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:	SOX21
Human P-Site:	T50
P-Site Sequence:	GAEWKLLTESEKRPF
UniProt:	Q9Y651
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SOX21	Q9Y651	T50	GAEWKLLTESEKRPF	100 / 9 AA	29
Phosphosite 1:	SOX3	P41225	T181	GADWKLLTDAEKRPF	77 / 9 AA	45
Phosphosite 2:	SOX8	P57073	S144	GKLWRLLSESEKRPF	77 / 9 AA	47
Phosphosite 3:	SOX14	O95416	S50	GAEWKLLSEAEKRPY	77 / 9 AA	26
Phosphosite 4:	SOX2	P48431	S83	GAEWKLLSETEKRPF	77 / 9 AA	34
Phosphosite 5:	CEP350	Q5VT06	T2153	AKNWKSLTESERSRG	77 / 9 AA	351
Phosphosite 6:	NDUFS1	P28331	T104	MKGWNILTNSEKSKK	66 / 9 AA	79
Phosphosite 7:	UBTF	P17480	S336	SQQWKLLSQKEKDAY	66 / 9 AA	89
Phosphosite 8:	TFAM	Q00059	S193	KENWKNLSDSEKELY	66 / 9 AA	29
Phosphosite 9:	SOX1	O00570	S93	GAEWKVMSEAEKRPF	55 / 9 AA	39
Phosphosite 10:	ZNF25	P17030	T26	KEEWKLLTPAQRTLY	55 / 9 AA	54
Phosphosite 11:	Adrenergic receptor-alpha1B	P35368	T480	LFTFKLLTEPESPGT	75 / 8 AA	57
Phosphosite 12:	RALGPS2	Q86X27	S541	DLFLLTDSEKGNSYK	85 / 7 AA	65
Phosphosite 13:	RYR2	Q92736	S2762	MKPYKLLSEKEKEIY	66 / 9 AA	565
Phosphosite 14:	RALGPS2	Q86X27	T539	HPDLFLLTDSEKGNS	85 / 7 AA	65
Phosphosite 15:	PYGB	P11216	T6	__MAKPLTDSEKRKQ	75 / 8 AA	97
Phosphosite 16:	SEMA4B	Q9NPR2	T796	PPGSRVFTESEKRPL	55 / 9 AA	92
Phosphosite 17:	PMS1	P54277	S613	EELWKTLSEEEKLKY	66 / 9 AA	106
Phosphosite 18:	ZC3H12A	Q5D1E8	T369	SQSSSLLTESEQCSL	66 / 9 AA	66
Phosphosite 19:	SOX8	P57073	S146	LWRLLSESEKRPFVE	85 / 7 AA	47
Phosphosite 20:	TTN	Q8WZ42	S6673	KDGKLLTSSQKHKFS	75 / 8 AA	3816