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:	GREB1
Human P-Site:	Y421
P-Site Sequence:	SQSVSRAYEQYGASA
UniProt:	Q4ZG55
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GREB1	Q4ZG55	Y421	SQSVSRAYEQYGASA	100 / 9 AA	216
Phosphosite 1:	CLASP1	Q7Z460	Y816	KKPVRRRYEPYGMYS	66 / 9 AA	169
Phosphosite 2:	GREB1	Q4ZG55	Y424	VSRAYEQYGASAIQP	100 / 6 AA	216
Phosphosite 3:	SLC38A3	Q99624	Y129	GVVGIRAYEQLGYRA	85 / 7 AA	56
Phosphosite 4:	SLC38A5	Q8WUX1	Y111	GIAGIRAYEQLGQRA	85 / 7 AA	51
Phosphosite 5:	ZNF507	Q8TCN5	Y242	GRRKWYAYEQYGMYR	100 / 6 AA	106
Phosphosite 6:	GREB1	Q4ZG55	S418	YQNSQSVSRAYEQYG	100 / 6 AA	216
Phosphosite 7:	LOC374569	Q86U10	Y104	AQTIKRHYEQYHGFV	62 / 8 AA	60
Phosphosite 8:	XYLB	O75191	Y168	CLTGSRAYERFTGNQ	71 / 7 AA	58
Phosphosite 9:	PDK1	Q15118	Y365	GLPISRLYAQYFQGD	62 / 8 AA	49
Phosphosite 10:	LRRC16A	Q5VZK9	S933	SRMLRPVSRAFEMEF	83 / 6 AA	152
Phosphosite 11:	JMJD1B	Q7LBC6	Y1663	QTLRKRLYEEYGVQG	71 / 7 AA	192
Phosphosite 12:	BCKDK	O14874	Y376	GLPTSRAYAEYLGGS	62 / 8 AA	46
Phosphosite 13:	CCDC64	Q6ZP65	Y112	NQDMSRQYEQMHKEL	71 / 7 AA	55
Phosphosite 14:	TMEM184B	Q9Y519	Y361	IHNFSPAYQQYTQQS	71 / 7 AA	46
Phosphosite 15:	ADFP	Q99541	Y232	TKLHSRAYQQALSRV	83 / 6 AA	48
Phosphosite 16:	KHDRBS2	Q5VWX1	Y267	PPPAHEAYEEYGYDD	83 / 6 AA	39
Phosphosite 17:	ANGPT1	Q15389	Y386	DWEGNRAYSQYDRFH	62 / 8 AA	57
Phosphosite 18:	ACTR3B	Q9P1U1	Y400	VCHTKKDYEEYGPSI	44 / 9 AA	48
Phosphosite 19:	TRRAP	Q9Y4A5	Y2780	ETATAIAYEQHGFFE	55 / 9 AA	438
Phosphosite 20:	KHDRBS2	Q5VWX1	Y270	AHEAYEEYGYDDGYG	83 / 6 AA	39