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:	S271
P-Site Sequence:	HCHPQPLSAELIPAS
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	S271	HCHPQPLSAELIPAS	100 / 9 AA	79
Phosphosite 1:	Sos1	Q07889	S671	ENGDQPLSAELKRFR	100 / 7 AA	152
Phosphosite 2:	ZNF638	Q14966	S339	MNQQPFSSELISSVS	75 / 8 AA	221
Phosphosite 3:	ZNF638	Q14966	S338	SMNQQPFSSELISSV	75 / 8 AA	221
Phosphosite 4:	AADACL2	Q6P093	S75	LDYTQPLSDEYITVT	75 / 8 AA	46
Phosphosite 5:	PLCB3	Q01970	S324	TDMTQPLSAYFINSS	75 / 8 AA	139
Phosphosite 6:	C10orf38	Q5VUB5	S639	QIQPQPLSSQAISQQ	66 / 9 AA	98
Phosphosite 7:	NEK4	P51957	S312	VIHPQPLSSEGSQTY	85 / 7 AA	95
Phosphosite 8:	PNKD	Q8N490	S57	KEEPEPLSPELEYIP	75 / 8 AA	43
Phosphosite 9:	FAM186B	Q8IYM0	S194	PSHPQPLSPEQMLQD	66 / 9 AA	104
Phosphosite 10:	C1orf9	Q9UBS9	S682	VSVLQPLSGELENTN	85 / 7 AA	139
Phosphosite 11:	MLL2	O14686	S2156	PLTPRPLSAEAFCPS	85 / 7 AA	564
Phosphosite 12:	CTSB	P07858	S27	RPSFHPLSDELVNYV	62 / 8 AA	38
Phosphosite 13:	PHF20L1	A8MW92	S375	KPPKSPLSPELIQVE	85 / 7 AA	62
Phosphosite 14:	POLE2	P56282	S58	AVEKQPLSSNMIERS	62 / 8 AA	60
Phosphosite 15:	UNC119	Q13432	S200	IYDFPPLSEELISEM	85 / 7 AA	27
Phosphosite 16:	RPAP1	Q9BWH6	S718	THPPQPLSMQRIASL	66 / 9 AA	153
Phosphosite 17:	GCKR	Q14397	S549	IHFPQPLSDDIRAAP	62 / 8 AA	69
Phosphosite 18:	KIAA1671	Q9BY89	S508	TFQARPLSADLTKLF	55 / 9 AA	197
Phosphosite 19:	POLE2	P56282	S59	VEKQPLSSNMIERSV	62 / 8 AA	60
Phosphosite 20:	ORC1L	Q13415	S169	EKKFRPLSSELFAEL	62 / 8 AA	97