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:	IGSF21
Human P-Site:	T308
P-Site Sequence:	VRALLTWTLNPQIDN
UniProt:	Q96ID5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGSF21	Q96ID5	T308	VRALLTWTLNPQIDN	100 / 9 AA	52
Phosphosite 1:	CCDC108	Q6ZU64	S811	DCKLLTFSLAPQRGS	66 / 9 AA	217
Phosphosite 2:	CCBL2	Q6YP21	T194	RWSSSDWTLDPQELE	83 / 6 AA	51
Phosphosite 3:	CTXN1	P60606	T6	__MSATWTLSPEPLP	71 / 7 AA	9
Phosphosite 4:	FOXD3	Q9UJU5	T216	PGKGNYWTLDPQSED	83 / 6 AA	48
Phosphosite 5:	NPHP1	O15259	S439	KPKTWTFSPQVTRIL	71 / 7 AA	83
Phosphosite 6:	NPHP1	O15259	T437	PKKPKTWTFSPQVTR	71 / 7 AA	83
Phosphosite 7:	DST	Q03001	T2480	RSPLLRWTQEPQPLE	66 / 9 AA	372
Phosphosite 8:	CTXN1	P60606	S8	MSATWTLSPEPLPPS	71 / 7 AA	9
Phosphosite 9:	SDAD1	Q9NVU7	T441	TLIHLFRTLNPQMLQ	75 / 8 AA	80
Phosphosite 10:	TUBGCP3	Q96CW5	T371	LRRLLVWTYDPKIRL	55 / 9 AA	104
Phosphosite 11:	USP10	Q14694	T82	PSYSISSTLNPQAPE	62 / 8 AA	87
Phosphosite 12:	PKD1L2	Q7Z442	S1242	ELPTWILSPQDLRFG	71 / 7 AA	273
Phosphosite 13:	SCUBE2	Q9NQ36	T838	ANTECTWTINPPPKR	71 / 7 AA	110
Phosphosite 14:	CCDC108	Q6ZU64	T945	ERLTLTWTFSPLEET	71 / 7 AA	217
Phosphosite 15:	NARS	O43776	T525	LGLERFLTWILNRYH	71 / 7 AA	63
Phosphosite 16:	KIAA1467	A2RU67	T246	TSGKAIWTLNPNYLS	100 / 5 AA	67
Phosphosite 17:	FAM96A	Q9H5X1	S9	QRVSGLLSWTLSRVL	71 / 7 AA	18
Phosphosite 18:	HMCN1	Q96RW7	T4294	PLPKLTWTFNNNIIP	83 / 6 AA	613
Phosphosite 19:	KIAA0100	Q14667	T300	NSQKRHLTWTLKLLQ	83 / 6 AA	254
Phosphosite 20:	ABCC5	O15440	T239	RSWSLALTWALNYRT	83 / 6 AA	161