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:	PAP21
Human P-Site:	Y60
P-Site Sequence:	GGIFHTRYEQIHLVP
UniProt:	Q9BSG0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PAP21	Q9BSG0	Y60	GGIFHTRYEQIHLVP	100 / 9 AA	21
Phosphosite 1:	TTN	Q8WZ42	Y1891	SKRFRVRYDGIHYLD	55 / 9 AA	3816
Phosphosite 2:	C21orf74	Q8TCZ7	S46	ACFSFHSSYERIGPD	62 / 8 AA	6
Phosphosite 3:	ZNF618	Q5T7W0	Y708	LLLVHERYEQICEFY	85 / 7 AA	105
Phosphosite 4:	C21orf74	Q8TCZ7	Y47	CFSFHSSYERIGPDA	62 / 8 AA	6
Phosphosite 5:	ARRDC5	A6NEK1	Y279	GEIMHTRYELVTTVH	62 / 8 AA	37
Phosphosite 6:	PIK3C2A	O00443	Y1027	DVQFSTRYEHVLGAL	62 / 8 AA	191
Phosphosite 7:	TBC1D8B	Q0IIM8	Y758	EKYGNIRYEDIHSMR	62 / 8 AA	129
Phosphosite 8:	LIPT1	Q9Y234	Y289	NTSFHVLYEQSHLEI	66 / 9 AA	42
Phosphosite 9:	FAM5C	Q76B58	Y355	DSNFQRRYEQLENSM	62 / 8 AA	88
Phosphosite 10:	ENSP00000375192	Q8WTZ3	Y45	WSSTHTKYKRIHTED	62 / 8 AA	27
Phosphosite 11:	C4orf45	Q96LM5	Y100	GSGFHIKYEELSQAS	50 / 8 AA	22
Phosphosite 12:	TLL1	O43897	Y1000	KKGFHIRYKSIRYPD	55 / 9 AA	115
Phosphosite 13:	ARRDC5	A6NEK1	T277	QDGEIMHTRYELVTT	83 / 6 AA	37
Phosphosite 14:	PAK2	Q13177	Y252	PKKKYTRYEKIGQGA	71 / 7 AA	58
Phosphosite 15:	SLTM	Q9NWH9	Y576	RPSRRGRYEKIHGRS	62 / 8 AA	117
Phosphosite 16:	LAMA4	Q16363	Y1324	SSVSPTRYELIVDKS	71 / 7 AA	203
Phosphosite 17:	DDX50	Q9BQ39	Y345	KKYMKSRYEQVDLVG	44 / 9 AA	83
Phosphosite 18:	MIXL1	Q9H2W2	Y110	LVFRRTRYPDIHLRE	62 / 8 AA	25
Phosphosite 19:	TRIT1	Q9H3H1	Y263	LRDFHRRYNQKNVSE	55 / 9 AA	53
Phosphosite 20:	C5orf48	Q6ZNM6	Y30	LYKSANKYEEIHLPR	57 / 7 AA	15