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:	RPP21
Human P-Site:	S56
P-Site Sequence:	LVLRRDPSVKRTLCR
UniProt:	Q9H633
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RPP21	Q9H633	S56	LVLRRDPSVKRTLCR	100 / 9 AA	18
Phosphosite 1:	PKP2	Q99959	S744	MLHVGDPSVKKTAIS	85 / 7 AA	97
Phosphosite 2:	USP54	Q70EL1	S690	SNVYRDPSAKRSAGL	75 / 8 AA	187
Phosphosite 3:	C1orf113	A4FU49	S233	SSPVKAPSVKRTPMP	75 / 8 AA	71
Phosphosite 4:	FEM1A	Q9BSK4	S108	SLLRRGASVNRTTRT	66 / 9 AA	74
Phosphosite 5:	C6orf186	Q5JXM2	S211	EVHRFDPSVKSAHIL	66 / 9 AA	41
Phosphosite 6:	HECTD1	Q9ULT8	T2107	LQNRREATVERTRTT	55 / 9 AA	290
Phosphosite 7:	AHDC1	Q5TGY3	S70	PPPRRDPSTRRPPVL	75 / 8 AA	168
Phosphosite 8:	IFT81	Q8WYA0	S377	ASLEREASVKRNQTR	62 / 8 AA	80
Phosphosite 9:	ABR	Q12979	S632	KFTSRDMSLKRTPSK	75 / 8 AA	98
Phosphosite 10:	SMC1B	Q8NDV3	S250	EHVNRDLSVKRESLS	85 / 7 AA	144
Phosphosite 11:	PXDNL	A1KZ92	S914	SQALRDPSVPRGLLK	85 / 7 AA	164
Phosphosite 12:	Zfp827	Q17R98	S648	SVLRRDVSVKAASEL	85 / 7 AA	119
Phosphosite 13:	PIAS1	O75925	S476	DEEEEEPSAKRTCPS	71 / 7 AA	72
Phosphosite 14:	ABCA9	Q8IUA7	S1613	LEEDFDPSVKWKLLL	83 / 6 AA	184
Phosphosite 15:	ABCA8	O94911	S1570	FEEDFDPSVKWKLLP	83 / 6 AA	179
Phosphosite 16:	ACACA	Q13085	S752	FEKENDPSVMRSPSA	71 / 7 AA	266
Phosphosite 17:	YEATS2	Q9ULM3	S246	RGSRREPSINHFVKK	50 / 8 AA	151
Phosphosite 18:	YIPF2	Q9BWQ6	S152	LAQRRDPSIHYSPQF	83 / 6 AA	35
Phosphosite 19:	TP53BP2	Q13625	S100	GPRSQDPSLKRNGVK	62 / 8 AA	126
Phosphosite 20:	C22orf31	O95567	S11	INVRRDPSIPIYGLR	83 / 6 AA	33