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:	XKR4
Human P-Site:	S548
P-Site Sequence:	VATSTLRSISNNRSV
UniProt:	Q5GH76
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XKR4	Q5GH76	S548	VATSTLRSISNNRSV	100 / 9 AA	72
Phosphosite 1:	XKR4	Q5GH76	S550	TSTLRSISNNRSVVS	100 / 7 AA	72
Phosphosite 2:	Grb14	Q14449	S370	QSISPMRSISENSLV	66 / 9 AA	61
Phosphosite 3:	MCR	P08235	S591	VSSSTLRSVSTGSSR	66 / 9 AA	107
Phosphosite 4:	XKR4	Q5GH76	T545	PPDVATSTLRSISNN	100 / 6 AA	72
Phosphosite 5:	MTMR14	Q8NCE2	S644	ARGVGLRSISSNAL_	85 / 7 AA	72
Phosphosite 6:	ANKRD34B	A5PLL1	T354	NQTIFASTLRSIVQK	100 / 6 AA	56
Phosphosite 7:	MAD1L1	Q9Y6D9	S16	MVLSTLRSLNNFISQ	75 / 8 AA	83
Phosphosite 8:	C5orf36	Q8IV33	S845	PLKTTLRSIEDQPSA	62 / 8 AA	38
Phosphosite 9:	Myc	P01106	S337	VRVLRQISNNRKCTS	85 / 7 AA	49
Phosphosite 10:	FLJ32810	A6NI28	S353	ASASSLRSISAAEGN	85 / 7 AA	89
Phosphosite 11:	WWTR1	Q9GZV5	S290	TMTPDMRSITNNSSD	71 / 7 AA	44
Phosphosite 12:	TNRC6B	Q9UPQ9	T1666	IDGSTLRTICMQHGP	71 / 7 AA	194
Phosphosite 13:	WWTR1	Q9GZV5	T292	TPDMRSITNNSSDPF	71 / 7 AA	44
Phosphosite 14:	POT1	Q9NUX5	S511	KQCSSLRSIQNLNSL	75 / 8 AA	71
Phosphosite 15:	REEP4	Q9H6H4	S160	MQDLRSISDAPAPAY	83 / 6 AA	29
Phosphosite 16:	REEP4	Q9H6H4	S158	FSMQDLRSISDAPAP	83 / 6 AA	29
Phosphosite 17:	PAXIP1	Q6ZW49	T308	VRTLRNITNNADIQQ	71 / 7 AA	118
Phosphosite 18:	OTOF	Q9HC10	S521	FIDLRKISNDGDKGF	71 / 7 AA	227
Phosphosite 19:	COG2	Q14746	S467	ELSLRPISNESPKEI	71 / 7 AA	83
Phosphosite 20:	FBXO39	Q8N4B4	T250	NLCENASTLRTINIK	83 / 6 AA	53