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:	PPP1R15B
Human P-Site:	S258
P-Site Sequence:	QTLTPESSCLREDHC
UniProt:	Q5SWA1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PPP1R15B	Q5SWA1	S258	QTLTPESSCLREDHC	100 / 9 AA	79
Phosphosite 1:	HEXIM1	O94992	S83	TQACPESSCLREGEK	100 / 8 AA	41
Phosphosite 2:	SPEG	Q15772	S91	PAPAPEPSCLWLRRC	62 / 8 AA	354
Phosphosite 3:	TRAK1	Q9UPV9	S817	LASKPASSILREVRE	66 / 9 AA	106
Phosphosite 4:	AlphaK1	Q96L96	S965	FVQTPEGSCFPKKPG	71 / 7 AA	201
Phosphosite 5:	TBC1D16	Q8TBP0	S103	RYITPESSPVRKAPR	75 / 8 AA	86
Phosphosite 6:	TBC1D16	Q8TBP0	S102	LRYITPESSPVRKAP	75 / 8 AA	86
Phosphosite 7:	CELF4	Q9BZC1	S142	SESRGGSSCLRQPPS	71 / 7 AA	52
Phosphosite 8:	AKNAD1	Q5T1N1	S309	SLETTPESNCVEKQH	71 / 7 AA	93
Phosphosite 9:	C1orf167	Q5SNV9	S354	EPLARPSSCLRQSGL	83 / 6 AA	162
Phosphosite 10:	UPF0705	Q9H6J7	S292	VTASPEASCLPSRTP	62 / 8 AA	37
Phosphosite 11:	RABGAP1	Q9Y3P9	S228	GHDGTPESDCFAFTE	71 / 7 AA	122
Phosphosite 12:	LPHN3	Q9HAR2	S1044	TAILKPESGCLDNIK	71 / 7 AA	162
Phosphosite 13:	RAP1GDS1	P52306	S63	SLLTPQSSCKAKVAN	83 / 6 AA	66
Phosphosite 14:	LTBP2	Q14767	S1144	DECEDPQSSCLGGEC	83 / 6 AA	195
Phosphosite 15:	C12orf32	Q9BSD3	S162	PDIQTPESSSVKEEL	62 / 8 AA	27
Phosphosite 16:	CROCC	Q5TZA2	S1151	DLGKQRDSCLREAEE	100 / 5 AA	229
Phosphosite 17:	BVES	Q8NE79	S7	_MNYTESSPLRESTA	85 / 7 AA	41
Phosphosite 18:	ZNF295	Q9ULJ3	S862	NFDSEDSSCLPEDLS	71 / 7 AA	119
Phosphosite 19:	TATDN2	Q93075	S24	EGCPRKRSCLREPCD	100 / 5 AA	85
Phosphosite 20:	ZNF177	Q13360	S277	GKAFRNSSCLRVHVR	71 / 7 AA	36