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:	BTBD3
Human P-Site:	S423
P-Site Sequence:	SCGSAEYSAKIELKR
UniProt:	Q9Y2F9
Intern. Prot. ID:	IPI00941669

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	BTBD3	Q9Y2F9	S423	SCGSAEYSAKIELKR	100 / 9 AA	58
Phosphosite 1:	BTBD6	Q96KE9	S386	SSGKAEYSVKIELKR	87 / 8 AA	53
Phosphosite 2:	EZR	P15311	T425	AAELAEYTAKIALLE	85 / 7 AA	69
Phosphosite 3:	EZR	P15311	Y424	LAAELAEYTAKIALL	85 / 7 AA	69
Phosphosite 4:	CNTN1	Q12860	S865	QVTSQEYSARLENLL	66 / 9 AA	113
Phosphosite 5:	ARMC3	Q5W041	T141	ANMSAEYTSKVQIFE	55 / 9 AA	96
Phosphosite 6:	UBE2K	P61086	T163	PVSSPEYTKKIENLC	66 / 9 AA	22
Phosphosite 7:	WHSC1L1	Q9BZ95	Y1418	MAPVSPEYWSKIKCK	62 / 8 AA	162
Phosphosite 8:	LGR5	O75473	S669	RGFSVKYSAKFETKA	66 / 9 AA	100
Phosphosite 9:	SPCS3	P61009	S94	LYLSAEYSTKNNALN	85 / 7 AA	20
Phosphosite 10:	LGP2	Q96C10	Y518	QKMDQAEYQAKIRDL	85 / 7 AA	77
Phosphosite 11:	MYCBP2	O75592	Y1238	LFGGRGEYTAKIKLF	62 / 8 AA	510
Phosphosite 12:	MUC19	Q7Z5P9	S1780	TGTSAEVSGRIEPSA	66 / 9 AA	598
Phosphosite 13:	MYCBP2	O75592	T1239	FGGRGEYTAKIKLFE	62 / 8 AA	510
Phosphosite 14:	SLFN13	Q68D06	S295	SKPRVEYSTKIVEVF	62 / 8 AA	102
Phosphosite 15:	SLFN13	Q68D06	Y294	SSKPRVEYSTKIVEV	62 / 8 AA	102
Phosphosite 16:	ZNF75D	P51815	S37	SSQSKKYSTKIENLG	66 / 9 AA	59
Phosphosite 17:	SLFN13	Q68D06	T296	KPRVEYSTKIVEVFC	71 / 7 AA	102
Phosphosite 18:	SKI	P12755	S664	GRLRAKYSAQIEDLQ	66 / 9 AA	80
Phosphosite 19:	MPHOSPH9	Q99550	Y952	PQGNDFEYTAKIRTL	83 / 6 AA	116
Phosphosite 20:	KIAA1486	Q9P242	Y186	PRPHSDEYSKKIPPP	75 / 8 AA	71