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:	PRPF38B
Human P-Site:	S497
P-Site Sequence:	HSPSKEKSRKRSRSK
UniProt:	Q5VTL8
Intern. Prot. ID:	IPI00018098

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF38B	Q5VTL8	S497	HSPSKEKSRKRSRSK	100 / 9 AA	64
Phosphosite 1:	SFRS4	Q08170	S255	RSPSKEKSRSRSHSA	88 / 9 AA	57
Phosphosite 2:	MATR3	P43243	S592	DLLKKDKSRKRSYSP	87 / 8 AA	95
Phosphosite 3:	PRPF38B	Q5VTL8	S467	KNESKEKSNKRSRSG	88 / 9 AA	64
Phosphosite 4:	ZFAND3	Q9H8U3	S153	TSRSKQKSRRRCFQC	66 / 9 AA	25
Phosphosite 5:	CLVS2	Q5SYC1	T222	RPFLKEKTRKRIFLH	85 / 7 AA	38
Phosphosite 6:	GZMH	P20718	S45	VQFLQEKSRKRCGGI	85 / 7 AA	27
Phosphosite 7:	PLXNC1	O60486	S974	RHKSKELSRKQSQQL	77 / 9 AA	176
Phosphosite 8:	PRPF38B	Q5VTL8	S507	RSRSKERSHKRDHSD	75 / 8 AA	64
Phosphosite 9:	PRPF4B	Q13523	T192	KSRSKERTRHRSDKK	66 / 9 AA	117
Phosphosite 10:	MAGI3	Q5TCQ9	S1374	KQNQLEKSRTRSPEK	85 / 7 AA	166
Phosphosite 11:	CHD4	Q14839	S595	FGGDEEKSRKRKNKD	100 / 6 AA	218
Phosphosite 12:	RBM25	P49756	S388	RSRSREKSRDRERSE	75 / 8 AA	100
Phosphosite 13:	PDE9A	O76083	S578	TSGATEKSRERSRDV	66 / 9 AA	68
Phosphosite 14:	SRRM1	Q8IYB3	T274	KEKEKEKTRPRSRSR	75 / 8 AA	102
Phosphosite 15:	MAGI3	Q5TCQ9	T1376	NQLEKSRTRSPEKKI	85 / 7 AA	166
Phosphosite 16:	TTN	Q8WZ42	S33158	FMSKEEKSRKKSRRQ	85 / 7 AA	3816
Phosphosite 17:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	T119	LIDCNEKTRKKSQKE	55 / 9 AA	74
Phosphosite 18:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	T119	IIDCNEKTRKKSQKE	55 / 9 AA	124
Phosphosite 19:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	T119	IIDCNEKTRKKSQKE	55 / 9 AA	74
Phosphosite 20:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	T119	IIDCNEKTRKKSQKE	55 / 9 AA	74