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:	IGSF21
Human P-Site:	T50
P-Site Sequence:	TLKCNFKTDGRMREI
UniProt:	Q96ID5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGSF21	Q96ID5	T50	TLKCNFKTDGRMREI	100 / 9 AA	52
Phosphosite 1:	MYCBP2	O75592	S2762	NTLQTLKSDGRMPSS	71 / 7 AA	510
Phosphosite 2:	GIMAP8	Q8ND71	T206	PYHVNFKTEGSRFQD	71 / 7 AA	75
Phosphosite 3:	RAB4A	P20338	T104	NALTNWLTDARMLAS	62 / 8 AA	24
Phosphosite 4:	ARFGEF1	Q9Y6D6	T517	TLLSNFKTHLKMQIE	55 / 9 AA	209
Phosphosite 5:	FIP1L1	Q6UN15	T124	PVNLNIKTGGRVYGT	62 / 8 AA	67
Phosphosite 6:	ARAP3	Q8WWN8	T1066	FAPSVFQTDGRGEHE	83 / 6 AA	170
Phosphosite 7:	PCSK5	Q92824	T584	SQLRNFKTPGKLKEW	62 / 8 AA	102
Phosphosite 8:	RIMKLB	Q9ULI2	T222	GTMLRCSTDGRMQSN	100 / 5 AA	42
Phosphosite 9:	RIMKLA	Q8IXN7	T218	GSMLRCSTDGRMQSN	100 / 5 AA	43
Phosphosite 10:	UPF2	Q9HAU5	T1267	NADLIFKTGGRRR__	83 / 6 AA	148
Phosphosite 11:	SCRT1	Q9BWW7	T120	AADAFFITDGRSRRK	83 / 6 AA	36
Phosphosite 12:	H3 iso2	Q71DI3	T81	EIAQDFKTDLRFQSS	62 / 8 AA	15
Phosphosite 13:	HIST3H3	Q16695	T81	EIAQDFKTDLRFQSS	62 / 8 AA	16
Phosphosite 14:	H3F3A	P84243	T81	EIAQDFKTDLRFQSA	62 / 8 AA	15
Phosphosite 15:	HIST1H3A	P68431	T81	EIAQDFKTDLRFQSS	62 / 8 AA	15
Phosphosite 16:	PBK	Q96KB5	T9	EGISNFKTPSKLSEK	44 / 9 AA	36
Phosphosite 17:	MTHFD1L	Q6UB35	T804	VALNVFKTDTRAEID	83 / 6 AA	106
Phosphosite 18:	ERK3	Q16659	T448	SHTCNYKTRSSSYLD	80 / 5 AA	83
Phosphosite 19:	ERK3	Q16659	Y446	ECSHTCNYKTRSSSY	80 / 5 AA	83
Phosphosite 20:	TBXAS1	P24557	Y185	IQRCYCNYTTDVVAS	66 / 6 AA	61