NVM4	S352	WYSLQRTSPEKNERV	77 / 9 AA	78
Phosphosite 4:	DCDC2	Q9UHG0	S459	RPEVKITSPEENENN	66 / 9 AA	53
Phosphosite 5:	ANK2	Q01484	S2893	IYDPQITSPYENVPS	75 / 8 AA	430
Phosphosite 6:	SOLO	Q8TER5	S1356	AYTLQATSPEIKLKW	85 / 7 AA	165
Phosphosite 7:	BRSK2	Q8IWQ3	T501	RRKLQVPTPEEMSNL	75 / 8 AA	82
Phosphosite 8:	C9orf84	Q5VXU9	S1115	TKSPQISSPQENRNQ	62 / 8 AA	165
Phosphosite 9:	GRHPR	Q9UBQ7	S272	AAGLDVTSPEPLPTN	85 / 7 AA	36
Phosphosite 10:	SLC14A1	Q13336	Y369	MPLSKVTYPEENRIF	75 / 8 AA	43
Phosphosite 11:	ABP1	P19801	S581	PKYLLFTSPQENPWG	66 / 9 AA	85
Phosphosite 12:	ZFP161	O43829	S132	SQKRDVSSPDENNGQ	62 / 8 AA	51
Phosphosite 13:	PRMT7	Q9NVM4	T351	VWYSLQRTSPEKNER	85 / 7 AA	78
Phosphosite 14:	PDAP1	Q13442	T18	KGRARQYTSPEEIDA	85 / 7 AA	21
Phosphosite 15:	PDAP1	Q13442	S19	GRARQYTSPEEIDAQ	85 / 7 AA	21
Phosphosite 16:	KIDINS220	Q9ULH0	S1662	ECSLIASSPEENWPA	66 / 9 AA	197
Phosphosite 17:	LMNB1	P20700	T65	SALQLQVTEREEVRG	75 / 8 AA	66
Phosphosite 18:	TDRD7	Q8NHU6	S536	WLRAQVISTEENKIK	75 / 8 AA	124
Phosphosite 19:	DCDC5	Q6ZRR9	T155	FGEEKQVTEPEEKQM	85 / 7 AA	73
Phosphosite 20:	ALCAM	Q13740	S476	YYSKIIISPEENVTL	71 / 7 AA	65