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:	PRPF18
Human P-Site:	T222
P-Site Sequence:	QGKLNSATQKQTESY
UniProt:	Q99633
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF18	Q99633	T222	QGKLNSATQKQTESY	100 / 9 AA	40
Phosphosite 1:	PRPF18	Q99633	S220	SVQGKLNSATQKQTE	100 / 7 AA	40
Phosphosite 2:	CD55	P08174	S108	PTRLNSASLKQPYIT	75 / 8 AA	41
Phosphosite 3:	REM1	O75628	T56	SASLNPPTQKPSPAP	55 / 9 AA	33
Phosphosite 4:	Putative protein FAM86C-like 1	A6NNG1	T126	TWPLSSATQRRASCS	55 / 9 AA	19
Phosphosite 5:	PARP3	Q9Y6F1	T189	PCSLDPATQKLITNI	71 / 7 AA	60
Phosphosite 6:	FYB	O15117	T341	KGDKNSATPKQKPLP	85 / 7 AA	85
Phosphosite 7:	MPHOSPH9	Q99550	S801	QKRLNSASQRSSSLP	71 / 7 AA	116
Phosphosite 8:	MPHOSPH9	Q99550	S799	QRQKRLNSASQRSSS	71 / 7 AA	116
Phosphosite 9:	Putative protein FAM86C-like 1	A6NNG1	S124	KSTWPLSSATQRRAS	71 / 7 AA	19
Phosphosite 10:	SF3B3	Q15393	S1086	RGLLNGASQKAEVIM	71 / 7 AA	136
Phosphosite 11:	PCM1	Q15154	S1885	EDEQPLNSAAHKESP	71 / 7 AA	228
Phosphosite 12:	ERC1	Q8IUD2	T297	EMELRIETQKQTLNA	66 / 9 AA	128
Phosphosite 13:	DDOST	P39656	S271	FSDSFFNSAVQKAAP	71 / 7 AA	51
Phosphosite 14:	ERC2	O15083	T293	EMELRIETQKQTLNA	66 / 9 AA	111
Phosphosite 15:	DNAJA5	Q5F1R6	T519	SSSLNSATSSQSKKE	66 / 9 AA	62
Phosphosite 16:	C14orf148	Q6NXP6	T73	IGSLNSATPEEFKVG	62 / 8 AA	40
Phosphosite 17:	CCDC28A	Q8IWP9	S255	SDLEELNSSIQKLHL	71 / 7 AA	30
Phosphosite 18:	SOAT1	P35610	S281	NVPRVLNSAKEKSST	71 / 7 AA	65
Phosphosite 19:	MDC1	Q14676	S1057	QKPLNSQSQKHLAPP	62 / 8 AA	227
Phosphosite 20:	NCOA4	Q13772	T229	TDPQDWLTQKQTLEN	62 / 8 AA	70